{"id":3323,"date":"2018-05-15T09:15:06","date_gmt":"2018-05-15T01:15:06","guid":{"rendered":"http:\/\/www.eibrakeline.com\/?p=3323"},"modified":"2019-11-17T19:58:52","modified_gmt":"2019-11-17T11:58:52","slug":"astm-a254-copper-brazed-steel-tubing","status":"publish","type":"post","link":"https:\/\/www.eibrakeline.com\/tr\/astm-a254-copper-brazed-steel-tubing\/","title":{"rendered":"ASTM A254 Bak\u0131r Lehimli \u00c7elik Boru"},"content":{"rendered":"

Bu standart, A 254 olarak belirlenmi\u015f bir isimle yay\u0131mlanm\u0131\u015ft\u0131r; ismin hemen ard\u0131ndan gelen say\u0131, ilk kabul edildi\u011fi y\u0131l\u0131 veya revizyon s\u00f6z konusuysa son revizyon y\u0131l\u0131n\u0131 g\u00f6sterir. Parantez i\u00e7indeki say\u0131, son yeniden onay y\u0131l\u0131n\u0131 ifade eder. \u00dcst indisi e ise, son revizyon veya yeniden onaydan bu yana yap\u0131lan editoryal de\u011fi\u015fikli\u011fi g\u00f6sterir.<\/em><\/p>\n

1. Kapsam<\/strong><\/h3>\n

1.1 Bu spesifikasyon, genel m\u00fchendislik uygulamalar\u0131 i\u00e7in uygun \u00e7ift duvarl\u0131, bak\u0131r lehimli \u00e7elik borular\u0131 kapsamaktad\u0131r; \u00f6zellikle otomotiv, so\u011futma ve soba end\u00fcstrilerinde yak\u0131t hatlar\u0131, fren hatlar\u0131, ya\u011f hatlar\u0131, \u0131s\u0131tma ve so\u011futma \u00fcniteleri gibi alanlarda kullan\u0131l\u0131r.
\n1.2 \u0130n\u00e7-pound birimlerinde belirtilen de\u011ferler standart olarak kabul edilmelidir.<\/p>\n

2. Referans Dok\u00fcmanlar<\/strong><\/h3>\n

2.1 ASTM Standartlar\u0131:<\/em><\/p>\n

A 370 \u00c7elik \u00dcr\u00fcnlerin Mekanik Test Y\u00f6ntemleri ve Tan\u0131mlar\u01312
\nE 30 \u00c7elik, D\u00f6kme Demir, A\u00e7\u0131k F\u0131r\u0131n Demiri ve \u0130\u015flenmi\u015f Demirin Kimyasal Analizi Y\u00f6ntemleri3
\nE 59 Kimyasal Bile\u015fimin Belirlenmesi \u0130\u00e7in \u00c7elik ve Demir Numune Alma Uygulamas\u0131<\/p>\n

2.2 Otomotiv M\u00fchendisleri Derne\u011fi Standard\u0131:<\/em><\/p>\n

J 533 Borular i\u00e7in Flan\u015flar<\/p>\n

3. Sipari\u015f Bilgileri<\/strong><\/h3>\n

3.1 Bu spesifikasyon kapsam\u0131nda malzeme sipari\u015fleri, istenen malzemeyi yeterince tan\u0131mlayabilmek i\u00e7in a\u015fa\u011f\u0131daki bilgileri i\u00e7ermelidir:<\/p>\n

\"\u015eEK\u0130L
\u015eEK\u0130L 1 Lehimli Boru, \u00c7ift Duvarl\u0131, 360 Derece Lehimli Yap\u0131<\/figcaption><\/figure>\n

3.1.1 Miktar (fit, metre),
\n3.1.2 Malzeme ad\u0131 (bak\u0131r lehimli \u00e7elik boru),
\n3.1.3 Gerekli durumlarda tip (bkz. \u015eekil 1) (normalde tip belirtilmez),
\n3.1.4 Boyut (d\u0131\u015f \u00e7ap ve duvar kal\u0131nl\u0131\u011f\u0131; normalde i\u00e7 \u00e7ap belirtilmemelidir),
\n3.1.5 Uzunluk (belirli veya rastgele),
\n3.1.6 Gerekli durumlarda i\u00e7 y\u00fczey temizli\u011fi (bkz. B\u00f6l\u00fcm 8),
\n3.1.7 Gerekli durumlarda d\u0131\u015f kaplama (bkz. B\u00f6l\u00fcm 7 ve Ek \u015eart S2) ve
\n3.1.8 \u00d6zel veya ek gereklilikler veya spesifikasyondan istisnalar.<\/p>\n

