ASTM A519 Grade 4140 Steel Pipe
4140 Steel Pipe is a seamless steel pipe for machinery under ASTM A519.The seamless steel pipe products for mechanical processing take the tube billet (mainly the continuous casting billet) as the raw material, and after heating, they are rolled into steel pipes by centering, piercing, continuous rolling, and tensioning units.
Introduction
ASTM A519 Grade 4140 Steel Pipe Chemical Composition :
Grade |
C |
Mn |
P≤ |
S≤ |
Si |
Cr |
Mo |
4140 |
0.38-0.43 |
0.75-1.00 |
0.040 |
0.040 |
0.15-0.35 |
0.80-1.10 |
0.15-0.25 |
ASTM A519 Grade 4140 Steel Pipe Mechanical Properties Table
Condition |
Tensile Strengtd Rm (Mpa) |
Yield Strengtd R2 (Mpa) |
Elongation in 2 in or 50 mm A(%) |
Rockwell, Hardness B Scale |
HF(Hot Finished) |
855 min (120 ksi) |
621 min (90 ksi) |
15 min |
100 |
SR(Stress Relieved) |
855 min (120 ksi ) |
689 min (100 ksi) |
10 min |
100 |
A(Annealed) |
552 min (80 ksi ) |
414 min (60 ksi) |
25 min |
85 |
N (Normalized) |
855 min (120 ksi ) |
621 min (90 ksi) |
20 min |
100 |
Q+T (Quenched and tempered.) |
AS your requirements |
|
Application
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We Can Supply
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Steel Plates
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Steel Pipes
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Steel Coils
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Alloy Steels
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Stainless Steel
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Profile Steels
Why Choos Us?
1. We have our own factory, complete quality management system, and can provide customized services.
2. Fifteen years of steel export experience, with own agents in Bangladesh, Turkey, Cameroon and other countries;
3. Product quality is guaranteed, and the ship plates are certified by nine major classification societies. Various testing and services can be provided, and third-party testing is accepted;
4. Professional after-sales service team to provide various services to our customers.
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Products
Prject Case
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280 Tons Monel 625&4400 coil to
L&T company is a famous EPC and manufacture in India, they are very strict with quality on each project. And they had purchased a large quantity of steel structure and Monel 625 coil from us every year.
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Pakistan 899.400 Tons BV E550 Sh
For the BV E550 Plate we offer to them is used to build marine platform which they developed for Karachi Shipyard. They have strict technical requirements with a lot of paper work, after two years evaluation they finally choice Bebon as their supplier.
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1653 tons CCS-AH36 ship building
This regular client come from Guyana, and they have service for Guyana government for many years,they have purchased our 1653tons CCS-AH36 ship building steel plate for cruiser project.
