GB standards are the Chinese national standards issued by the Standardization Administration of China (SAC), the Chinese National Committee of the ISO and IEC.GB stands for Guobiao ( traditional Chinese: 國標; pinyin: Guóbiāo), Chinese for national standard.
GB T8162 Structure Pipe 10 20 35 45 40Mn2 45Mn2 27SiMn 20Cr 40Cr 20CrMo 35CrMo 38CrMoA1 50CrV 30CrMnSi
GB T14975 Structure for Stainless seamless Tube mechanical structure,fluid pipeline,passing heat equipment of boiler,heat converter,congealed equipment,catalytic pipeline 0Cr18Ni9 1Cr18Ni9 00Cr19Ni10 0Cr18Ni10Ti 0Cr18Ni11Nb 0Cr17Ni12Mo2 00Cr17Ni14Mo2 0Cr18Ni12Mo2Ti 1Cr18Ni12Mo2Ti 0Cr18Ni12Mo3Ti 1Cr18Ni12Mo3Ti 1Cr18Ni9Ti 0Cr19Ni13Mo3 00Cr19Ni13Mo3 0Cr13 1Cr17 1Cr13 2Cr13
GB T8163 Seamless Pipe For Fluid Pipe 10 20 Q295 Q345
GB T14976 Stainless Seamless Pipe For Fluid Pipe 0Cr18Ni9 00Cr19Ni10 0Cr23Ni13 0Cr25Ni20 0Cr18Ni10Ti 0Cr18Ni11Nb 0Cr17Ni12Mo2 00Cr17Ni14Mo2 0Cr19Ni13Mo3 00Cr19Ni13Mo3 0Cr18Ni12Mo2Ti 1Cr18Ni12Mo2Ti 1Cr18Ni12Mo2Ti 0Cr18Ni12Mo3Ti 1Cr18Ni12Mo3Ti 0Cr18Ni12Mo2Cu2 00Cr18Ni14Mo2Cu2 0Cr13 0Cr26Ni5Mo2
GB T3090 Small Diameter Stainless Steel Pipe 1Cr18Ni9Ti
GB T3089 Stainless-steel super-thin thickness and seamless steel pipe 00Cr18Ni10 1Cr18Ni9Ti 00Cr17Ni14Mo2 1Cr18Ni12Mo2Ti 1Cr18Ni12Mo3Ti
GB T3639 Cold Rolled Precision Seamless Pipe 10 20 35 45 16Mn
GB3094 Cold Rolled Seamless Specials Pipe ( Oval Square Rectangular Hexagon) 10 15 20 25 30 35 40 45 50 09MnV 16Mn 15Mnv
YB T5053 Seamless Pipe For Automotive Bushing 45 45Mn2 40Cr 20CrNi3A
GB T5312 Carbon Steel or Carbon Manganese Steel Seamless Pipe for Ship Building Q320 Q360 Q410 Q460 Q490 Q500 Q510
GB T3093 High Pressure Seamless Pipe For diesel engine 20A
GB T8713 Precision In Diameter Seamless Steel Pipe For Fluid Power Cylinder 10 20 35 45 16Mn
GB T3087 Seamless Steel Pipe For Low and Medium Pressure Boiler 10 20
GB T5130 Seamless Steel Pipe For High Pressure Boiler 20G 20MnG 25MnG 15MoG 20MoG 12CrMoG 15CrMoG 12Cr2MoG 12Cr1MoVG 12Cr2MoWVTiB 12Cr3MoVSiTiB 10Cr9Mo1VNb 1Cr18Ni9 1Cr19Ni11Nb
GB T13296 Stainless Seamless Steel for Boiler and Heat Exchanger Tubes 0Cr18Ni9 1Cr19Ni9 00Cr19Ni10 2Cr23Ni13 0Cr23Ni13 0Cr23Ni13 2Cr25Ni20 0Cr17Ni12Mo2 1Cr17Ni12Mo2 0Cr17Ni14Mo2 0Cr19Ni13Mo3 00Cr19Ni13Mo3 1Cr18Ni9Ti 0Cr18Ni10Ti 1Cr18Ni11Ti 0Cr19Ni11Nb 1Cr19Ni11Nb 0Cr18Ni13Si4 1Cr18Ni12Mo2Ti 0Cr18Ni12Mo2Ti 1Cr18Ni12Mo2Ti 1Cr18Ni12Mo3Ti 0Cr26Ni5Mo2 1Cr17 00Cr27Mo 1Cr25Ti
GB T6479 High Pressure Seamless Pipe For Chemical Fertilizer Equipment High Pressure seamless Pipe for Fertihzer Equipment 10 20G 16Mn 15MnV 10MoWVNb 12CrMo 15CrMo 1Cr5Mo 12Cr2Mo
GB T9948 Seamlesss steel tube for petroleum cracking 10 20 12CrMo 15CrMo 1Cr2Mo 1Cr5Mo 1Cr19Ni9 1Cr19Ni11Nb
YB T5052 Geological Drilling Pipe Seamless Pipe For Diamond Core Boring DZ65-27MnMoVB
GB T17396 Hot Rolled Seamless Pipe For Hydraulic Cylinder 20 35 45 27SiMn 30MnNbRE
BQB 232 Tubes for Perforating Gun
