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Address: #101，No.6 Gaoxin Road，East Lake Hi-Tech Development District，Wuhan，P.R.China
#2，Guangzhou Road，Tuanchenshan Development District，Huangshi，P.R.China
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Chemical composition analysis of metal materials
GB/T 222-2006 steel finished product chemical composition tolerance
GB/T 223.X series Steel and alloys Determination of X content
GB/T 4336—2002 Carbon steel and medium-low alloy steel spark source atomic emission spectrometry method （conventional method）
GB/T 4698.X series Chemical analysis methods for titanium, titanium and titanium alloys - Determination of X
GB/T 5121.X series - Methods for chemical analysis of copper and copper alloys - Part X: Determination of X content
GB/T 5678-1985 casting alloy spectral analysis sampling method
GBT 6987.X series Chemical analysis methods for aluminum and aluminum alloys……
GB/T 7999-2007 Aluminum and aluminum alloy photoelectric direct reading emission spectrum analysis method
GB/T 11170—2008 Determination of multi-element content of sparks by spark discharge atomic emission spectrometry （conventional method）
GB/T 11261—2006 Determination of oxygen content of pulsed heating inert gas fusion-infrared method
GB/T 13748.X series Magnesium and magnesium alloys chemical analysis methods Part X X content determination ……
Metallic material physical metallurgical test method
GB/T 224—2008 steel decarburization layer depth measurement method
GB/T 225—2006 End quenching test method for steel hardenability （Jominy test）
GB/T 226—2015 steel low-fold structure and defect acid etching test
GB/T 227—1991 Tool steel hardenability test method
GB/T 1954—2008 chrome-nickel austenitic stainless steel weld ferrite content measurement method
GB/T 1979-2001 structural steel low-fold tissue defect rating map
GB/T 1814—1979 Steel Fracture Inspection Method
GB/T 2971—1982 carbon steel and low alloy steel fracture test method
GB/T 3246.1—2012 Methods for the inspection of microstructures of deformed aluminium and aluminium alloys - Part 1
GB/T 3246.2—2012 Methods for the inspection of microstructures of deformed aluminium and aluminium alloys - Part 2
GB/T 3488—1983 Metallographic determination of microstructure of cemented carbide
GB/T 3489-1983 Metallographic determination of porosity and non-combined carbon of cemented carbide
GB/T 4236-1984 steel sulfur printing inspection method
GB/T 4296-2004 wrought magnesium alloy microstructure inspection method
GB/T 4297-2004 anamorphic magnesium alloy low-power structure inspection method
GB/T 4334—2008 Corrosion of metals and alloys
GBT 4335—2013 Determination of ferrite grain size of low carbon steel cold rolled sheet
GB/T 4334.6—2015 stainless steel 5% sulfuric acid corrosion test method
GB/T 4462-1984 high speed tool steel bulk carbide rating chart
GB/T 5058-1985 Determination method of isothermal transformation curve of steel （magnetic method）
GB/T 5168—2008 α-β titanium alloy high and low microstructure inspection method
GB/T 5617-2005 Determination of the effective hardened layer depth after induction hardening or flame quenching of steel
Quantitative analysis of carbide phase in high speed steel GB/T 8359-1987 X-ray diffractometry
GB/T 8362—1987 quantitative determination of retained austenite in steel X-ray diffractometry
GB/T 9450—2005 Determination and check of the depth of carburizing and hardening layer of steel
GB/T 9451—2005 Determination of the depth of the total hardened layer or the depth of the effective hardened layer on the thin surface of steel
GB/T 10561-2005 Determination of non-metallic inclusions in steel - Standard s
GB/T 10851—1989 casting aluminum alloy pinhole
GB/T 10852—1989 casting aluminum-copper alloy grain size
GB/T 11354—2005 Depth measurement of nitriding layer of steel parts and metallographic examination
GB/T 13298-2015 metal microstructure inspection method
GB/T 13299-1991 steel microstructure inspection method