4. \u0130malat<\/strong><\/h3>\n

4.1 \u00c7elik herhangi bir i\u015flemle \u00fcretilebilir.
\n4.2 Al\u0131c\u0131 taraf\u0131ndan belirli bir eritme y\u00f6ntemi talep ediliyorsa, bu sat\u0131n alma sipari\u015finde belirtilmelidir.
\n4.3 Birincil eritme ayr\u0131 gaz \u00e7\u0131karma veya ar\u0131tma i\u015flemleri i\u00e7erebilir ve elektroslak yeniden eritme veya vakum ark yeniden eritme gibi ikincil eritmelerle devam edebilir. \u0130kincil eritme kullan\u0131l\u0131yorsa, \u0131s\u0131 tek bir birincil \u0131s\u0131dan yeniden eritilen t\u00fcm k\u00fcl\u00e7eler olarak tan\u0131mlanmal\u0131d\u0131r.
\n4.4 \u00c7elik k\u00fcl\u00e7eler halinde d\u00f6k\u00fclebilir veya \u015ferit d\u00f6k\u00fcmle \u00fcretilebilir. Farkl\u0131 cinslerdeki \u00e7elikler ard\u0131\u015f\u0131k \u015ferit d\u00f6k\u00fcmle \u00fcretildi\u011finde, ortaya \u00e7\u0131kan ge\u00e7i\u015f malzemesinin tan\u0131mlanmas\u0131 zorunludur. \u00dcretici, s\u0131n\u0131flar\u0131 kesin olarak ay\u0131ran kurulmu\u015f bir prosed\u00fcrle ge\u00e7i\u015f malzemesini uzakla\u015ft\u0131rmal\u0131d\u0131r.
\n4.5 Borular, \u00e7elik \u015feridin boru \u015feklinde b\u00fck\u00fclmesi ve daha sonra indirgen atmosferde bak\u0131r lehimlenmesiyle \u00fcretilmelidir.
\n4.6 Borular \u015eekil 1\u2019de g\u00f6sterildi\u011fi \u015fekilde in\u015fa edilmelidir.
\n4.7 Borular, \u00fcretici taraf\u0131ndan lehimlemeden sonra s\u0131zd\u0131rmazl\u0131k ve zararl\u0131 kusurlardan ar\u0131nd\u0131klar\u0131ndan emin olmak i\u00e7in uygun \u015fekilde test edilmelidir.<\/p>\n

5. Kimyasal Bile\u015fim<\/strong><\/h3>\n

5.1 \u00c7elik, Tablo 1\u2019de belirtilen kimyasal bile\u015fim gerekliliklerine uygun olmal\u0131d\u0131r.<\/p>\n

TABLO 1 Kimyasal Gereklilikler<\/strong><\/p>\n\n\n<\/colgroup>\n\n\n\n\n\n\n
Element<\/td>\nBile\u015fim, %<\/td>\n<\/tr>\n
Karbon<\/td>\n0.05 ila 0.15<\/td>\n<\/tr>\n
Manganez<\/td>\n0.27 ila 0.63<\/td>\n<\/tr>\n
Fosfor, maks<\/td>\n0.035<\/td>\n<\/tr>\n
K\u00fck\u00fcrt, maks<\/td>\n0.035<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

