D3 (W.Nr. 1.2080), X210Cr12

Chemical composition (%)

C

Mn

Si

P

S

Cr

1.90-2.20

0.20-0.60

0.10-0.60

max. 0.030

max. 0.030

11.00-13.00

Steel characteristics:

Chrome steel of ledeburitic type for cold work. Recognized for high resistance against wear, high compression strength,and low deformation durning heat processing.

Application:

Devices for cutting, pressing and perforation of sheet metal up to approx.3 mm thickness casting moulds for deep traction, devices for cold cutting.

Delivery condition:

 Soft annealed steel, max.248 HB.

Physical features:

Temperature [^oC]

20-100

20-200

20-300

20-400

Thermal expansion

10,8

11,6

12,3

12,5

Temperature [^oC]

20

350

700

Heat conductivity

16,7

20,5

24,1

Soft annealing:

Temperature [^oC]

Cooling

800-840

Furnace

Annealing after decreasing stress:

Temperature [^oC]

Cooling

600-650

Furnace

Hardening and tempering:

Austenization  [^oC]

Hardening

930-980

Oil, pressure gas(N2) air,
warm bath