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1.2550 60WCrV8 AISI S1 cold work steel

Category: Cold Work Steel
Tags: Hits: 116

 

1.        Applications:

 

Highly stressed applications, blanking dies for cutting sheets up to 12 mm thickness, heavy duty cold piercing punches, cutting, punching and blanking tools for heavy plates, cold forming tools, tablet compression tools, shear blades for cold and hot works, woodworking tools, chipping knives, shank tools for pneumatic equipment, deburring and coining tools, hot work tools for low thermal stresses, ejectors, chopping blades and milling cutters, upsetting tools, flash trimming and splitting dies, industrial knives, hot swaging dies, pneumatic chisels, solid embossing dies, cold and hot punching tools.

 

2.        Chemical analysis:

C

Si

Mn

Cr

V

P/S

W

0.55~0.65

0.70-1.00

0.15-0.45

0.90 ~1.20

0.10~0.20

0.030

1.70-2.20

 

 

3.        Mechanical properties:  

Oil hardenable, medium carbon with tungsten alloyed shock resistant cold work tool steel, high resistant to impacts with excellent toughness and wear resistance, high fatigue strength, good edge-holding ability, high hardenability, dimensional stability.                                                           

 

4.        Compared grades

 

EN ISO

German

American

Japanese

4957

DIN

AISI

JIS

60WCrV8

1.2550

S1

-

 

5.        Delivery condition:

Annealing to Max. 225 HB

 

6.        Available sizes:

   Round Bar: Φ 6-410mm

   Flat: 8-160*205-710mm

   Mould: 200*200-1200*1000mm

   Length: 3000-6000mm

Mill deliver conditions, or sawing or cutting for customer request.

 

 

7.        Physical properties:

 

Thermal expansion coefficient

10-6 m

100°C

200°C

300°C

500°C

m K

11.0

12.5

13.0

14.0

Thermal conductivity

W

20°C

Density

m K

25

8.00kg/dm3

 

8.        Heat treatment:

 

Annealing

 

Temperature

Cooling

Hardness

710 - 750°C

furnace

max. 225 HB

 

Stress relief annealing

Temperature

Cooling

 

 

650°C

furnace

 

 

Hardening

 

Temperature

Quenching media

Tempering

870 - 910°C

Oil

see tempering

diagram

 

 

Hardness after quenching : 58 - 62 HRC

Hardness after tempering :

100 °C    200 °C     300 °C    400 °C

60 HRC    59 HRC   56 HRC    53 HRC

 

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