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焊接工藝評定簡介

焊接工藝評定(Welding Procedure Qualification Record，簡稱WPQR)為驗證所擬定的焊件焊接工藝的正確性而進行的試驗過程及結果評價

焊接工藝評定目的

1.評定施焊單位是否有能力焊出符合相關國家或行業(yè)標準、技術規(guī)范所要求的焊接接頭;

2.驗證施焊單位所擬訂的焊接工藝規(guī)程(WPS或pWPS)是否正確。

3.為制定正式的焊接工藝指導書或焊接工藝卡提供可靠的技術依據(jù)。

歐盟焊接工藝評定適用范圍

1.適用于鍋爐，壓力容器，壓力管道，橋梁，船舶，航天器，核能以及承重鋼結構等鋼制設備的制造、安裝、檢修工作;2.適用于氣焊，焊條電弧焊，鎢極氬弧焊，熔化極氣體保護焊，埋弧焊，等離子弧焊，電渣焊，螺柱焊，激光焊，壓力煋等焊接方法

焊接工藝評定過程

1.預焊接工藝指導書(Preliminary Welding Procedure Specifcation，簡稱PWPS):

2.施焊試件和制取試樣;

3.檢驗試件和試樣;

4.測定焊接接頭是否滿足標準所要求的使用性能;

5.提出焊接工藝評定報告對擬定的焊接工藝指導書進行評定。

焊接工藝評定標準

EN IS0 15614-1:2004/A2:2012-鋼、鎳及鎳合金的焊接工藝評定

Specification and aualification of welding procedures for metalic materials - Welding procedure test - Part 1: Arc and gas welding of steels and

arc welding of nickel and nickel alloys

EN IS0 15614-2:2005/AC:2009-鋁及鋁合金的焊接工藝評定

Specification and qualification of welding procedures for metallic materials - Welding procedure test - Part 2: Arc welding of aluminium and its

alloys

EN IS0 15614-4:2005/AC:2007 -鑄鐵的焊接工藝評定

Specifcation and qualification of welding procedures for metaic materials - Welding procedure test- Part 4: Finishing welding of aluminiumcastings

EN IS0 15614-5:2004 -鈦/鋯及其合金的焊接工藝評定

Speciication and aualiication of welding procedures for metalic materials - welding procedure test-Part 5. Arc welding of titanium. zirconium

and their alloys

EN IS0 15614-6:2006-銅及銅合金的焊接工藝評定

Specification and qualification of welding procedures for metalic materials - Welding procedure test - Part 6: Arc and gas welding of copper and

its alloys

ENIS0 15614-7:2007 -堆焊的焊接工藝評定

Specification and aualification of welding procedures for metalic materials - Welding procedure test - Part 7: 0verlay welding

EN IS0 15614-8:2002-金屬材料焊接程序的規(guī)范和鑒定

Specification and qualification of welding procedures for metalic materials - Welding procedure test -Part 8: Welding oftubes to tube-plate joints

EN IS0 15614-11:2002-電子東/激光焊的焊接工藝評定

Specification and aualification of welding procedures for metaic materials - Welding procedure test- Part 11: Electron and laser beam welding

EN IS0 15620:2000 -焊接,金屬材料摩擦焊接

Welding - Friction welding of metallic materials