High Definition Heat-Exchanger Steel Tube - AISI 4140 Alloy Steel Round Bar – Haihui

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Reliable quality and good credit standing are our principles, which will help us at a top-ranking position. Adhering to the tenet of "quality first, customer supreme" for Marine Seamless Steel Pipe, Precision Seamless Tubes, Rectangular Tube, Since the manufacturing facility founded, we have now committed on the progress of new products. While using the social and economic pace, we are going to continue to carry forward the spirit of "high high-quality, efficiency, innovation, integrity", and persist with the operating principle of "credit to start with, customer initially, top quality excellent". We'll make a amazing long run in hair output with our companions.

High Definition Heat-Exchanger Steel 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

4140 Alloy Steel Round Bar3
4140 Alloy Steel Round Bar1
4140 Alloy Steel Round Bar5

C	Si	Mn	P	S	Ni
≤	≤	≤	≤	≤	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.

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Our well-equipped facilities and excellent excellent management throughout all stages of creation enables us to guarantee total buyer satisfaction for High Definition Heat-Exchanger Steel Tube - AISI 4140 Alloy Steel Round Bar – Haihui, The product will supply to all over the world, such as: New Zealand, Oman, Paraguay, Today, We are with great passion and sincerity to further fulfill our global customers' needs with good quality and design innovation. We fully welcome customers from all over the world to establish stable and mutually beneficial business relationships, to have a bright future together.

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