Heat Treatment Din 1 7035 Jis Scr440 Aisi 5140 Steel Round Bar - China

AISI 5140 steel also can be called JIS Scr440 and DIN 1.7035 steel.

It is one of the alloy steel as well as the most popular steel grades in the productions of the machine.

AISI 5140 steel round bar price is on the medium level and it was easy to processing.

After tempering and quenching, the toughness, plasticity and wearing resistance of it will get better.

Steel normalizing can make the spheroidizing for the organization of steel get easier.

And it will raise the machinability of the semi-finished product with the hardness less than 160HBS.

Tempering it at the temperature of 550℃-570℃ which can make it get better mechanical property.

And the hardenability of it is higher than S45C steel.

You can check 5140 Steel chemical composition and mechanical properties as below.

5140 Steel Application

After hardening and tempering, it can be used to make the fittings for machines with high medium load and speed of work.

Such as the automobile knuckle, gear wheel and axis of the machine tools.

If it had been quenching and tempering with medium temperature, it will be a great choice for fittings with high load, low impact and good wearing resistance.

Such as the gear wheel, lantern ring and etc.

And after quenching and low-temperature tempering, the properties will be better than the last one.

People usually use it to make the parts with good wearing resistance and handle high load, low impact.

And you can see the principal axis, mechanical bolt and etc are made of it.

5140 Steel Sheet Plate Round Bar Heat Treatment

The ways of heat treatment for 1.7035 steel are normalizing, annealing, quenching, tempering and etc.

(1)Quenching it at the temperature of 850℃ and oil cooling.

(2)Tempering at the temperature of 520℃, then water-cooling and oil cooling.

After quenching, the surface hardness of it is 52-60HRC.

Nitrogen Treatment

5140 steel can nitriding, and the elements of it are good for nitriding.

After nitriding, it can get higher surface hardness.

And after nitriding, hardening and tempering, the max hardness can up to 72-78HRA.

And the hardness of core will be 43-55HRC.

Nitrogen Process

1 - Forging

2 - Annealing

3 - Rough machining

4 - Hardening and tempering

5 - Finish machining

6 - Stress relieving

7 - Rough grinding

8 - Nitriding

9 - Lapping

We have our own cutting and processing equipment.

Specifications can be cut and customized according to your requirements.

We are a professional special steel stockist and supplier with a high-quality stand for many years.

As a professional 5140 steel supplier, please contacts us for any request for it.

Songshun Steel always with you.

Songshun specialized in Special Steel for almost 20 years.

We can supply mold steel, high speed steel, alloy steel, free cutting steel and etc.

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Company Contact:

• Posted By: Dongguan Songshun Mould Steel Co., Ltd.

• Phone: 0086 0769 85475596

• Address: 1st Floor, No. 1, Dongda Fourth Street, Shatou Community, Chang'an Town, Dongguan , GuangDong , China

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• Business Description: Established in 2009,Songshun Steel supplies a wide range of carbon, alloy and tool steel products, including high speed tool steel, cold work tool steel, hot work tool steel, plastic mould steel, engineering steel and machine structural steel etc.
  
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