GB 11258 Fluoride Resin Coated Double Wall Steel Pipes for Automobiles 08 08F 08A1
GB T3091 Welded Pipe And For the Low Pressure Fluids & Galvanized（Zinc Coated）Welded Pipe And For the Low Pressure Fluids Q195 Q215 Q235A
GB T3092 Welded Pipe And For the Low Pressure Fluids & Galvanized（Zinc Coated）Welded Pipe And For the Low Pressure Fluids Q195 Q215 Q235A
GB T14980 Large Diameter Electric Welded For the Low Pressure Fluids For the Low Pressure Fluids Q215 Q235A Q235B
GB T12771 Stainless Steel Welded Pipe For the Low Pressure Fluids 1Cr18Ni9 0Cr19Ni9 0Cr19Ni11 0Cr25Ni20 0Cr17Ni12Mo2 00Cr17Ni14Mo2 0Cr18Ni11Ti 0Cr18Ni11Nb 00Cr17 00Cr18Mo2 0Cr13
YB T4102 Welded Pipe For the Low Pressure Fluids For Low and Middle Boiler 10 20
YB 4103 Carbon Steel Tubes for Boiler and Heat Exchaner 10
YB T5209 Electric Resistance Welded Steel Pipe For Power Transmission Shaft 08Z 15TiZ 20Z 25Z
GB T12700 Stainless Steel Welded Pipe For Machine Structural Purposed 00Cr19Ni11 00Cr17Ni14Mo2 0Cr19Ni9 1Cr18Ni9 1Cr18Ni9Ti 0Cr17Ni12Mo2 0Cr18Ni11Nb 0Cr25Ni20 1Cr17 1Cr15 0Cr13 1Cr13
GB T13792 Electric Welded Steel Pipe For Conveyor Support Q215 Q235
YB T4028 Pump Electric Welded Steel Pipe For Deep Subsurface Water
GB T14291 Electric Welded Steel Pipe For Mining Fluid Q235A Q235B
GB T3640 General Carbon Conduits Pipe Clip
GB T3641 P3 Zinc Coated Metal Smoke Tube
GB T3642 S type brazed Stainless Metal Smoke Tube 1Cr18Ni9Ti
SGG262 Cold Rolled Minute Steel Pipe for Automobile, and Shock Absorber of Motorcycle 10 20 35 45
GB - Seamless
GB T17395 Seamless Steel PipeGB T8162 Structure Pipe 10 20 35 45 40Mn2 45Mn2 27SiMn 20Cr 40Cr 20CrMo 35CrMo 38CrMoA1 50CrV 30CrMnSi
GB T14975 Structure for Stainless seamless Tube mechanical structure,fluid pipeline,passing heat equipment of boiler,heat converter,congealed equipment,catalytic pipeline 0Cr18Ni9 1Cr18Ni9 00Cr19Ni10 0Cr18Ni10Ti 0Cr18Ni11Nb 0Cr17Ni12Mo2 00Cr17Ni14Mo2 0Cr18Ni12Mo2Ti 1Cr18Ni12Mo2Ti 0Cr18Ni12Mo3Ti 1Cr18Ni12Mo3Ti 1Cr18Ni9Ti 0Cr19Ni13Mo3 00Cr19Ni13Mo3 0Cr13 1Cr17 1Cr13 2Cr13
GB T8163 Seamless Pipe For Fluid Pipe 10 20 Q295 Q345
GB T14976 Stainless Seamless Pipe For Fluid Pipe 0Cr18Ni9 00Cr19Ni10 0Cr23Ni13 0Cr25Ni20 0Cr18Ni10Ti 0Cr18Ni11Nb 0Cr17Ni12Mo2 00Cr17Ni14Mo2 0Cr19Ni13Mo3 00Cr19Ni13Mo3 0Cr18Ni12Mo2Ti 1Cr18Ni12Mo2Ti 1Cr18Ni12Mo2Ti 0Cr18Ni12Mo3Ti 1Cr18Ni12Mo3Ti 0Cr18Ni12Mo2Cu2 00Cr18Ni14Mo2Cu2 0Cr13 0Cr26Ni5Mo2
GB T3090 Small Diameter Stainless Steel Pipe 1Cr18Ni9Ti
GB T3089 Stainless-steel super-thin thickness and seamless steel pipe 00Cr18Ni10 1Cr18Ni9Ti 00Cr17Ni14Mo2 1Cr18Ni12Mo2Ti 1Cr18Ni12Mo3Ti
GB T3639 Cold Rolled Precision Seamless Pipe 10 20 35 45 16Mn
GB3094 Cold Rolled Seamless Specials Pipe ( Oval Square Rectangular Hexagon) 10 15 20 25 30 35 40 45 50 09MnV 16Mn 15Mnv
YB T5053 Seamless Pipe For Automotive Bushing 45 45Mn2 40Cr 20CrNi3A
GB T5312 Carbon Steel or Carbon Manganese Steel Seamless Pipe for Ship Building Q320 Q360 Q410 Q460 Q490 Q500 Q510
