GB/T 27866-2011 Specification of controlling weld hardness of carbon steel and low alloy steel piping and equipment to prevent sulfide stress cracking

GB/T 27866-2023 Specification of controlling weld hardness of steel pipe and equipment to prevent sulfide stress cracking

GB 150-1998 Steel pressure vessels GB/T 150.1-2011 Pressure vessels—Part 1:General requirements GB/T 150.1-2024 Pressure vessels—Part 1:General requirements GB/T 150.2-2011 Pressure vessels—Part 2:Materials GB/T 150.2-2024 Pressure vessels—Part 2:Materials GB/T 150.3-2011 Pressure vessels—Part 3:Design GB/T 150.3-2024 Pressure vessels—Part 3:Design GB/T 150.4-2011 Pressure vessels—Part 4:Fabrication,inspection and testing,and acceptance GB/T 150.4-2024 Pressure vessels—Part 4:Fabrication,inspection and testing,and acceptance GB/T 231.1-2002 Metallic materials—Brinell hardness test—Part 1:Test method GB/T 231.1-2009 Metallic materials—Brinell hardness test—Part 1:Test method GB/T 231.1-2018 Metallic materials—Brinell hardness test—Part 1:Test method GB/T 2654-1989 Methods of hardness tests for welded joint and surfacing metal GB/T 2654-2008 Hardness test methods on welded joints GB/T 4340.1-1999 Metallic materials—Vickers hardness test—Part 1:Test method GB/T 4340.1-2009 Metallic materials—Vickers hardness test—Part 1:Test method GB/T 4340.1-2024 Metallic materials—Vickers hardness test—Part 1:Test method GB/T 5117-1995 Carbon steel covered electrodes GB/T 5117-2012 Covered electrodes for manual metal arc welding of non-alloy and fine grain steels GB/T 5118-1995 Low alloy steel covered electrodes GB/T 5118-2012 Covered electrodes for manual metal arc welding of creep-resisting steels GB/T 5293-1999 Carbon steel electrodes and fluxs for submerged arc welding GB/T 5293-2018 Solid wire electrodes,tubular cored electrodes and electrode/flux combinations for submerged arc welding of non alloy and fine grain steels GB/T 8110-1995 Welding wires for gas shielding arc welding of carbon and low alloy steels GB/T 8110-2008 Welding electrodes and rods for gas shielding arc welding of carbon and low alloy steel GB/T 8110-2020 Wire electrodes and weld deposits for gas shielded metal arc welding of non alloy and fine grain steels GB/T 10045-2001 Carbon steel flux cored electrodes for arc welding GB/T 10045-2018 Tubular cored electrodes for non-alloy and fine grain steels GB 12470-1990 Fluxes for the submerged arc welding of low alloy steel GB/T 12470-2003 Low-alloy steel electrodes and fluxes for submerged arc welding GB/T 12470-2018 Solid wire electrodes,tubular cored electrodes and electrode/flux combinations for submerged arc welding of creep-resisting steels GB/T 14957-1994 Steel wires for melt welding GB/T 17394-1998 Metallic materials—Leeb hardness test GB/T 17394.1-2014 Metallic materials—Leeb hardness test—Part 1:Test method GB/T 17394.2-2012 Metallic materials—Leeb hardness test—Part 2:Verification and calibration of hardness testers GB/T 17394.2-2022 Metallic materials—Leeb hardness test—Part 2:Verification and calibration of hardness testers GB/T 17394.3-2012 Metallic materials—Leeb hardness test—Part 3:Calibration of reference blocks GB/T 17394.3-2022 Metallic materials—Leeb hardness test—Part 3:Calibration of reference test blocks GB/T 17394.4-2014 Metallic materials—Leeb hardness test—Part 4:Tables of hardness values conversation GB/T 17493-1998 Low alloy steel flux cored electrodes for arc welding GB/T 17493-2008 Low alloy steel flux cored electrodes for arc welding GB/T 17493-2018 Tubular cored electrodes for creep-resisting steels SY/T 0599-2018 Natural gas ground facilities technical specifications for metal materials that resist sulfide stress cracking and stress corrosion cracking SY/T 0599-2006 The metal materials for natural gas ground facilities require resistance to sulfide stress cracking and stress corrosion cracking JB/T 6046-1992 The post-welding heat treatment methods for welded steel structures made of carbon steel and low alloy steel SY/T 0599-1997 Natural gas surface facilities require metal materials that are resistant to sulfide stress cracking GB/T 17394.1-2025 Metallic materials—Leeb hardness test—Part 1:Test method GB/Z 150-2025 Guide for magnetizing behaviour of permanent magnets