.

High toughness H13 1.2344 SKD61 Hot Work Tool Steel

Product Details

Chemical Composition (%)

Standard

Steel Grade

C

Si

Mn

P

S

Cr

Mo

V

W

DIN

- 

ASTM

H13

- 

GB

4Cr5MoSiV1

- 

Specification

Round bar

Diameter

Length

-

Forged round bar:φ50~450

2000~6000

-

Rolled round bar:φ10~80

2000~6000

-

Flat bar

Thickness(mm)

Width(mm)

Length(mm)

Forged plate:20~300

50~710

2000~6000

Rolled plate:10~65

155~610

2000~6000

Heat Treatment

Soft Annealing(℃)

Cooling

Hardness(HB)

Hardening(℃)

In

Hardness(HRC)

860-890

Furnace

1020-1060

In air, oil, thermalbath 450-550℃

52-56 HRC

Tempering(℃)

100

200

300

400

450

500

550

600

650

700

HRC

53

52

51

52

53

54

53

50

43

31

N/mm2

1845

1790

1730

1790

1845

1910

1845

1680

1360

995

Quenching technique

Quenching temperature

Cooling

Hardness HRC

Medium

Temperature

Continuation

1020-1050

Oil or air

20-60

Room temperature

56-58

Forging technique

Heat temperature

Start Forging temperature

Finish Forging temperature

Cooling

1120-1150

1050-1100

900-850

Burial pit or sand cooling

Tempering Technique

Purpose

Heating Temperature

Heat treatment equipment

Cooling

Hardness HRC

Eliminate stress, stabilize structures

560-580

Gas furnace or Electric furnace

Air

47-49

More information .

Characteristics

Delivery condition

Annealing,

hardness is below 235HB

Surface: black, machined, painted and other customized.

,based on the over one hundred years’s production history of in Huangshi, provide professional services and material for cutting tool companies, mould companies and other industrial enterprises all over the world for years.


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