MATERIAL

CHEMISTRY

HEAT TREATMENT DETAILS

AISI/
ASTM

EN

DIN

JIS

C

SI

Mn

P

S

Cr

W

Mo

V

Anealing
(Slow Cooling)

Quenchent
(Hot Bath)

Quenching

Tempering
(Air Cooling)

Annealed
(HB) - Max

Quenched
(Hrc) Tempered

H11

X38CrMoV5-1 

1.2343 

0.38 

1.1

0.4

0.03 

0.01

5 

1.25

750-800 

OIL/AIR 

100-1040 

500-600 

240 

48 

H12 

X40CrMoV5-1 

1.2344 

SKD61 

0.40 

 1.1 

0.4

0.03

0.01

5.2 

1.4 

0.9 

800-850 

OIL/AIR 

1000-1085 

500-600

230

52 

H13 

1.2606 

SKD62 

0.39 

1.1

0.4 

0.03

0.01

5.2 

1.25 

1.4 

800-870 

OIL/AIR 

1000-1050 

500-600

230

52 

L6 

56NiCrMoV7 

1.2714 

0.55 

0.25

0.8 

0.03

0.02

1.2 

0.4

0.2 

750-800 

OIL

830-850 

400-650

240

50 

H21 

X30WCrV9-3 

1.2581 

0.35 

0.25

0.3 

0.03

0.03

2.7 

0.1 

750-800 

OIL/AIR

1070-1150 

500-600

240

51 

HOT WORK

AISI

DIN

Supply Condition

Rounds

Square

Flat

Application

H11 

1.2343 

Annealed 

4 - 500 

100X20 - 1000X300 

Dies for pressure casting of light alloys, dies for presses for hot forming steel, brass, aluminium and its alloys, hot work shear blades. 

H13 

1.2344 

Annealed 

4 - 500 

20 - 300 

100X20 - 1000X300

Dies for pressure casting of light alloys, dies for aluminium extrusion dies for hot forming of steels, extractors. 

H12 

1.2606 

Annealed 

300X65 - 500X150

Cast moulds for aluminium and zinc alloys. 

L6 

1.2714 

Hardened & Tempered 

90 - 700 

20 - 600

300X155 - 1000X600

Blocks for dies, hammers and pile drivers, rams of power hammers, hot mill rolls, very hard, cold work dies and punches. 

H21 

1.2581 

Annealed 

30 - 200 

Extrusion moulds and cast moulds for copper, aluminum and zinc alloys.