GB/T 13302—1991 Method for microscopic evaluation of graphite carbon in steel
GB/T 13305—2008 Metallographic method for determination of α-phase area content in stainless steel
GB/T 13320—2007 Steel die forgings Metallographic organization rating chart and evaluation method
GB/T 13825—2008 Metallic coatings Hot-dip galvanizing unit area weighing method for ferrous materials
GB/T 13912—2002 Metallic coatings Technical requirements and test methods for hot dip coating of steel parts
GB/T 14979-1994 Steel eutectic carbide non-uniformity evaluation method
GB/T 15711-1995 steel tower shape hairline acid leaching test method
GB/T 30823—2014 Test method for nickel alloy probes for determining the cooling performance of industrial quenching oil
GB/T 14999.1—2012 Test methods for superalloys - Part 1
GB/T 14999.2-2012 test methods for high-temperature alloys - Part 2
GB/T 14999.3-2012 test methods for high-temperature alloys - Part 3
GB/T 14999.4-2012 test methods for high-alloys - Part 4: Determination of grain structure and primary carbide distribution of rolled high-temperature alloy strips
YB/T 4002—2013 continuous casting steel billet low-fold tissue defect rating map
Test method for mechanical properties of metallic materials
GB/T 228.1—2010 Metallic materials Tensile test Part 1: Room temperature test method
GB/T 228.2—2015 Metallic materials - Tensile test - Part 2: High temperature test method
GB/T 229—2007 Metallic materials Charpy pendulum impact test method
GB/T 230.1—2009 Metallic materials - Rockwell hardness test - Part 1: Test methods （A, B, C, D, E, F, G, H, K, N, T scales）
GB/T 231.1—2009 Metallic materials Brinell hardness test Part 1: Test method
GB/T 232—1999 Metallic materials Bending test method
GB/T 233—2000 Metal materials, upsetting test method
GB/T 235—2013 Metallic materials Sheets and strips Repeated bending test method
GB/T 238—2013 Metallic materials Wire rods Repeated bending test method
GB/T 239.1-2012 Metallic materials - Wires - Part 1
GB/T 239.2—2012 Metallic materials Wires - Part 2: Two-way torsion test method
GB/T 241—2007 metal pipe hydraulic test method
GB/T 242—2007 metal pipe flaring test method
GB/T 244—2008 Metal tube bending test method
GB/T 245—2008 metal pipe crimping test method
GB/T 246—2007 metal tube flattening test method
GB/T 1172—1999 ferrous metal hardness and strength conversion value
GB/T 2038—1991 Metallic materials ductile fracture toughness JIC test method
GB/T 2039—2012 Metallic materials uniaxial tensile creep test method
GB/T 2107—1980 metal high temperature rotating bending fatigue test method
GB/T 2358—1994 Test method for crack tip opening displacement of metallic materials
GB/T 2975—1998 Steel and steel products, mechanical properties test sampling position and sample preparation
GB/T 3075—2008 Metal materials Fatigue test Axial force control method
GB/T 3250—2007 aluminum and aluminum alloy rivet line and rivet shear test method and rivet line riveting test method
GB/T 3251—2006 Aluminum and aluminum alloy pipe compression test method
GB/T 3252—1982 Aluminum and aluminum alloy rivet line and rivet shear test method
GB/T 3771—1983 copper alloy hardness and strength conversion value
GB/T 4156—2007 Metallic materials Thin plate and thin strip Eriksson cupping test
GB/T 4158-1984 metal Izod impact test method
GB/T 4160—2004 steel strain aging sensitivity test method （Charpy impact method）
GB/T 4161—2007 Metallic materials Plane strain fracture toughness KIC test method
GB/T 4337—2008 Metal materials Fatigue test Rotational bending method
GB/T 4338—2006 high temperature tensile test method for metallic materials
GB/T 4340.1—2009 Metallic materials - Vickers hardness test - Part 1: Test method
GB/T 4340.2—2012 Metallic materials - Vickers hardness test - Part 2: Examination and calibration of hardness testers
GB/T 4340.3—2012 Metallic materials - Vickers hardness test - Part 3: Calibration of standard hardness blocks
GB/T 4341.1—2014 Metallic materials Shore hardness test Part 1: Test methods
