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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We pursue the administration tenet of "Quality is remarkable, Services is supreme, Status is first", and will sincerely create and share success with all customers for Factory Supplied Carbon Steel Welded Tube - AISI 4140 Alloy Steel Round Bar – Haihui, The product will supply to all over the world, such as: Hanover, Estonia, Philippines, To achieve reciprocal advantages, our company is widely boosting our tactics of globalization in terms of communication with overseas customers, fast delivery, the best quality and long-term cooperation. Our company upholds the spirit of "innovation, harmony, team work and sharing, trails, pragmatic progress". Give us a chance and we'll prove our capability. With your kind help, we believe that we can create a bright future with you together.
We are really happy to find such a manufacturer that ensuring product quality at the same time the price is very cheap.



