AISI 4140 Steel Round Bar | ASTM SAE AISI 4140 Steel Round Bar Supplier

AISI 4140 Steel Round Bar | ASTM SAE AISI 4140 Steel Round Bar Supplier

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;

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.

G41400 Steel Product Photo

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.

Contact us

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

Songshun Always Open the Door for You.

MiKi Zhuo

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

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