GB/T 5027—2007 Determination of plastic strain ratio （r value） of thin plates and strips
GB/T 5028—2008 Determination of tensile strain hardening index （n value） of thin sheets and strips of metallic materials
GB/T 5482—2007 Metallic material dynamic tear test method
GB/T 6398—2000 Test method for fatigue crack growth rate of metallic materials
GB/T 6400—2007 Metallic materials Wire and rivet shear test method
GB/T 7314—2005 Metallic material room temperature compression test method
GB/T 7732—2008 Metallic materials - Test method for fracture toughness of tensile specimens
GB/T 7733—1987 Metal rotary bending corrosion fatigue test method
GB/T 10120—2013 Metallic materials Tensile stress relaxation test method
GB/T 10128—2007 Metallic materials, room temperature torsion test method
GB/T 10622—1989 Metallic materials rolling contact fatigue test method
GB/T 10623—2008 Metallic materials Mechanical properties test terminology
GB/T 12347—2008 wire rope bending fatigue test method
GB/T 12443—2007 Metal materials Torsional stress fatigue test method
GB/T 12444—2006 Metallic materials Abrasion test method Test ring-test block sliding wear test
GB/T 12778—2008 Metal Charpy impact fracture determination method
GB/T 13239—2006 Metallic materials Low temperature tensile test method
GB/T 13329—2006 Metallic materials Low temperature tensile test method
GB/T 14452-1993 Test method for metal bending mechanical properties
GB/T 15248—2008 axial equal amplitude low cycle fatigue test method for metal materials
GB/T 15824—2008 hot work die steel thermal fatigue test method
GB/T 16865—2013 Samples and methods for tensile test of deformed aluminum, magnesium and alloy processed products
GB/T 17104—1997 Metal pipe pipe ring tensile test method
GB/T 17394.1—2014 Metallic materials - Hardness test - Part 1 Test method
GB/T 17394.2—2012 Metallic materials - Hardness test - Part 2: Examination and calibration of hardness testers
GB/T 17394.3-2012 Metallic materials - Hardness test - Part 3: Calibration of standard hardness blocks
GB/T 17394.4—2014 Metallic materials, Hardness test - Part 4 Hardness value conversion table
GB/T 17600.1—1998 Conversion of elongation of steel Part 1: Carbon steel and low alloy steel
GB/T 17600.2—1998 Conversion of elongation of steel Part 2 Austenitic steel
GB/T 26077—2010 Metal materials Fatigue test Axial strain control method
GB/T 22315—2008 Metallic materials, elastic modulus and Poisson's ratio test method
Non-destructive testing method for metal materials
Ultrasonic inspection method for forged round cakes GB/T 1786-2008
GB/T 2970-2004 thick steel plate ultrasonic inspection method
GB/T 3310—1999 copper alloy bar ultrasonic testing method
GB/T 4162—2008 ultrasonic testing method for forged steel bars
GB/T 5097—2005 Non-destructive testing Penetration testing and magnetic particle testing Observing conditions
GB/T 5126—2001 Aluminum and aluminum alloy cold drawn thin-walled pipe eddy current testing method
GB/T 5193—2007 Ultrasonic flaw detection method for titanium and titanium alloy processing products
GB/T 5248—2008 copper and copper alloy seamless tube eddy current testing method
GB/T 5616—2014 Non-destructive testing Application guidelines
GB/T 5777-2008 seamless steel tube ultrasonic flaw detection test method
GB/T 6402—2008 Ultrasonic testing method for steel forgings
GB/T 6519-2013 ultrasonic testing method for deformed aluminum and magnesium alloy products
GB/T 7233.1—2009 Ultrasonic testing Part 1: General purpose steel castings
GB/T 7233.2—2010 Steel castings - Ultrasonic testing - Part 2: High-pressure steel castings
GB/T 7734—2004 Composite steel plate ultrasonic inspection
GB/T 7735—2004 steel pipe eddy current testing method
GB/T 7736—2008 Low-defect ultrasonic testing method for steel
GB/T 8361—2001 Ultrasonic flaw detection method for cold drawn round steel surface
GB/T 8651—2002 method for ultrasonic testing of sheet metal
GB/T 8652—1988 ultrasonic high-strength steel ultrasonic testing method