Product name

specifications

Steel grade

standards

Typical usage

  outer diameter(mm)

Thickness(mm)

Low or Middle 

Pressure Boiler pipe

140-340

6.0-30

10#

GB3087

Low and medium pressure boiler header, steam pipes

20#

High-pressure

Boiler pipe

140-340

6.0-40

20G

GB5310

For chemical fertilizer pipe, oil pipe, gas pipe, fluid pipe, boiler pipe and so on.

20MnG

25MnG

15MoG

20MoG

15CrMoG

12Cr1MoVG

St35.8,St45.8

DIN17175

SA106A/B/C

ASME  SA106ASME  SA210ASME  SA213ASME  SA335

SA210A/B/C

T2/P2

T11/P11

T12/P12

T22/P22

T91/P91

Product name

specifications

Steel grade

standards

Typical usage

Out diametermm(in)

thicknessmm

Fluid pipe

140-340

6-30

20#,Q295,Q345

GB/T8163

For the transportation

Of gas, liquid and powder

Pipeline tube

L245,L290,L320,L360,L390,L415

GB/T9711.1GB/T9711.2ISO3183-1ISO3183-2

For the purpose of transportation

Of gas, water, oil in oil and

Gas industry.

A,B,X42,X46,X56,X60,X65

API  Spec  5L

B

ASTM  A53ASTM  A106

OCTG Pipe

6-40

API J55-API P110

API5CT

Used for extracting petroleum and natural gas

Ductile iron pipe

98-1265

6-17

GB/T13295-91

Water and gas

project