5.2 Is\u0131 Analizi\u2014Her bir \u00e7elik \u0131s\u0131s\u0131n\u0131n element y\u00fczdeliklerini belirlemek i\u00e7in \u00e7elik \u00fcreticisi taraf\u0131ndan analiz yap\u0131lmal\u0131d\u0131r. \u0130kincil eritme i\u015flemleri kullan\u0131l\u0131yorsa, \u0131s\u0131 analizi, her bir birincil erimenin yeniden eritilmi\u015f bir k\u00fcl\u00e7esinden veya bir k\u00fcl\u00e7enin yeniden eritilmi\u015f \u00fcr\u00fcn\u00fc \u00fczerinden elde edilmelidir. B\u00f6ylece belirlenen kimyasal bile\u015fim veya boru \u00fcr\u00fcnleri \u00fcreticisi taraf\u0131ndan yap\u0131lan \u00fcr\u00fcn analizinden elde edilen bile\u015fim, belirtilen gerekliliklere uygun olmal\u0131d\u0131r.
\n5.3 \u00dcr\u00fcn Analizi\u2014Bu nitelikteki borular genellikle kimyasal bile\u015fiminde homojenlik eksikli\u011fi olan a\u00e7\u0131k veya kapakl\u0131 \u00e7elikten \u00fcretilir. Bu nedenle, a\u00e7\u0131k\u00e7a yanl\u0131\u015f kullan\u0131m tespit edilmedi\u011fi s\u00fcrece \u00fcr\u00fcn analizi i\u00e7in reddetme uygun de\u011fildir.
\n5.4 Analiz Y\u00f6ntemleri\u2014Tahkim ama\u00e7l\u0131 olarak E 30 Test Y\u00f6ntemlerinde a\u00e7\u0131klanan y\u00f6ntemler kullan\u0131lmal\u0131d\u0131r. Bak\u0131r lehim metalinin varl\u0131\u011f\u0131na ili\u015fkin d\u00fczeltmeler mutlaka yap\u0131lmal\u0131d\u0131r.
\n5.5 \u00dcr\u00fcn Analizi \u0130\u00e7in Numuneler\u2014Spektrografik analiz d\u0131\u015f\u0131nda, numuneler E 59 Uygulamas\u0131na g\u00f6re al\u0131nmal\u0131d\u0131r.<\/p>\n

6. Mekanik Gereklilikler<\/strong><\/h3>\n

6.1 Gerilme Testi<\/em>\u2014\u00dcretilmi\u015f borular\u0131n gerilme \u00f6zellikleri (so\u011fuk i\u015flemden \u00f6nce), Tablo 2\u2019de belirtilen gerekliliklere uygun olmal\u0131d\u0131r.<\/p>\n

6.1.1 Gerekli numuneler ve gerilme testleri, A 370 Test Y\u00f6ntemleri ve Tan\u0131mlar\u0131 uyar\u0131nca yap\u0131lmal\u0131d\u0131r.
\n6.1.2 Numuneler oda s\u0131cakl\u0131\u011f\u0131nda test edilmelidir.
\n6.1.3 Test numuneleri, d\u00fczelme, s\u0131kma, geni\u015fletme veya di\u011fer \u015fekillendirme i\u015flemlerinden \u00f6nce veya boyuna kesilmeden \u00f6nce bitmi\u015f borular\u0131n u\u00e7lar\u0131ndan al\u0131nmal\u0131d\u0131r. Numunelerin u\u00e7lar\u0131 p\u00fcr\u00fczs\u00fcz, \u00e7apaks\u0131z ve kusursuz olmal\u0131d\u0131r.
\n6.1.4 Herhangi bir test numunesinde kusur veya hatal\u0131 i\u015fleme tespit edilirse, numune iptal edilebilir ve yerine ba\u015fka bir numune al\u0131nabilir.
\n6.1.5 Verimlilik dayan\u0131m\u0131, numunenin \u00f6l\u00e7\u00fc uzunlu\u011funun %0.2\u2019sine kar\u015f\u0131l\u0131k gelen kal\u0131c\u0131 kaymada veya y\u00fck alt\u0131nda \u00f6l\u00e7\u00fc uzunlu\u011funun toplam %0.5\u2019lik uzamas\u0131nda belirlenmelidir.
\n6.1.6 Herhangi bir test numunesinin uzama y\u00fczdesi belirtilenden azsa ve k\u0131r\u0131lma par\u00e7as\u0131n\u0131n, test \u00f6ncesinde numuneye \u00e7izilen i\u015faretlerle belirlenen \u00f6l\u00e7\u00fc uzunlu\u011funun merkezinden 3\u20444 in\u00e7\u2019ten (19.0 mm) daha uzakta olmas\u0131 durumunda, tekrar test izni verilir.<\/p>\n

TABLO 2 Gerilme Gereklilikleri<\/strong><\/p>\n\n\n<\/colgroup>\n\n\n\n\n\n
\u00d6zellik<\/td>\nGereklilik<\/td>\n<\/tr>\n
Gerilme dayan\u0131m\u0131, min, psi (MPa)<\/td>\n42 000 (290)<\/td>\n<\/tr>\n
Verimlilik dayan\u0131m\u0131, min, psi (MPa)<\/td>\n25 000 (172)<\/td>\n<\/tr>\n
Uzama, 2 in\u00e7te (50.8 mm), min, %<\/td>\n25<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

