Seamless Steel Pipe for Petroleum Cracking Multipurpose Hot

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Loading Port:
China main port
Payment Terms:
TT or LC
Min Order Qty:
10 m.t.
Supply Capability:
4500 m.t./month

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Product Description:

 

Seamless steel pipe use

 1 building category are: underground pipeline transportation, levy more groundwater extraction, hot water boiler used for transport etc..

2 mechanical processing, bearing sleeve, processing machinery parts etc..

Seamless steel pipe

3 electrical: gas supply, water power fluid pipeline.

4 wind power plants anti-static tube etc..

 

Product Description:

Standard:
GB9948 Chinese national standard
Application:
Served as for furnace tubes,heat exchange tubes and pipelines in petroleum and refinery plants
Model No.of major steel tubes:
1n 9n 1Er!rMn 1rhMn 1f:hM0 etC

Diamensional tolerances:

Types of steel tubes

Outer diameter

Wall thickness

Cold-rolled tubes

Tube sizes(mm)

Tolerances(mm)

Tube sizes (mm)

Tolerances(mm)

>30~50

±0.3

≤30

±10%

>50~219

±0.8%

Hot-rolled tubes

>219

±1.0%

>20

±10%

Mechanical properties:

Standard codes

Models of steel tubes

抗拉强度(MPa)

屈服强度(MPa)

伸长率(%)

冲击功(J)

布氏硬度(HB)

交货状态

GB9948

10

330~490

≥205

≥24

/

/

正火

20

410~550

≥245

≥21

≥39

/

正火

15CrMo

440~640

≥235

≥21

≥47

≤170

正火加回火

1Cr2Mo

≥390

≥175

≥22

≥92

≤179

正火加回火

1Cr5Mo

≥390

≥195

≥22

≥92

≤187

退火

Chemical composition:

Standard codes

Models of steel tubes

Chemical compositions(%)

C

Si

Mn

P

S

Cr

Mo

Ni

GB9948

10

0.07~0.14

0.17~0.37

0.35~0.65

≤0.035

≤0.035

≤0.15

/

≤0.25

20

0.17~0.24

0.17~0.37

0.35~0.65

≤0.035

≤0.035

≤0.25

/

≤0.25

15CrMo

0.12~0.18

0.17~0.37

0.40~0.70

≤0.035

≤0.035

0.80~1.10

0.40~0.55

≤0.30

1Cr2Mo

≤0.15

0.50~1.00

0.30~0.60

≤0.035

≤0.030

2.15~2.85

0.45~0.65

/

1Cr5Mo

≤0.15

≤0.50

≤0.60

≤0.035

≤0.030

4.00~6.00

0.45~0.60

≤0.60


 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FAQ of Seamless Pipe :  

How is the quality of your products?
    Our products are manufactured strictly according to national and internaional standard, and we take a test on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.

How about price?
    Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.

Why should you chose us?
    Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.

 

Any question, pls feel free to contact us !

 

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