AISI 4140 Alloy Steel Round Bar

Short Description:

4140 Alloy Steel Round Bar is an cold drawn annealed steel of relatively high hardenability with its chromium content provides good hardness penetration, and the molybdenum imparts uniformity of hardness and high strength. 4140 Alloy Steel Round responds well to heat-treatment and is relatively easy to machine in the annealed condition. 4140 Alloy Steel Round has good strength and wear resistance, excellent toughness, coupled with good ductility, and the ability to resist stress at elevated temperatures.


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Innovation, top quality and reliability are the core values of our company. These principles today extra than ever form the basis of our success as an internationally active mid-size company for AISI 4140 Alloy Steel Round Bar, Items won certifications while using the regional and international primary authorities. For far extra detailed info, please contact us!
Innovation, top quality and reliability are the core values of our company. These principles today extra than ever form the basis of our success as an internationally active mid-size company for AISI4140 Round Steel, We have now a excellent team supplying qualified service, prompt reply, timely delivery, excellent quality and best price to our customers. Satisfaction and good credit to every customer is our priority. We have been sincerely looking forward to cooperate with customers all over the world. We believe we can satisfy with you. We also warmly welcome customers to visit our company and purchase our goods.
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

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.Innovation, top quality and reliability are the core values of our company. These principles today extra than ever form the basis of our success as an internationally active mid-size company for AISI 4140 Alloy Steel Round Bar, For far extra detailed info, please contact us!
We have now a excellent team supplying qualified service, prompt reply, timely delivery, excellent quality and price to our customers. Satisfaction and good credit to every customer is our priority. We have been sincerely looking forward to cooperate with customers all over the world. We believe we can satisfy with you. We also warmly welcome customers to visit our company and purchase our goods.


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