6.2 Yass\u0131lama Testi<\/em>\u2014En az 21\u20442 in\u00e7 (64 mm) uzunlu\u011fundaki bir boru par\u00e7as\u0131, i\u00e7 y\u00fczeyler temas edene kadar paralel plakalar aras\u0131nda ezilmeli ve \u00e7atlak olu\u015fmadan veya ba\u015fka kusurlar g\u00f6stermeden dayanmal\u0131d\u0131r.
\n6.3 Geni\u015fletme Testi<\/em>\u2014Yakla\u015f\u0131k 4 in\u00e7 (100 mm) uzunlu\u011fundaki bir boru par\u00e7as\u0131, geni\u015fletilmi\u015f ucunun d\u0131\u015f \u00e7ap\u0131 %20 artana kadar 1\/10 e\u011fime sahip konik mandal \u00fczerinde geni\u015fletilmeli ve \u00e7atlak veya ba\u015fka kusurlar g\u00f6stermeden dayanmal\u0131d\u0131r. (Geni\u015fletme testinden \u00f6nce boru dik kesilmeli, kenarlar\u0131 yuvarlat\u0131lmal\u0131 ve \u00e7apaklar al\u0131nmal\u0131d\u0131r. Boru kal\u0131p i\u00e7inde sa\u011flam ve dik tutulmal\u0131, \u00e7eki\u00e7 borunun eksenine do\u011fru y\u00f6nlendirilmelidir.)
\n6.4 B\u00fckme Testi<\/em>\u2014Bitmi\u015f boru, uygun b\u00fckme aparatlar\u0131 kullan\u0131ld\u0131\u011f\u0131nda, borunun d\u0131\u015f \u00e7ap\u0131n\u0131n \u00fc\u00e7 kat\u0131 b\u00fcy\u00fckl\u00fc\u011f\u00fcndeki merkez hatt\u0131 yar\u0131\u00e7ap\u0131nda b\u00fck\u00fclmeye ra\u011fmen, k\u0131vr\u0131lmadan, \u00e7atlak olu\u015fmadan veya ba\u015fka kusurlar geli\u015fmeden dayanmal\u0131d\u0131r.
\n6.5 Bas\u0131n\u00e7 Dayan\u0131m Testleri<\/em>\u2014Her bir boru, patlamadan veya s\u0131z\u0131nt\u0131 yapmadan a\u015fa\u011f\u0131daki iki dayan\u0131m testinden herhangi birine dayanabilmelidir:<\/p>\n

6.5.1 Malzemeyi en az 16 000 psi (110 MPa) fiber gerilmesine maruz b\u0131rakacak i\u00e7 hidrostatik bas\u0131n\u00e7. Hidrostatik bas\u0131n\u00e7 a\u015fa\u011f\u0131daki form\u00fclle belirlenir:<\/p>\n

P = 2St\/D
\nBurada:
\nP = hidrostatik bas\u0131n\u00e7, psi (veya MPa),
\nS = kabul edilebilir fiber gerilmesi, 16 000 psi (110 MPa),
\nt = borunun ger\u00e7ek duvar kal\u0131nl\u0131\u011f\u0131, in\u00e7 (veya mm), ve
\nD = borunun ger\u00e7ek d\u0131\u015f \u00e7ap\u0131, in\u00e7 (veya mm).<\/p>\n

6.5.2 Deniz alt\u0131nda 225 ila 250 psi (1.55 ila 1.73 MPa) aras\u0131ndaki hava bas\u0131nc\u0131.<\/p>\n

7. Kaplama<\/strong><\/h3>\n

7.1 Borular, \u00fcreticinin tercihine g\u00f6re i\u00e7 ve d\u0131\u015f y\u00fczeylerde bak\u0131r kaplamayla da temin edilebilir.<\/p>\n

8. \u0130\u00e7 Y\u00fczey Temizli\u011fi<\/h3>\n

8.1 Al\u0131c\u0131 taraf\u0131ndan i\u00e7 y\u00fczey temizli\u011fi belirtildi\u011finde, so\u011futma kondenserleri gibi baz\u0131 kullan\u0131mlar i\u00e7in borular a\u015fa\u011f\u0131daki i\u00e7 temizlik gereklili\u011fine uygun olmal\u0131d\u0131r:<\/p>\n

