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AISI 4140 Steel | High Strength 4140 Pre Hard Steel | 4140 Steel China Supplier

AISI 4140 Steel | High Strength 4140 Pre Hard Steel | 4140 Steel China Supplier photo-1
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AISI 4140 Steel | High Strength 4140 Pre Hard Steel | 4140 Steel China Supplier photo-5
Negotiable MOQ: 1 Ton (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Brand Name:
SongShun
Place of Origin:
China
Model Number:
AISI 4140/ASTM 4140/DIN 1.7225 /NF 40CD4 /JIS SCM440 /GB 42CrMo /BS 708M40
Payment & Shipping
Payment Methods:
Port of Shipment:
Shenzhen,Tianjin,Shanghai.China
Delivery Detail:
8 days
Brand Name SongShun
Place of Origin China
Model Number AISI 4140/ASTM 4140/DIN 1.7225 /NF 40CD4 /JIS SCM440 /GB 42CrMo /BS 708M40
Type Alloy Steel Bar
Application Die Steel Bar
Technique Hot Rolled
Standard AISI, ASTM, BS, DIN, GB, JIS
Alloy Or Not Is Alloy
Dimensions 4140 Alloy Structural Steel Round Bars
Special Use Mold Steel
Steel Grade 4140/42CrMo/42CrMo4/1.7225/40CD4/SCM440/708M40/G41400

AISI 4140 Steel | High Strength 4140 Pre Hard Steel | 4140 Steel China Supplier


1.AISI 4140 Product Details

· keyword:4140 steel bar,4140 pre hard,4140 steel supplier

· Usage: It is used to manufacture forgings that require higher strength and larger quenched and tempered sections than 35CrMo steel, such as large gears for locomotive traction, supercharger transmission gears, rear axles, connecting rods and spring clips that are heavily loaded, and can also be used for Drill pipe joints and fishing tools for oil wells below 2000m, and can be used for molds of bending machines, etc.

· Other Steel Types:5140 /4140 / 4340 / 4142 / 15CrMo / 6150 / 38CrMoAI / 8620 .....

· Serve:OEM/ODM,Sample free and 24 hours online

· Delivery status:With heat treatment (normalized, annealed or high temperature tempered) or without heat treatment Goods, the delivery status should be specified in the contract


2.SAE 4140 Steel Equivalent Steel Grade 

SAE 4140 Steel Equivalent Steel Grade 


3.AISI 4140 Chemical composition

C 0.38-0.45% Cr 0.90-1.20%
Si 0.17-0.37% Mo 0.15-0.25%
Mn 0.50-0.80% Ni ≤0.30%
P ≤0.035% S ≤0.035%


4.SAE 4140 Mechanical Properties

Tensile Strength

σb (MPa):≥1080(110)
Yield Strength σS (MPa):≥930(95)
Elongation δ5 (%):≥12
Reduction ψ (%):≥45 
Impact Energy Akv (J):≥63
Impact Toughness akv (J/cm2):≥78(8)
Annealed Hardness ≤217HB


5.ASTM 4140 Surface Treatment and Heat Treatment

1.Surface Treatment

Plate: Origin Black, Orign cold rolled bright, Machined, Grinded

Bar:  Origin Black, Orign cold rolled(drawn) bright, Turned, Peeled, Grinded

2.Heat treatment specification

Heat treatment standard: quenching at 850℃, oil cooling; tempering at 560℃, water cooling, oil cooling;


6.4140 Steel Applications

It is used to manufacture forgings that require higher strength and larger quenched and tempered sections than 35CrMo steel, such as large gears for locomotive traction, supercharger transmission gears, rear axles, connecting rods and spring clips that are heavily loaded, and can also be used for Drill pipe joints and fishing tools for oil wells below 2000m, and can be used for molds of bending machines, etc.

                           

7.G41400 Steel Product Photo

Various steel round bars

4140 alloy steel


8.Company Introduction

    Dongguan Songshun Mould Steel Co., Ltd. is an Indusrtial and trading company with 2 warehouses that manufactures good & high quality kinds of steels starting from 2012. The company provides the customized products and OEM service. What´s more, we keep the mass stock of over 20000 tons. In those years, we offer 

a wide range of steels to our customers from all over the world. And we enjoy high praise among them.

4140 alloy steel


9.Customer Photos

     We warmly welcome new and old customers to establish good and long term relationship with us based on equality and mutual assistance.

Songshun Steel Company Cooperative Customers

Songshun 4340 Steel

4140 steel Export Dept And Customer Visit Show


10.Certifications

Songshun Steel SGS certificate

Songshun Steel Certificate


11.Product packaging

4340 Steel Product Packaging and Shipping

12.FAQ

Q:Are you a factory or a trading company?

A: The fact is that we are a company. We have own factory and several warehouses. Under the trend of globalization of the world, we established a professional foreign trade department to change the world.

Q: What is your delivery date?

A: The delivery date is about 10-30 days after receipt of payment.

Q: Can I get some samples?

A: We are honored to offer you samples.

Q: What port do you usually ship from?

A: We have 3 common ports,Tianjin, Shanghai and Shen.

Q: What is the payment terms?

A: T/T is our priority, L/C is also OK for us.


13.Contact us

Feel free to contact us,we are glad to serve for you.

Songshun Always Open the Door for You.

MiKi Zhuo

E-mail:jacklu@songshunsteel.com
Skype/Whatsapp/Wechat:86-18269260283

ADD:No.4 Dongda Street, Shatou, Changan Town, Dongguan City, Guangdong Province, P.R.C China

For more 4140 steel product information, please click this link:

https://songshunsteel.en.china.cn/2194011-4140-Steel-Bar

songshunmoldsteel41404340


Product Tags: 4140 Steel , 4140 steel bar , 4140 steel supplier , 4140 pre hard , AISI 4140 Steel , High Strength 4140 Pre Hard Steel , 4140 Steel China Supplier

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Verified Business License
Business Type
Manufacturer
Year Established
2009
Overseas Office
Yes
Factory Size
5,000-10,000 square meters