GB/T 25429-2019 Petroleum drilling and production equipment—Drill string non-return valve

GB/T 25429-2010 Specification for drill string non-return valve

GB/T 223.81-2007 Iron,steel and alloy—Determination of total aluminum and total boron contents—Microwave digestion-inductively coupled plasma mass spectrometric method GB/T 223.82-2007 Steel and iron—Determination of hydrogen content—Inert gas impulse fusion heat conductivity method GB/T 223.82-2018 Steel and iron—Determination of hydrogen content—Thermal conductivity/infrared method after fusion under inert gas GB/T 223.83-2009 Steel and iron—Determination of high sulfur content—Infrared absorption method after combustion in an induction furnace GB/T 223.84-2009 Steel and iron—Determination of titanium content—Diantipyrylmethane spectrophotometric method GB/T 223.85-2009 Steel and iron—Determination of sulfur content—Infrared absorption method after combustion in an induction furnace GB/T 223.86-2009 Steel and iron—Determination of total carbon content—Infrared absorption method after combustion in an induction furnace GB/T 223.87-2018 Iron, steel and alloy—Determination of calcium and magnesium—Inductively coupled plasma mass spectrometric method GB/T 223.88-2019 Iron,steel and alloy—Determination of calcium and magnesium contents—Inductively coupled plasma atomic emission spectrometric method GB/T 223.89-2019 Iron,steel and alloy—Determination of tellurium content—Hydride generation-atomic fluorescence spectrometric method GB/T 223.90-2021 Iron,steel and alloy—Determination of silicon content—Inductively coupled plasma atomic emission spectrometric method GB/T 223.91-2021 Iron,steel and alloy—Determination of copper—2,2′-Biquinoline spectrophotometric method GB/T 223.92-2023 Iron, steel and alloy—Determination of lanthanum, cerium, praseodymium, neodymium and samarium content—Inductively coupled plasma mass spectrometry GB/T 228.1-2010 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.1-2021 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 229-1994 Metallic materials—Charpy notch impact test GB/T 229-2007 Metallic materials—Charpy pendulum impact test method GB/T 229-2020 Metallic materials—Charpy pendulum impact test method GB/T 230.1-2004 Metallic Rockwell hardness test—Part1:Test method(scales A、B、C、D、E、F、G、H、K、N、T) GB/T 230.1-2009 Metallic materials—Rockwell hardness test—Part 1:Test method(scales A、B、C、D、E、F、G、H、K、N、T) GB/T 230.1-2018 Metallic materials—Rockwell hardness test—Part 1:Test method 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 2828.1-2003 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB 3452.1-1992 Fluid systems—Sealing devices—O-rings—Inside diameters, cross-sections, tolerances and size identification code GB/T 3452.1-2005 Fluid power systems—O-rings—Part 1:Inside diameters, cross-sections, tolerances and size identification code GB/T 3452.2-1987 Appearance quality acceptance criteria for rubber O-rings GB/T 3452.2-2007 Fluid power systems—O-rings—Part 2:Quality acceptance criteria GB/T 4336-2002 Standard test method for spark discharge atomic emission spectrometric analysis of carbon and low-Alloy steel(routine method) GB/T 4336-2016 Carbon and low-alloy steel—Determination of multi-element contents—Spark discharge atomic emission spectrometric method (routine method) 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 9445-1999 Qualification and certification for nondestructive testing personnel GB/T 9445-2005 Non-destructive testing—Qualification and certification of personnel GB/T 9445-2008 Non-destructive testing—Qualification and certification of personnel GB/T 9445-2015 Non-destructive testing—Qualification and certification of NDT personnel GB/T 9445-2024 Non-destructive testing—Qualification and certification of personnels GB/T 16783.1-2006 Petroleum and natural gas industries—Field testing of drilling fluids—Part 1:Water-based fluids GB/T 16783.1-2014 Petroleum and natural gas industries—Field testing of drilling fluids—Part 1: Water-based fluids GB/T 16783.1-2025 Petroleum and natural gas industries—Field testing of drilling fluids—Part 1:Water-based fluids GB/T 20972.1-2007 Petroleum and natural gas industries—Material for use in H2S-containing environments in oil and gas production—Part 1:General principles for selection of cracking resistant materials GB/T 20972.2-2008 Petroleum and natural gas industries—Materials for use in H2S-containing environments in oil and gas production—Part 2:Cracking-resistant carbon and low alloy steels,and the use of cast irons GB/T 20972.2-2025 Petroleum and natural gas industries—Materials for use in H2S-containing environments in oil and gas production—Part 2:Cracking-resistant carbon and low alloy steels,and the use of cast irons GB/T 20972.3-2008 Petroleum and natural gas industries—Material for use in H2S-containing environments in oil and gas production—Part 3:Cracking-resistant CRAs(corrosion-resistant alloys)and other alloys GB/T 20972.3-2025 Petroleum and natural gas industries—Materials for use in H2S-containing environments in oil and gas production—Part 3:Cracking-resistant CRAs(corrosion-resistant alloys) and other alloys GB/T 22512.2-2008 Petroleum and natural gas industries—Rotary drilling equiment—Part 2:Threading and gauging of rotary shouldered thread connections GB/T 27025-2008 General requirements for the competence of testing and calibration laboratories GB/T 27025-2019 General requirements for the competence of testing and calibration laboratories API RP MPMS 10.4 ASME　锅炉与压力容器规范　第Ⅱ卷　材料规范(2017版) ASME　锅炉与压力容器规范　第Ⅴ卷　无损检测(2017版) ASME　锅炉与压力容器规范　第Ⅷ卷　压力容器(2017版) ASME　锅炉与压力容器规范　第Ⅸ卷　焊接和钎焊要求ASTM A388/A388M ASTM A609/A609M ASTM D395 ASTM D412 ASTM D1414 ASTM D1415 ASTM D2240 ASTM E94 ASTM E140 ASTM E186 ASTM E280 ASTM E428 ASTM E446 ASTM E709 SAE AMS-H-6875