Seamless Steel Pipe Materials, Specifications, Standards And Use List

Product

Main Material

Standard

Application

Size

Alloyed Seamless Steel Pipe

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, The boiler industry's high temperature resistance,

Low temperature and corrosion resistance

Seamless steel pipe

Ф16-824×2-100 

Oil Casing Pipe

J55　　N80

API  SPEC  5CT

Oil tubing and coupling material pipe for oil Wells

Ф60-630×1.53-40

high-pressure boiler tube

20G、A106c
ST45.8/3

GB5310-95
ASTMA106-99
DIN17175-79

Heat resistant seamless steel tubes for high pressure boilers

Ф16-824×2-65

Low and medium pressure boiler tubes

10、20

GB3087-1999

Low and medium pressure boiler, super heat pipe, boiling water pipe, locomotive size smoke pipe

Ф10-530×2-40

Petroleum cracking pipe

20
12CrMo
15CrMo

GB9948-88

The furnace tubes of the petroleum refineries,

Seamless tubes for heat exchange pipes and pipes

Ф10.530×1.5-36

High pressure seamless tube for fertilizer equipment

20、16Mn、Q345

GB6479-2000

Fertilizer equipment, pipeline

Ф25-426×6-40

Hydraulic support pipe

27SiMn

GB/T17396-1998

Hydraulic support

Hydraulic prop

Ф70-377×9-40

Marine pipe

410

GB/T5312-1999

Manufacture of special pressure tubes for ships,

Tubes for boilers and super heaters

Ф14-426*1.5-4.5

Line Pipe

B级

API

Petroleum and natural gas

Industrial conveying gas,

Water, oil

Ф60-630×1.53-40

Fluid pipe

20、Q345

GB/T8163-1999

Fluids transportation

Ф8-630×1.5-40

Structure Pipe

10、20、35、45、

16Mn Q345B

GB/T8162-1999

General structural use

Ф6-610×1.5-40

Precision tube

St35、

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

CH8Ni9Ti 35Cr0

GB/T3639-2000

DIN2391

Used in automobiles, motorcycles,  engineering

Machinery, jacks, power tools and Sports equipment and other fields

Precision steel pipe

Ф4-89

Standard Code

Standard Name

ASME SA-234

Medium and high temperature used carbon and alloy steel pipe fittings

ASME SA-420

Low temperature forged carbon and alloy steel pipe fittings

ASME SA-403

Forged Durimet pipe fittings

ASME B16.9

Factory-Made wrought steel pipe fittings

ASME B16.11

Socket-welding and Threaded forged fittings

ASME B16.28

Wrought steel butt-welding short radius elbows and returns

ISO 5251

Stainless steel butt-welding fittings

MSS SP-43

Wrought stainless steel butt-welding fittings

MSS SP-75

Forging butt-welding fittings

MSS SP-79

Socket-welding reducing Inserts

MSS SP-83

Class 3000 steel socket-welding and threaded unions

MSS SP-95

Swaged nipples and round plugs

MSS SP-97

SW 、TH and BW ends for integrally reinforced forged branch outlet

JIS B2311

Universal steel butt-welding pipe fittings

JIS B2312

Steel butt-welding pipe fittings

JIS B2313

Steel plate butt-welding pipe fittings

JIS B2316

Steel socket-welding pipe fittings

DIN 2605

Steel butt-welding pipe fittings.elbows and bends

DIN 2615

Steel butt-welding pipe fittings.tees

DIN 2616

Steel butt-welding pipe fittings.reducers

DIN 2617

Steel butt-welding pipe fittings.caps

GB/T 12459

Steel butt-welding seamless fittings

GB/T 13401

Steel plate butt-welding pipe fittings

GB/T 14383

Forged steel socket-welding pipe fittings

GB/T 14626

Forged steel threaded pipe fittings