8.1.1 Bir boru par\u00e7as\u0131, yeniden dam\u0131t\u0131lm\u0131\u015f kloroform veya yeniden dam\u0131t\u0131lm\u0131\u015f 1,1,1-trikloroetan ile i\u00e7ten y\u0131kan\u0131rken, \u00e7\u00f6z\u00fcc\u00fcn\u00fcn buharla\u015ft\u0131r\u0131lmas\u0131 sonucu kalan tortu, i\u00e7 y\u00fczeyin her in\u00e7 karesinde 1.25×10\u22124<\/sup> g\u2019yi (her metrekarede 0.194 g) a\u015fmamal\u0131d\u0131r. Testi ger\u00e7ekle\u015ftirmek i\u00e7in 100 mL \u00e7\u00f6z\u00fcc\u00fc borudan ge\u00e7irilip toplan\u0131r. Test edilen boru uzunlu\u011fu toplamda 40 fit\u2019ten (12 m) az olmamal\u0131d\u0131r; ancak bu toplam uzunluk, birka\u00e7 ayr\u0131 par\u00e7a \u00fcst \u00fcste y\u0131kand\u0131\u011f\u0131nda ve ayn\u0131 \u00e7\u00f6z\u00fcc\u00fc her birinden s\u0131rayla ge\u00e7irildi\u011finde de sa\u011flanabilir. \u00c7\u00f6z\u00fcc\u00fc buhar veya s\u0131cak su banyosunda buharla\u015ft\u0131r\u0131l\u0131r ve buhar tamamen uzakla\u015f\u0131ncaya kadar 110\u00b0C\u2019de (230\u00b0F) kurutulur.<\/p>\n

8.2 Bu temizlik seviyesini nakliye, ta\u015f\u0131ma ve depolamada korumak i\u00e7in al\u0131c\u0131, \u00fcreticiden boru u\u00e7lar\u0131n\u0131 kapaklar veya kapat\u0131c\u0131larla m\u00fch\u00fcrlemesini talep edebilir.<\/p>\n

9. Boyutsal Toleranslar<\/strong><\/h3>\n

9.1 Borular, Tablo 3, Tablo 4 ve Tablo 5’teki kabul edilebilir sapmalara uygun olmal\u0131d\u0131r.
\n10. \u0130\u015f\u00e7ilik, Cila ve G\u00f6r\u00fcn\u00fcm
\n10.1 Haz\u0131r borular, i\u00e7i ve d\u0131\u015f\u0131 temiz, p\u00fcr\u00fczs\u00fcz ve yuvarlak olmal\u0131, pas, kire\u00e7 ve i\u015fleme ile kullan\u0131m \u00f6zelliklerini bozan kusurlardan ar\u0131nd\u0131r\u0131lm\u0131\u015f olmal\u0131d\u0131r. Haz\u0131rlanan borular makul derecede d\u00fcz olmal\u0131d\u0131r.<\/p>\n

TABLO 3 D\u0131\u015f \u00c7ap Gereklilikleri<\/strong><\/p>\n\n\n<\/colgroup>\n\n\n\n\n\n\n
\u00a0Belirlenen D\u0131\u015f \u00c7ap, in\u00e7 (mm)<\/td>\n\u00a0Sapmalar, in\u00e7 (mm)<\/td>\n<\/tr>\n
<\/td>\n\u00a0Art\u0131 veya Eksi<\/td>\n<\/tr>\n
\u00a03\u204416’dan k\u00fc\u00e7\u00fck (4.76)<\/td>\n\u00a00.002 (0.051)<\/td>\n<\/tr>\n
\u00a03\u204416 (4.76) ile 3\u20448 (9.53) aras\u0131<\/td>\n\u00a00.003 (0.076)<\/td>\n<\/tr>\n
\u00a07\u204416 (11.1) ile 5\u20448 (15.9) aras\u0131<\/td>\n\u00a00.004 (0.102)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

