34crnimo6 /1.6582/AISI4337 professional hot forging steel rings, forged steel rings

1. Applications of din 1.6582 / 34CrNiMo6 Steel shaft
34CrNiMo6 steel is used to make tools which demands good plasticity and high strength. It is usually selected to make the big size and important parts,such as heavy machinery axle,turbine shaft larger than 250 mm in diameter,blade,high load of transmission parts,fasteners,crank shafts,gears,etc. In addition,din 1.6582 steel grade can be used to make special performance requirements of the important parts.

2. Equivalent Grades
AISI/ASTM: 4337
BS: 817M40 / EN24
JIS: SNCM447

3. Form of 1.6582 Steel
Round / Square / Flat Bars, Shafts, Rollers, Blocks

4. Size of 34CrNiMo6 Steel shaft

OD up to 8,000mm; ID up to 7,800mm; Thickness up to 500mm

5. Surface Condition

Black, Rough Machined, Turned,

6.Hardness of 1.6582 Steel
Annealed (+A): max 269HB

7. Mechanical Properties of 1.6582 / 34CrNiMo6 (+QT)
Tensile strength: 980MPa
Yield point: 835MPa
Percentage reduction of area after fracture: 55%
Elongation after fracture: 12%
Impact test: 45J(+20°C)

Quenched and Tempered (+QT) of 34CrNiMo6 Steel
1. Heat din 1.6582 steel slowly to the temperature of 850°C;
2. Soak at this hardening temperature quench in oil;
3. Temper as soon as 34CrNiMo6 steel reach room temperature.
4. Heat uniformly to the suitable temperature;
5. Withdraw from the furnace and cool in the air.
6. The usual tempering temperature is 600°C which depending on the actual requirements.

Ultrasonic test :ASTM A 388 or according to customers' requirement

 We, Shanghai Unite Steel are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise.

In the aspect of resources and information, we have established cooperative and stronger relationship with nearly hundred enterprises, either state-owned or private owned in china, such as: DAYE Special Steel-a famous steel enterprise with the longest steelmaking history; BAO Steel, and Dongbei Special Steel Group-the biggest special steel manufacturer; TPCO, VALIN-largest seamless steel tube production enterprise; What's more, we have built long, deep and close business relationship with dozens of steel companies, Sharing and holding equities with several steel enterprises. Because of the close cooperation with steel companies and our pioneering spirit, which can ensure us stay at the top competition, and ensure our customers get what they really want!