Seamless pipes Specifications and Execution Standard

We can makes and markets cold-drawn and hot rolled seamless steel pipes and cold-drawn special-section seamless pipes which are widely applied in the industries of petrochemical, boiler, automobile, mechanical, construction, chain, electric of the company is 80000t. Our factories through ISO9001:2000 certificate, has aggressive leadships and outstanding professionals.

Specifications:

Size: (6 - 680) x (0.5 - 87) mm, but we can also produce other specification according to the customers requirements.

Categorg	Material	Standards	Dimension range	Application
seamless steel pipe	10#, 20#, 35#, 45#, 16Mn 27SiMn	GB8162-1999 GB8163-1999 GB3087-1999 GB5310-1995 ST45.8, Ⅲ GB6479-1986 GB9948-1988 GB5312-1999	O.D.6-824×2-100
Structural pipe	20, 35, 45	GB/T8162-1999	O.D.6-610×1.5-40	General structure application
Liquid pipe	20	GB/T8163-1999	O.D.8-610×1.5-40	fluid transportation application
Low and medium pressure boiler pipe	20	GB3087-1999	O.D.10-426×2-40	Low-medium pressure boiler of superheater tube, boiling water pipes, size of locomotive tobacco pipe
seamless steel pipe	Gr5Mo(P5, STFA25, T5, ) 15GrMo(P11, P12, STFA22) 13GrMo44 12Gr1MoV P22(10GrMo910) T91, P91, P9, T9 WB36	GB5310-1995 GB9948-1988 ASTMA335/A335m ASTMA213/A213m DIN17175-79 JISG3467-88 JISG3458-88	O.D.16-824×2-100	Petroleum, chemical, electric power, high temperature, low temperature resistant and corrosion-resistant seamless steel pipes in boiler industry.
Oil cracking tube	20 12Gr1MoV 15GrMo	GB9948-88	O.D.10-530×1.5-60	used for petroleum refining plant of furnace tubes, heat exchange tubes, seamless pipe furnace tubes, heat exchange tubes, seamless pipe
High Pressure Boiler Tube	20G, SA106c ST45.8/3	GB5310-95 ASTMA106-99 DIN17175-79	O.D.16-824×2-65	Heat-resistant high-pressure boiler seamless steel pipe
16Mn seamless steel pipe	16Mn	GB8162	O.D.22-630×2-30
Hydraulic prop tube	27SiMn	GB/T17396-1998	O.D.70-377×12-40	Hydraulic bracket
chemical fertilizer equipment tube	20, 16Mn, Q345	GB6479-2000	O.D.25-426×6-40	Fertilizer equipment, pipeline

JIS Number and Corrensponding Foreign Standards

JIS

ASTM

BS

DIN

NF

ISO

Index Number

Std.No

Grade

Type

Std.No

Grade

Type

Std.No

Grade

Type

Std.No

Grade

Type

Std.No

Grade

Type

Std.No

Grade

Type

G3456

STPT370 (STPT38)

C

A106

GrA

C

3602

HFS360

C

17175

St35.8

C

A49-211

TU37b

C

2604/2

TS5

C

C004

"

CFS360

C

17177

St37.8

C

A49-213

TU37c

C

2604/3

TW9H

C

"

ERW360

C

A49-243

TU37c

C

"

CEW360

C

STPT410 (STPT42)

C

A106

GrB

C

3602

HFS410

C

17175

St45.8

C

A49-211

TU42b

C

2604/2

TS9H

C

"

CFS410

C

17177

St42.8

C

A49-213

TU42c

C

"

ERW410

C

A49-243

TU42c

C

"

CEEW410

C

STPT480 (STPT42)

C

A106

GrC

C

3602

HFS460

C

A49-211

TU48b

C

2604/2

TS14

C

"

CFS460

C

A49-213

TU48c

C

"

ERW460

C

"

CEEW460

C