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 880-940℃
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.
Hot Tags: China gb 20g carbon steel pipe for boiler, 20G Manufacturers, suppliers, 20G factory, company
HSH stocks a broad range of metal materials, including aluminum, steel, stainless steel, copper and brass, and specialty metals. Also, we also sell cast fittings, cast Iron, forged fittings, cutting tools, flanges, ect. If you have any needs about our products, you can contact us.
sales@metal-pipe.com
,
HSH stocks a broad range of metal materials, including aluminum, steel, stainless steel, copper and brass, and specialty metals. Also, we also sell cast fittings, cast Iron, forged fittings, cutting tools, flanges, ect. If you have any needs about our products, you can contact us.
sales@metal-pipe.com