TABLO 4 Duvar Kal\u0131nl\u0131\u011f\u0131 Gereklilikleri<\/strong><\/p>\n\n\n<\/colgroup>\n\n\n\n\n\n
\u00a0Belirlenen Duvar Kal\u0131nl\u0131\u011f\u0131, in\u00e7 (mm)<\/td>\n\u00a0Sapmalar, in\u00e7 (mm)<\/td>\n<\/tr>\n
<\/td>\n\u00a0Art\u0131 veya Eksi<\/td>\n<\/tr>\n
\u00a00.020 (0.51) ile 0.030 (0.76) aras\u0131<\/td>\n\u00a00.003 (0.08)<\/td>\n<\/tr>\n
\u00a00.031 (0.79) ile 0.049 (1.24) aras\u0131<\/td>\n\u00a00.0035 (0.09)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

TABLO 5 Uzunluk Gereklilikleri<\/strong><\/p>\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n
\u00a0Belirlenen Kesim Uzunlu\u011fu, in\u00e7 (m)<\/td>\n\u00a0Sapmalar, in\u00e7 (mm)<\/td>\n<\/tr>\n
\u00a018 (0.46) ve alt\u0131<\/td>\n\u00b10.03 (\u00b10.76)<\/td>\n<\/tr>\n
\u00a018 (0.46) ile 40 (1.02) aras\u0131<\/td>\n\u00a0\u00b10.06 (\u00b11.52)<\/td>\n<\/tr>\n
\u00a040 (1.02) ile 80 (2.03) aras\u0131<\/td>\n\u00a0\u00b10.12 (\u00b13.05 )<\/td>\n<\/tr>\n
\u00a080 (2.03) ile 120 (3.05) aras\u0131<\/td>\n\u00a0\u00b10.25 (\u00b16.35 )<\/td>\n<\/tr>\n
\u00a0120 (3.05) \u00fczeri<\/td>\n\u00a0+1.00 (+25.4), \u22120.0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

11. Yeniden Testler<\/strong><\/h3>\n

11.1 Herhangi bir grup veya partiye ait mekanik test sonu\u00e7lar\u0131 ilgili spesifikasyonda belirtilen gerekliliklere uymuyorsa, ayn\u0131 gruptan veya partiden al\u0131nan orijinal say\u0131n\u0131n iki kat\u0131 kadar ek borularla yeniden test yap\u0131labilir; bu ek borular\u0131n her biri de belirtilen gerekliliklere uygun olmal\u0131d\u0131r.<\/p>\n

12. Yeniden \u0130\u015flem<\/strong><\/h3>\n

12.1 Herhangi bir grubu veya partiyi temsil eden bireysel borular veya se\u00e7ilen borular test gerekliliklerine uymuyorsa, s\u00f6z konusu bireysel borular veya grup veya parti yeniden i\u015flenebilir ve tekrar teste sunulabilir. En fazla iki kez yeniden \u0131s\u0131tma i\u015flemi yap\u0131labilir.<\/p>\n

13. Denetim<\/strong><\/h3>\n

13.1 Al\u0131c\u0131n\u0131n temsilcisi olan denet\u00e7i, al\u0131c\u0131n\u0131n s\u00f6zle\u015fmesi kapsam\u0131nda \u00e7al\u0131\u015fmalar y\u00fcr\u00fct\u00fcl\u00fcrken, \u00fcreticinin malzemenin imalat\u0131yla ilgili t\u00fcm b\u00f6l\u00fcmlerine her zaman girebilir. \u00dcretici, denet\u00e7iye malzemenin bu spesifikasyona uygun olarak tedarik edildi\u011finden emin olabilmesi i\u00e7in gerekli t\u00fcm kolayl\u0131klar\u0131 sa\u011flamal\u0131d\u0131r. Gerekli t\u00fcm testler ve denetimler, aksi belirtilmedik\u00e7e, sevkiyat \u00f6ncesinde \u00fcretim yerinde yap\u0131lmal\u0131 ve fabrikan\u0131n i\u015fleyi\u015fine gereksiz \u015fekilde m\u00fcdahale etmeyecek \u015fekilde y\u00fcr\u00fct\u00fclmelidir.<\/p>\n