GB T3093 High Pressure Seamless Pipe For diesel engine 20A
GB T8713 Precision In Diameter Seamless Steel Pipe For Fluid Power Cylinder 10 20 35 45 16Mn
GB T3087 Seamless Steel Pipe For Low and Medium Pressure Boiler 10 20
GB T5130 Seamless Steel Pipe For High Pressure Boiler 20G 20MnG 25MnG 15MoG 20MoG 12CrMoG 15CrMoG 12Cr2MoG 12Cr1MoVG 12Cr2MoWVTiB 12Cr3MoVSiTiB 10Cr9Mo1VNb 1Cr18Ni9 1Cr19Ni11Nb
GB T13296 Stainless Seamless Steel for Boiler and Heat Exchanger Tubes 0Cr18Ni9 1Cr19Ni9 00Cr19Ni10 2Cr23Ni13 0Cr23Ni13 0Cr23Ni13 2Cr25Ni20 0Cr17Ni12Mo2 1Cr17Ni12Mo2 0Cr17Ni14Mo2 0Cr19Ni13Mo3 00Cr19Ni13Mo3 1Cr18Ni9Ti 0Cr18Ni10Ti 1Cr18Ni11Ti 0Cr19Ni11Nb 1Cr19Ni11Nb 0Cr18Ni13Si4 1Cr18Ni12Mo2Ti 0Cr18Ni12Mo2Ti 1Cr18Ni12Mo2Ti 1Cr18Ni12Mo3Ti 0Cr26Ni5Mo2 1Cr17 00Cr27Mo 1Cr25Ti
GB T6479 High Pressure Seamless Pipe For Chemical Fertilizer Equipment High Pressure seamless Pipe for Fertihzer Equipment 10 20G 16Mn 15MnV 10MoWVNb 12CrMo 15CrMo 1Cr5Mo 12Cr2Mo
GB T9948 Seamlesss steel tube for petroleum cracking 10 20 12CrMo 15CrMo 1Cr2Mo 1Cr5Mo 1Cr19Ni9 1Cr19Ni11Nb
YB T5052 Geological Drilling Pipe Seamless Pipe For Diamond Core Boring DZ65-27MnMoVB
GB T17396 Hot Rolled Seamless Pipe For Hydraulic Cylinder 20 35 45 27SiMn 30MnNbRE
BQB 232 Tubes for Perforating Gun
GB - Welded
GB T13793 Buttweld Electric Resistance Welded Pipe 08F 08 10F 10 15F 15 20 Q195 Q195A Q195B Q235A Q235BGB 11258 Fluoride Resin Coated Double Wall Steel Pipes for Automobiles 08 08F 08A1
GB T3091 Welded Pipe And For the Low Pressure Fluids & Galvanized（Zinc Coated）Welded Pipe And For the Low Pressure Fluids Q195 Q215 Q235A
GB T3092 Welded Pipe And For the Low Pressure Fluids & Galvanized（Zinc Coated）Welded Pipe And For the Low Pressure Fluids Q195 Q215 Q235A
GB T14980 Large Diameter Electric Welded For the Low Pressure Fluids For the Low Pressure Fluids Q215 Q235A Q235B
GB T12771 Stainless Steel Welded Pipe For the Low Pressure Fluids 1Cr18Ni9 0Cr19Ni9 0Cr19Ni11 0Cr25Ni20 0Cr17Ni12Mo2 00Cr17Ni14Mo2 0Cr18Ni11Ti 0Cr18Ni11Nb 00Cr17 00Cr18Mo2 0Cr13
YB T4102 Welded Pipe For the Low Pressure Fluids For Low and Middle Boiler 10 20
YB 4103 Carbon Steel Tubes for Boiler and Heat Exchaner 10
YB T5209 Electric Resistance Welded Steel Pipe For Power Transmission Shaft 08Z 15TiZ 20Z 25Z
GB T12700 Stainless Steel Welded Pipe For Machine Structural Purposed 00Cr19Ni11 00Cr17Ni14Mo2 0Cr19Ni9 1Cr18Ni9 1Cr18Ni9Ti 0Cr17Ni12Mo2 0Cr18Ni11Nb 0Cr25Ni20 1Cr17 1Cr15 0Cr13 1Cr13
GB T13792 Electric Welded Steel Pipe For Conveyor Support Q215 Q235
YB T4028 Pump Electric Welded Steel Pipe For Deep Subsurface Water
GB T14291 Electric Welded Steel Pipe For Mining Fluid Q235A Q235B
GB T3640 General Carbon Conduits Pipe Clip
GB T3641 P3 Zinc Coated Metal Smoke Tube
GB T3642 S type brazed Stainless Metal Smoke Tube 1Cr18Ni9Ti
SGG262 Cold Rolled Minute Steel Pipe for Automobile, and Shock Absorber of Motorcycle 10 20 35 45
