Welding procedure specification for electron GB/T 电子束焊接工艺规程 beam welding Welding procedure specification for laser beam GB/T 激光焊接工艺规程 welding Welding procedure specification for resistance GB/T 电阻焊焊接工艺规程 welding Welding procedure qualification based on GB/T 基于试验焊接材料的工艺评定 tested welding consumables Welding procedure qualification based on GB/T 基于焊接经验的工艺评定 previous welding experience Welding procedure qualification by adoption of GB/T 基于标准焊接规程的工艺评定 a standard welding procedure Welding procedure qualification based on GB/T 基于预生产焊接试验的工艺评定 pre-production welding test Welding procedure qualification test for GB/T 钢、镍及镍合金的焊接工艺评定试验 steels,nickel and nickel alloys Cranked-link drag chains of welded GB/T 19927-2005 曳引用焊接结构弯板链、附件和链轮 construction,attachments and sprockets Seamless and welded (except submerged 承压无缝和焊接（埋弧焊除外）钢管分层的超arc-welded) steel tubes for pressure purposes GB/T 20490-2006 声检测 - Ultrasonic testing for the detection of laminar imperfections Austenitic - Ferritic (duplex) grade stainless GB/T 21832-2008 奥氏体 铁素体型双相不锈钢焊接钢管 steel welded tubes and pipes GB/T 21835-2008 焊接钢管尺寸及单位长度重量 Dimensions and masses per unit length of welded steel pipes Electron and laser beam welded joints - 电子束及激光焊接接头 缺欠质量分级指南 GB/T 第1部分：钢 Part 1:Steel Guidance on quality levels for imperfactions - Electron and laser beam welded joints - 电子束及激光焊接接头 缺欠质量分级指南 GB/T 第2部分：铝及铝合金 Part 2:Aluminium and its weldable alloys Guidance on quality levels for imperfections - Arc-welded joints in aluminium and its alloys GB/T 22087-2008 铝及铝合金的弧焊接头 缺欠质量分级指南 - Guidance on quality levels for imperfection Welding parts for metal cutting machines - GB/T 23570-2009 金属切削机床焊接件 通用技术条件 General specifications GB/T 24181-2009 金刚石焊接锯片基体用钢 Steels for diamond welded saw blades GB/T 24187-2009 冷拔精密单层焊接钢管 Cold-drawn precision single welded steel tubes Welded austenitic stainless steel tubes for GB/T 24593-2009 锅炉和热交换器用奥氏体不锈钢焊接钢管 boiler and heat-exchanger GB/T 25112-2010 焊接、切割及类似工艺用压力表 ()
中国焊接标准weldingsndards
