Specifications: diameter: 320 to 127 mm thickness: 0.4 to 12.7 mm Length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe

thick-walled tube, alloy tube, high pressure seamless pipe s


GB thick-walled tube, alloy tube, high pressure seamless pipe specifications are there? GB What are seamless specification
 

Product Category

The main material

Standard

Use

Specifications Range

High pressure boiler pipe

20G , A106C 
ST45.8 / 3

GB5310-95 
ASTMA106-99 
DIN17175-79

High-pressure boiler with heatSeamless steel pipe

∮ 16-824 × 2-65

 

Alloy tube

12Cr1MoV 
P22 (10CrMo910) 
T91 , P91 , P9 , T9

WB36 , Cr5Mo (P5 , STFA25 ,T5 , ) 
15CrMo (P11 , P12 , STFA22)
13CrMo44 , Cr5Mo , 15CrMo ,25CrMo , 30CrMo , 40CrMo

DIN17175-79 
JISG3467-88 
JISG3458-88

 

GB5310-95 
GB9948-88 
ASTMA335/A335m 
ASTMA213/A213m

Petroleum, chemical, electric power, 
boiler industry high temperature, 
low temperature resistance, corrosion-resistant 
seamless steel pipe

∮ 16-824 × 2-100

Stainless steel


301 302 304 304L 304H 305 316 316L 316Ti 317 317L 310S 321 321H 347H

GB/T14976-2002 GB13296-91 GB5310-95 GB6479-2000 GB9948-88 ASTM312 ASTM213

Stainless steel high pressure seamless steel 1Cr18Ni9Ti

Ф6-680 × 0.5-40

High pressureAlloy seamless steel pipe

T91/P91 , P92 , 15CrMoG ,12Cr1MoVG

GB3087-99 GB5310-95 GB6479-2000

Petroleum, chemical, electric power, 
boiler industry high temperature, 
low temperature resistance, corrosion-resistant 
seamless steel pipe

∮ 60-830 × 0.53-60

Casing

J55   N80

API SPEC 5CT

Oil well tubing, pipe couplings

∮ 60-630 × 1.53-40

Low and medium pressure boiler pipe

10 , 20

GB3087-1999

Low-pressure boiler

Superheater tubes,

Boiling water pipe, locomotive 
smoke pipe sizes

∮ 10-530 × 2-40

Petroleum cracking tube

20 
12CrMo 
15CrMo

GB9948-88

Refined petroleum refining furnace tubes, heat exchange tubes, seamless pipes

∮ 10.530 × 1.5-36

Fertilizer equipment with high-pressure seamless pipe

20 , 16Mn , Q345

GB6479-2000

Fertilizer equipment, piping

∮ 25-426 × 6-40

Hydraulic prop tube

27SiMn

GB/T17396-1998

Hydraulic support

Hydraulic prop

∮ 70-377 × 9-40

Marine tube

410

GB/T5312-1999

Special pressure vessel manufacturing pipes, boilers and Superheater Tube

∮ 14-426 * 1.5-4.5

Pipeline

B grade

API

Oil, gas and natural gas industries,

Water, oil,

∮ 60-630 × 1.53-40

Fluid tube

20 , Q345

GB/T8163-1999

Fluid transport

∮ 8-630 × 1.5-40

Structural tube

10 , 20 , 35 , 45 ,

16Mn? Q345B

GB/T8162-1999

General Structure

∮ 6-610 × 1.5-40

Precision Tube


St35 St37.4 (10 #) St45 (20 #) St55 (35 #) Ck45 (45 #) 
St52 (16Mn) CH8Ni9Ti 35Cro

GB/T3639-2000

DIN2391

Used in other areas of automobile, motorcycle, engineering machinery, jack, power tools and sports equipment usedPrecision Steel

∮ 4-89

 

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