Welded circular steel tubes for mechanical and general engineering purposes. Technical delivery conditions-Non-alloy and alloy steel tubes
机械和一般工程用焊接圆钢管 交货技术条件
2003-06-24
SH/T 3417-2018
石油化工管式炉高合金炉管焊接工程技术条件(附条文说明)
Technical specification for welding high alloy tube of tubular heater in petrochemical industry
2018-07-04
UNE-EN 10296-1-2008
Welded circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 1: Non-alloy and alloy steel tubes
机械和一般工程用焊接圆钢管.交货技术条件.第1部分:非合金和合金钢管
2008-02-06
DIN EN 10296-1
Welded circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 1: Non-alloy and alloy steel tubes
机械和一般工程用焊接圆钢管.交货技术条件.第1部分:非合金和合金钢管；德文版EN 10296-1:2002
2004-02-01
SH/T 3085-2016
石油化工管式炉碳钢和铬钼钢炉管焊接技术条件(附条文说明)
Technical specification for welding of carbon steel and chrome-molybdenum alloy steel tube of tubular heater in petrochemical industry