Factory Supplied Carbon Steel Welded Tube - AISI 4140 Alloy Steel Round Bar – Haihui
Short Description:
Factory Supplied Carbon Steel Welded Tube - AISI 4140 Alloy Steel Round Bar – Haihui Detail:
Specifications: ASTM A331, A108-13, AISI 4140
Applications: shafts, axles, bolts, sprockets, piston rods, rams, etc.
Workability: Moderate to Weld, Cut and Machine.
Mechanical Properties: Brinell = 197-212, Tensile = 95ksi



|
C |
Si |
Mn |
P |
S |
Ni |
|
≤ |
≤ |
≤ |
≤ |
≤ |
|
|
– |
0.09 |
0.75-1.05 |
0.04- 0.09 |
0.26-0.35 |
|
|
Mo |
Al |
Cu |
Nb |
Ti |
Ce |
|
– |
– |
– |
– |
– |
– |
|
N |
Co |
Pb |
B |
Other |
– |
|
– |
– |
– |
– |
– |
– |
|
Quantity |
Value |
Unit |
|
Thermal expansion |
10 – 10 |
e-6/K |
|
Thermal conductivity |
25 – 25 |
W/m.K |
|
Specific heat |
460 – 460 |
J/kg.K |
|
Melting temperature |
1450 – 1510 |
°C |
|
Density |
7700 – 7700 |
kg/m3 |
|
Resistivity |
0.55 – 0.55 |
Ohm.mm2/m |
The company’s annual sales amount is more than 10 million yuan. Through the global sales network, the products sell well in domestic and foreign markets, Haihui Steel has exported steel products to over 30 countries in the world. Our products are marketed widely all over the country and exported to North American, Europe, Middle East, South American, Southeast Asia, Africa, Australia etc and get highly appreciated for our quality and service.
Business Purpose: Quality is superior, Service is supreme, Reputation is first, all kinds of high-quality products recommended to the community, service in all enterprises.
Service Commitment: To provide quality steel pipe and related products, comply with the highest ethical standards, strive to provide unique products and high standards of service.
Company Adhering To: “Customer first, forge ahead with determination” business philosophy, adhere to the “customer first” principle to provide quality services for our customers.
Product detail pictures:





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Having a positive and progressive attitude to customer's fascination, our organization constantly improves our solution high-quality to fulfill the requirements of shoppers and further focuses on safety, reliability, environmental prerequisites, and innovation of Factory Supplied Carbon Steel Welded Tube - AISI 4140 Alloy Steel Round Bar – Haihui, The product will supply to all over the world, such as: Mauritius, Namibia, Burundi, We've been always creating new technology to streamline the production, and give products with competitive prices and high quality! Customer satisfaction is our priority! You can let us know your idea to develop unique design for your own model to prevent too much similar parts in the market! We are going to present our best service to satisfy all your needs! Remember to contact us right away!
The factory workers have rich industry knowledge and operational experience, we learned a lot in working with them,we are extremely grateful that we can encount a good company has excellent wokers.