14. Reddetme<\/strong><\/h3>\n

14.1 \u00dcreticiden al\u0131nan her bir boru uzunlu\u011fu al\u0131c\u0131 taraf\u0131ndan incelenebilir ve e\u011fer spesifikasyondaki gerekliliklere uygun de\u011filse, boru reddedilebilir ve \u00fcreticiye bildirilir. Reddedilen borular\u0131n nas\u0131l de\u011ferlendirilece\u011fi \u00fcretici ile al\u0131c\u0131 aras\u0131nda kararla\u015ft\u0131r\u0131lmal\u0131d\u0131r.
\n14.2 \u015eekillendirme i\u015flemlerinde veya montaj s\u0131ras\u0131nda hatal\u0131 oldu\u011fu tespit edilen malzeme ayr\u0131 tutulmal\u0131 ve malzemenin uygunlu\u011fu hakk\u0131nda ortak de\u011ferlendirme yap\u0131lmas\u0131 i\u00e7in \u00fcreticiye bildirilmelidir. Bu t\u00fcr malzemelerin nas\u0131l de\u011ferlendirilece\u011fi ise kar\u015f\u0131l\u0131kl\u0131 anla\u015fmayla belirlenmelidir.<\/p>\n

15. Sertifika<\/strong><\/h3>\n

15.1 Al\u0131c\u0131n\u0131n sipari\u015fi \u00fczerine, yetkili bir \u00e7al\u0131\u015fan veya \u00fcreticinin temsilcisi taraf\u0131ndan imzalanm\u0131\u015f bir test raporu, al\u0131c\u0131ya sa\u011flanmal\u0131d\u0131r. Raporda spesifikasyon numaras\u0131, y\u0131l tarihi ve s\u0131n\u0131f, kimyasal analiz, sertlik ve gerilme testi sonu\u00e7lar\u0131 ile al\u0131c\u0131 taraf\u0131ndan yaz\u0131l\u0131 olarak belirtilen di\u011fer testler yer almal\u0131d\u0131r.<\/p>\n

16. \u00dcr\u00fcn \u0130\u015faretleme<\/strong><\/h3>\n

16.1 Spesifikasyon numaras\u0131 (i\u015faretlemenin spesifikasyonun y\u0131l tarihini i\u00e7ermesi zorunlu de\u011fildir), \u00fcreticinin ad\u0131 veya markas\u0131 ile borunun boyutu veya par\u00e7a numaras\u0131, borular\u0131n g\u00f6nderildi\u011fi demetlere veya kutulara s\u0131k\u0131ca sabitlenmi\u015f bir etiket veya i\u015faret \u00fczerinde belirtilmelidir.
\n16.2 Barkodlama\u201416.1’deki gerekliliklere ek olarak barkodlama da ek bir tan\u0131mlama y\u00f6ntemi olarak kabul edilebilir. Al\u0131c\u0131, sipari\u015fte kullan\u0131lacak belirli bir barkodlama sistemini belirtebilir.<\/p>\n

\n

EK GEREKL\u0130L\u0130KLER<\/h3>\n

A\u015fa\u011f\u0131daki ek gerekliliklerden biri veya birka\u00e7\u0131, yaln\u0131zca al\u0131c\u0131 taraf\u0131ndan talep, s\u00f6zle\u015fme veya sipari\u015fte belirtildi\u011finde ge\u00e7erlidir. Bu ek gerekliliklerin detaylar\u0131 \u00fcretici ile al\u0131c\u0131 aras\u0131nda kararla\u015ft\u0131r\u0131lmal\u0131d\u0131r.<\/p>\n

S1. Flare Testi<\/strong><\/p>\n

S1.1 Lehimli borular, SAE Standard\u0131 J 533’te g\u00f6sterilen \u00f6l\u00e7\u00fclerde \u00e7ift flare yap\u0131ld\u0131\u011f\u0131nda, flare’\u0131n b\u00fcy\u00fck \u00e7ap\u0131ndaki duvardan \u00e7atlaks\u0131z dayanmal\u0131d\u0131r. Borunun flare u\u00e7 k\u0131sm\u0131nda yaln\u0131zca A b\u00f6lgesinde (\u015eekil S1.1’e bak\u0131n\u0131z) d\u0131\u015f tabaka ba\u011flant\u0131s\u0131nda bir ayr\u0131lma izin verilir. Bu ayr\u0131lma en fazla 0.12 in\u00e7 (3.0 mm) uzunlu\u011fa sahip olmal\u0131 ve yaln\u0131zca d\u0131\u015f kal\u0131nl\u0131kla s\u0131n\u0131rl\u0131 olmal\u0131d\u0131r. A\u015fa\u011f\u0131daki b\u00f6lgelerde diki\u015f ayr\u0131lmas\u0131 kabul edilmez:<\/p>\n

