bs 4677-1984 specification for arc welding of austenitic stainless steel pipework for carrying fluids 输送液体用奥氏体不锈钢管件的电弧焊规范cj/t 152-2001 stainless steel press-fittings 不锈钢卡压式管件 cj/t 232-2006 light gauge stainless steel pipes and insert.pressfittings 薄壁不锈钢内插卡压式管材及管件 din 11867-2005 elbows for pigging systems, welding fittings in stainless steel, for aseptic, chemical and pharmaceutical industries 无菌、化学和制药工业的生铁系统用弯头、不锈钢焊接管件 din 32676-2001 fittings for the food, chemical and pharmaceutical industries - clamp connections for stainless steel tubes - weld-on type 饮食业、化工业和医药业用管件.不锈钢管卡箍连接.焊接式 ej/t 403-1999 specification for primary system arc-welded stainless steel larger size pipes and fittings for pressurized water reactor nuclear power plants 压水堆核电厂一回路系统大口径电弧焊接不锈钢卷制钢管及管件技术条件 ej/t 404-1999 specification for primary system seamless stainless steel butt-welding fittings for pressurized water reactor nuclear power plants 压水堆核电厂一回路系统无缝对接焊不锈钢管件技术条件 gb/t 19228.1-2003 stainless steel press fittings 不锈钢卡压式管件 gb/t 19228.2-2003 light gauge stainless steel pipes for stainless steel press-fittings 不锈钢卡压式管件连接用薄壁不锈钢管 gb/t 19228.3-2003 o-rings for stainless steel press-fittings 不锈钢卡压式管件用橡胶o型密封圈 qb/t 2003-1994 食品工业用不锈钢对缝焊接管件 |