Products: LSAW steel pipe/ ERW steel pipe/ SSAW steel pipe/ SEAMLESS steel pipe


Standard: 

API Spec 5L PSL-1&PSL-2,GB/T9711-2017,ASTM A252/A36 SY/T5037/2012, EN10219/10217/10296/10210/10025
ASTM A106/A53/A500/A120,BS1387,DIN1626/670/1629,JIS3442/3444/1301,etc

Material: Q235A/B, 16Mn, X42-X80, S355JOH, S355J2H, S235JR, S275



Steel pipe material, specification, standard and its use list (Part of )

The product name

Steel Grade

specifications

Product standards

use


 10、20、35、45、Q345

￠114-325×4-30mm

GB/T8162-999

Used for general structure, mechanical structure pipe

In structure The seam steel pipe

(16Mn) Low alloy steel, etc

ASTM A53 GR.B

　

　

JIS    G3444

Low and medium pressure boiler Seamless steel pipe

10、20

￠114-325×4-30mm

GB3087-1999

Used for manufacturing various structures, low and medium pressure furnace, superheated steam pipe, boiling water pipe, etc


 Conveying fluid  Seamless steel pipe

10、20、Q295、Q345 etc

￠114-325×4-30mm

GB/T8163-999

General seamless steel tube for conveying fluid


ISO-559

Hydraulic prop Seamless steel pipe

20、35、45、27SiMn

￠114-325×4-30mm

GB/T17396-99

Steel body for hydraulic prop


High pressure boiler Seamless steel pipe

20G(ST45.8III)、P22、

￠114-325×4-30mm

GB5310-1995

High quality carbon steel, alloy steel seamless steel tube used for manufacturing    high pressure and pressure water tube boiler


P23、P91、P92、P122

(Q/BQB201-4)

 Petroleum    cracking Seamless steel pipe

10、20

￠114-325×4-30mm

GB9948-88

Seamless steel tubes for furnace tubes, heat exchanger tubes and piping in petroleum refineries


Fertilizer equipment High pressure seamless steel tube

10、20G、Q345

￠114-325×4-30mm

GB6479-86

Used to working temperature is - 400-400 ℃, working pressure for the 10-32 n/was chemical equipment and pipeline with high quality carbon steel and alloy steel seamless tube


Flat side casing

J55、N80、P110

￠139.7×7.72

APT, 5CT

For oil production

In high temperature, Carbon steel pipes

SA-106B

￠114-325×4-30mm

ASME SA-106

Used for manufacturing high pressure boilers and other equipment


ASTM A106 GR.B

Line pipe

 

A    B X42-60、

￠114-325×4-30mm

ASTM    A106/A53/

Steel pipe used for conveying gas, water and oil in petroleum and natural gas    industry

L245-415NB    L360

API 5L GR.B

　

API 5L

　

GB/T9711.1/2

　

ISO3183-1.2



The  China and other countries  carbon steel number comparison table



Steel Grade

P.R. China

U.S.

U.K.

Japan

France

      German

 

High qualitycarbonstructuresteel

GB

ASTM

BS

JIS

NF

DIN

50F

1005

015A03

 

 

D6-2

08F

≈1008

040A04

S9CK

 

USt4

08

1008

045M10

S9CK

XC6

 

10F

≈1010

040A10

 

XC10

USt13

10

1010

045M10

S10C

XC10

C10,CK10

15

1015

080M15

S15C

XC15

C15,CK15

20

1020

070M20

S20C

XC18,C22E

C22E,CK22

25

1025

070M26

S25C

C25E,XC25

CK25,C25E

30

1030

080M30

S30C

C30E,XC30

C30E,CK30

35

1035

080M36

S35C

C35E,XC42

C35E,CK35

40

1040

080M40

S40C

C4E,XC42

C40E,CK40

45

1045

080M46

S45C

C45E,XC48

C45E,CK45

50

1050

080M46

S50C

C50E

C50E,CK53

55

1055

080M50

S55C

C55E,XC55

C55E,CK55

60

1060

070M60

S58C

C60E,XC60

C60E,CK60

65

1065

060A67

 

XC65

CK67




Steel Grade

P.R. China GB

Japan JIS

U.S. ASTM

German DIN

Grade

Grade

Standard 

Grade

Grade

Material no.

Standar

Carbon Steel pipe

（Q235）

GGP STPY41

G3452 G3457

(A53 F) A283-D

(St33)

1.0033

DIN1626

10

STPG38

G3454

A135-A
A53-A

(St37)

1.0110

DIN1626

STPG38

G3456

A106-A

St37-2

1.0112

DIN17175

STS38

G3455

 

St35.8 St35.4

1.0305
     1.0309

DIN1629/4

STB30

G3461

A179-C
A214-C

St35.8

1.0305

DIN17175

STB33

G3461

A192
A226

St35.8

1.0305

DIN17175

STB35

G3461

 

St35.8

1.0305

DIN17175

20

STPG42

G3454

A315-B
A53-B

(St42)
     St42-2

1.0130
     1.0132

DIN1626

STPT42

G3456

A106-B

St45-8

1.0405

DIN17175

STB42

G3461

A106-B

St45-8

1.0405

DIN17175

STS42

G3455

A178-C
  A210-A-1

St45-4

1.0309

DIN1629/4

15MnV

STBL39

G3464