GB5310 20g Carbon Steel Seamless Pipe, Boielr Pipe, Heat Exchanger and Condenser Tubing

• After-sales Service: Supplied
• Warranty: 30 Years
• Type: Seamless
• Technique: Cold Drawn
• Material: Carbon Steel
• Surface Treatment: Varnishing
• Model NO.: Carbon Steel Pipe
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
• Section Shape: Round
• Applicaiton: Electric/Nuclear Power
• Applicaiton2: Oil and Gas Exploitation
• Applicaiton3: Oil Refining
• Applicaiton4: Chemical&Fine Chemical Industry
• Applicaiton5: Coal Chemical Industry
• Applicaiton6: Offshore Engineering&Shipbuilding
• Applicaiton7: Seawater Desalination&Water Treatment
• Applicaiton8: Natural Gas
• Applicaiton9: Instrumentation Tubing
• Applicaiton10: Heat Exchanger/Condenser/Heat Transfer/Rradiator
• Applicaiton11: Chemical Fertilizer/Fibre
• Applicaiton12: Sanitary Tube
• Applicaiton13: Aviation&Aerospace
• Applicaiton14: Oilfield
• Applicaiton15: Tanker
• Transport Package: Plywood Case, Bundled with Plastic Bags
• Specification: OD 17.2-168.3mm
• Trademark: EZS
• Origin: China
• HS Code: 73043190
• Production Capacity: 200000 Tons/Year

Product Description

Product Description

Chinese standard GB5310 is specified for high quality carbon structural steel, alloy structural steel and stainless heat resisting steel seamless steel pipe used in steam boiler pipelines with high pressure and above.GB5310 steel tube materials mainly include high quality carbon steel ( 20G), alloy steel (12CrMoG, 15CrMoG), heat resistant steel (12Cr2MoG, 15Cr5MoG, 12Cr1MoVG, 10CrMo910 and so on).20G is the most commonly used carbon steel material in GB5310.

 

OD:16-824mm

WT: 2-65mm

Length: 6-12m

Heat treatment:Normalizing 880-940ºC

 

20G Chemical composition:

C	Si	Mn	P	S
0.17-0.23	0.17-0.37	0.35-0.65	≤0.0.25	≤0.0.25

 

20G Physical property:

 

Grades	Yield Strength min,ksi(MPa)	Tensile Strength min, ksi(MPa))	Elongation %
20G	410-550	245	22

 

Specification of GB5310 20G seamless steel pipe:

83*13	127*10	168*20	245*27
83*14	127*17	168*32	245*32
89*16	133*16	180*21	273*27
95*9.2	133*16	180*22	273*30
95*10	133*22	180*25	273*36
95*15	140*18	180*40	299*30
102*14	146*14	194*21	325*30
114*9.2	152*17	203*26	377*35
114*10	159*16	219*22
114*19	159*21	219*25

The 20G seamless steel tube is mainly used for general boiler purposes and can also be used for furnace tubes, heat exchanger tubes and seamless tubes for pipelines in petroleum refineries. As a professional boiler steel pipe supplier and manufacturer, except the chemical composition and various mechanical properties ,the 20G steel pipe we supply can also guaranteed the water pressure, flattening, flaming tests as well as the surface quality and non-destructive inspection.

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