\"ASTM<\/p>\n

S1.1.1 B B\u00f6lgesi (flare oturu\u015fu, 90\u00b0 a\u00e7\u0131 i\u00e7indeki y\u00fczey olarak tan\u0131mlan\u0131r); konik y\u00fczey d\u00fczg\u00fcn olmal\u0131 ve montaj sonras\u0131 s\u0131zd\u0131rmazl\u0131\u011fa engel olabilecek \u00e7atlak veya di\u011fer d\u00fczensizliklerden ar\u0131nd\u0131r\u0131lmal\u0131d\u0131r.
\nS1.1.2 C B\u00f6lgesi (flare sonucu olu\u015fan \u00e7ift kal\u0131nl\u0131\u011f\u0131n uzunlu\u011funun \u00f6tesindeki y\u00fczey).<\/p>\n

S1.2 Flare oturu\u015funda, flare’in s\u0131zd\u0131rmazl\u0131\u011f\u0131na zarar vermeyecek y\u00fczeysel rastgele radyal \u00e7izgiler veya girintiler bulunabilir. Flare yapma aletlerinin a\u015f\u0131nmas\u0131 veya aletlere yap\u0131\u015fan tala\u015f ya da kir nedeniyle olu\u015fan tekrarlayan girintiler kabul edilmez. Flare oturu\u015funun fiziksel g\u00f6r\u00fcn\u00fcm\u00fc tart\u0131\u015fmal\u0131 oldu\u011funda, nihai karar, belirlenen tork seviyesinde bas\u0131n\u00e7 testine maruz kald\u0131\u011f\u0131nda flare oturu\u015funun s\u0131zd\u0131rmazl\u0131k sa\u011flay\u0131p sa\u011flamad\u0131\u011f\u0131na g\u00f6re verilir.<\/p>\n

S2. D\u0131\u015f Kaplama<\/strong><\/p>\n

S2.1 Borunun d\u0131\u015f y\u00fczeyi s\u0131cak dald\u0131rma y\u00f6ntemiyle kur\u015fun-kalay ala\u015f\u0131m kaplamayla kaplanmal\u0131d\u0131r. Kaplaman\u0131n a\u011f\u0131rl\u0131\u011f\u0131 ve bile\u015fimi \u00fcretici ile al\u0131c\u0131 aras\u0131nda kararla\u015ft\u0131r\u0131lmal\u0131d\u0131r.<\/p>\n

S3. U\u00e7 Sonu \u0130\u015flemi<\/strong><\/p>\n

S3.1 Haz\u0131r borular\u0131n u\u00e7lar\u0131 p\u00fcr\u00fczs\u00fcz ve \u00e7apaks\u0131z olmal\u0131d\u0131r.<\/p>\n","protected":false},"excerpt":{"rendered":"

Bu standart, A 254 olarak belirlenmi\u015f bir isimle yay\u0131mlanm\u0131\u015ft\u0131r; ismin hemen ard\u0131ndan gelen say\u0131, ilk kabul edildi\u011fi y\u0131l\u0131 veya revizyon s\u00f6z konusuysa son revizyon y\u0131l\u0131n\u0131 g\u00f6sterir. Parantez i\u00e7indeki say\u0131, son yeniden onay y\u0131l\u0131n\u0131 ifade eder. \u00dcst indisi e ise, son revizyon veya yeniden onaydan bu yana yap\u0131lan editoryal de\u011fi\u015fikli\u011fi g\u00f6sterir. 1. Kapsam 1.1 Bu spesifikasyon, […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[53],"tags":[71,74],"class_list":["post-3323","post","type-post","status-publish","format-standard","hentry","category-standards","tag-steel-tubing","tag-astm"],"_links":{"self":[{"href":"https:\/\/www.eibrakeline.com\/tr\/wp-json\/wp\/v2\/posts\/3323","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.eibrakeline.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.eibrakeline.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.eibrakeline.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.eibrakeline.com\/tr\/wp-json\/wp\/v2\/comments?post=3323"}],"version-history":[{"count":0,"href":"https:\/\/www.eibrakeline.com\/tr\/wp-json\/wp\/v2\/posts\/3323\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.eibrakeline.com\/tr\/wp-json\/wp\/v2\/media?parent=3323"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.eibrakeline.com\/tr\/wp-json\/wp\/v2\/categories?post=3323"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.eibrakeline.com\/tr\/wp-json\/wp\/v2\/tags?post=3323"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}