GB 50517-2010 Code for construction quality acceptance of metallic piping in petrochemical engineering

GB/T 1954-2008 Methods of measurement for ferrite content in austenitic Cr-Ni stainless steel weld metals GB 16912-2008 Safety technical regulation for oxygen and relative gases produced with cryogenic method SH 3010-2000 SH 3022-1999 SH/T 3503-2007 Regulation for technical document of construction completion for petrochemical project SH/T 3543-2007 Specification for process technical document of petrochemical project conseruction JB/T 4730.2-2005 JB/T 4730.3-2005 Nondestructive testing of pressure equipments—Part 3:Ultrasonic testing JB/T 4730.4-2005 Nondestructive testing of pressure equipments—Part 4:Magnetic particle testing JB/T 4730.5-2005 Nondestructive testing of pressure equipments—Part 5:Penetrant testing