STANDARD

STEEL GRADE

APPLICATION

GB5310 6479 9948

Cr5Mo Cr9Mo 15CrMoG 12cr1movg

Specification for  alloy steel pipe

ASTM A335

P9 P5 P11

 P22 P12  P91 P1

Black Steel Pipe

DIN17175

13CrMo44 10CrMo910

Seamless alloy steel tube or High Temperature Service

JIS G3458

STPA12/20/22/23/24/25/26

Seamless Cold-Drawn alloy steel tubeHeat Exchanger And Condenser Tubes

♦Treatment and packing:

1.Inspection and Tests Performed of Production :

 Chemical composition, Mechanical properties, Hydrostatic test, Dimensional testing, Visual

 inspection, Nondestructive inspection.

2.Packing and Surface Treatment:

 PE, 3PE, FBE, Black Painting or Uncoated.

 With pipe cap , bevel end or plain end.

♦Available Length:  

Random of 5-14m, we also can process the fixed 5.8m or 11.8m length.

Chemical properties   (%)

Material

C

Si

Mn

P

S

Mo

Cr

%

%

%

%

max

%

max

A 335 Grade P1

0,10 - 0,20

0,10 - 0,50

0,30 - 0,80

0,025

0,025

0,44-0,65

A 335 Grade P5

max. 0,15

max. 0,50

0,30 - 0,60

0,025

0,025

0,45-0,65

4,00-6,00

A 335 Grade P11

0,05 - 0,15

0,50 - 1,00

0,30 - 0,60

0,025

0,025

0,44-0,65

1,00-1,50

A 335 Grade P12

0,05 - 0,15

max. 0,50

0,30 - 0,61

0,025

0,025

0,44-0,65

0,80-1,25

A 335 Grade P22

0,05 - 0,15

max. 0,50

0,30 - 0,60

0,025

0,025

0,87-1,13

1,90-2,60

Mechanical properties

Material

Tensile

 N/mm2

Strength 

 Min. N/mm2

Yield 

  % min.

A 335 Grade P1

min. 380

205

30

A 335 Grade P5

min. 415

205

30

A 335 Grade P11

min. 415

205

30

A 335 Grade P12

min. 415

205

30

A 335 Grade P22

min. 415

205

30

Product Name

Main Material

Standard

Uses

Size Range(mm)

Stainless Steel Pipe

0Cr18Ni9 (304),00Cr19Ni10 (304L),00Cr17Ni14MO2(316L),

00Cr17Ni12MO2(316),
0Cr19Ni13MO3(317) ,
00Cr19Ni13MO3(317L) ,
1Cr17Mn6Ni5N(201) ,
1Cr18Mn8Ni5N(202) ,
1Cr17Mn6Ni5N(201) ,
1Cr17Ni7(301),
1Cr18Ni9(302),
Y1Cr18Ni9(303),
0418Ni10Ti(321),
1Cr18Ni9Ti(321H),
1Cr17(430),1Cr17Mo(434)
1Cr12(403),1Cr13(410),
2Cr13(420),3Cr13(420)

GB/T 14976-2002
GB/T 14975-2002

Decorative Stainless Steel

4-426×1-40

Structural Pipe

10,20,35,45,Q235

16Mn Q345B

GB/T8162-2008

For the general structure

6-610×1-75

Fluid Pipe

20,Q345

GB/T8163-2008

Fluid transport

8-630×1.5-40

Precision Tube

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

GB/T3639-2000

DIN2391

For the automotive, motorcycle, engineering machinery, jack, electrical tools and sporting equipment and other areas

10-180×2-24

High Pressure Boiler Tube

20G,A106c
ST45.8/3

GB5310-95
ASTMA106-99
DIN17175-79

Heat-resistant high-pressure boiler seamless steel pipe

16-824×2-65

Hydraulic Prop tube

27SiMn

GB5310-2008

Hydraulic pressure stand 

Hydraulic prop

70-377×9-40

Alloy-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

High-temperature resistant,

Low temperature-resistant, corrosion-resistant Seamless pipe for Petroleum, chemical, electric power,

Boiler industry

16-824×2-100

Casing Pipe

J55 N80, P110

API SPEC 5CT

oil pipe for oil well, Coupling Cylinder

60-630×1.53-40

Low and Medium Pressure Boiler Tube

10,20

GB3087-1999

For  Low and Medium Pressure Boiler

-boiling tube,-motorcycle
-smoke tube

10-530×2-40

Oil Cracking Tube

20
12CrMo
15CrMo

GB9948-88

Furnace tube for Refined petroleum refining plant

-heat-exchanger tube

- Pipeline seamless pipe

10-530×1.5-36

High-pressure

Seamless Pipe for Chemical Fertilizer Equipment

20,16Mn,Q345

GB6479-2000

Fertilizer Equipment

-pipeline

25-426×6-40

Marine Tube

410

GB/T5312-1999

Specificial  pressure pipe for vessel manufacturing

- tube for boilers and overheating

14-426*1.5-4.5

Line Pipe 

A5L GR.B, X52,X60

API

For petroleum,natural gas, industrial dilivery(gas,water,oil)

60-630×1.53-40

Rectangular Tube

Q195,Q235,Q345,20#

GB/T6278-2002

Structure, decoration, construction

20*20-500*500

Ductile iron Pipe

Iron

GB/T13295-2003 ISO2531/2003

Public works, mining, textile, electric power, boilers, drinking water, machinery, military industry

DN80-1500

Square Pipe

Q195,Q235,Q345,20#

GB/T6278-2002

Structure, decoration, construction

20*20-500*500