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  • Product Name: 1.2311/STK3 Hot Work Tool Steel bar/plate/forgings/sheet for cuttings/molds
  • Product ID: 1302
  • 上架时间: 2017-09-05
  • Views : 747

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Chemical Composition(%)

Standard

Steel Grade

C

Si

Mn

P

S

Cr

Mo

V

W

DIN

1.2311

0.35-0.45

0.20-0.40

1.30-1.60

0.035

0.035

1.80-2.10

0.15-0.25

-

-

ASTM

-

-

-

-

-

-

-

-

-

-

GB

5CrMnMo

0.50-0.60

0.25-0.60

1.20-1.60

0.030

0.030

0.60-0.90

0.15-0.30

-

-

 

Specification

Round bar

Diameter

Length

-

Forged round bar:φ50~450

2000~6000

-

 Rolled round barφ10~80

 2000~6000

-

Flat bar

Thickness(mm)

Width(mm)

Length(mm)

Forged plate20~300

50~710

2000~6000

Characteristics and application:

A kind of hot work tool steel without nickel with the performance similar as 5CrNiMo.  Used for making medium type forging dies the length of side is bellow 400 mm.

 

Mechanical property

Hardness: Annealing, 241-197 HB

 

Heat treatment regime and metallographic structure

Heat treatment regime: Quenching, 820-850℃oil cooling.

 

Delivery condition: Annealed

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