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Heat-treatment Information

DIN material NO.: SPM-1 (1.1203)
Code : C55W
Comparable standards: PDS-2 , KTSM-21

Chemical composition

C
Si
Mn
Cr
0.55
0.3
0.7
0.4
Steel properties : no extra alloy elements, good mach inability, hard surface, tough core.
Applications : Mould frames for injection mould, die casting moulds; blow Moulds

Heat
treatment

soft annealing cooling Hardness
650~700°C Slow in the furnace HB190
Hardening cooling Hardness after quenching
800~830°C Cooling in the water HRC57
Tempering°C
100
200
300
350
HRC
57
54
49
42

 

DIN material NO.: 1.7225MOD
Code:42 CrMo4
Comparable standards: PDS-3
Chemical
composition
C
Mn
Cr
Mo
S
Ni
Si
0.42
1.2
1.1
0.25
0.015max
0.8
0.3
Steel properties : Good mach inability, polish ability, capable for texturing, hard plat able, AISI4140 modify, bottom moulds for pressing and injection dies.
Applications : Plastic moulds, mould frames
Heat
treatment 		soft annealing cooling Hardness
680~700 °C Slow in the furnace HB217max
Hardening cooling Hardness after quenching
830~860 °C 180~220 °C oil or hot bath HRC52
1780N/mm 2
tempering °C
100
200
300
400
500
600
HRC
50
49
46
42
36
28

 

DIN material NO.: 1.2311 ISO-BM
Code : 40 CrMnMo7
Comparable standards: AISI P20
Chemical
composition
C
Mn
Cr
Mo
S
Si
P
0.38
1.5
2.0
0.2
0.003
0.3
0.02
Steel properties : Good mach inability, better polish ability, capable for texturing, hard platable, is used for dimensions less than 400mm hardening section.
Applications: Plastic moulds, mould frames

Heat
treatment

soft annealing cooling Hardness
710~740°C Slow in the furnace HB235max
Hardening cooling Hardness after quenching
840~870°C 180~220°C oil or hot bath HRC51
1730N/mm 2
Tempering °C
100
200
300
400
500
600
700
HRC
51
50
48
46
42
36
28

 

DIN material NO.:1.2738 ISO-BM
Code: 40CrMnNiMo8.6.4.
Comparable standards: AISI P20+Ni

Chemical
composition

C
Si
Mn
Cr
Mo
Ni
S
P
0.38
0.3
1.5
2.0
0.2
1
0.003
0.02
Steel properties : Excellent harden ability, uniform hardness for large size, fine microstructure, capable for texturing, good mach inability, plat ability.
Applications: Injection mould for large size (especially for thickness>400mm)

Heat
treatment

soft annealing cooling Hardness
710~740 °C Slow in the furnace HB235max
Hardening cooling Hardness after quenching
840~870 °C 180~220 °C oil or hot bath HRC51
Tempering °C
100
200
300
400
500
600
700
HRC
51
53
51
48
46
39
28

 

DIN material NO.:1.2316 ISO-B MOD
Code: X36CrMo17
Chemical
composition
C
Cr
Mo
Mn
Ni
Si
P
S
0.28
14.2
1.1
0.95
0.5
0.3
0.03
0.003
Steel properties: Increased corrosion-resistance in comparison with 1.2083, good wear-resistance and compression strength, good polish ability.
Applications: Moulds for processing of corrosive acting plastics, blow moulds.
Heat
treatment 		Soft annealing cooling Hardness
760~800°C Slow in the furnace HB230max
Hardening cooling Hardness after quenching
1020~1050°C 500~550°C Oil or hot bath HRC49
Tempering°C
100
200
300
400
500
600
HRC
49
47
46
46
47
32

 

DIN material NO.:1.2083 ISO-B
Code:X42Cr13
Comparable standards: AISI 40
Chemical
composition
C
Cr
Si
Mn
S
0.42
13
0.4
0.4
<=0.003
Steel properties: Corrosion-resistance, good mach inability, good polish ability.
Applications: Moulds for processing of corrosively acting plastics.
Heat
treatment 		soft annealing cooling Hardness
760~800 °C Slow in the furnace HB230max
Hardening cooling Hardness after quenching
1020~1050 °C 500~550°C oil or hot bath HRC56
Tempering °C
100
200
300
400
500
600
HRC
56
55
52
51
52
40

 

DIN material NO.:MR11 ISO-B(1.2711)
Code: X54NiCrMoV6
Comparable standards: AISI 6F2

Chemical
composition

C
Mn
Si
Cr
Ni
Mo
V
P
S
0.52
0.7
0.2
0.75
1.75
0.3
0.1
0.02
0.002
Steel properties : Preharden Ni-Cr-Mo alloy steel, heat-resistant, tough mould steel, high polishable, nitridable.
Applications : Injection mould for large size.

Heat
treatment

Soft annealing cooling Hardness
650~700 °C Slow in the furnace HB240max
Hardening cooling Hardness after quenching
830~870 °C 500~550 °C oil or hot bath HRC57
Tempering °C
100
200
300
400
450
500
550
600
650
HRC
56
54
51
47
44
42
39
36
35

 

DIN material NO.:1.2379 ISO-B
Code:X155CrMo121
Comparable standards : AISI D2
Chemical
composition
C
Cr
Mo
V
Mn
Si
1.55
11.5
0.7
1.0
0.36
0.3
Steel properties : Ledeburitic-high-carbon high chromium steel. Highest wear-resistance, good toughness. Best edge-holding quality and retention to tempering; the steel can be nitrided after a special heat treatment.
Applications : Thread rollings and thread rolling dies, cold extrusion tools, blanking and stamping tools, circular shear blades, deep drawing tools, pressure pads and highly wear-resistant plastic moulds.
Heat
treatment 		soft annealing cooling Hardness
830~860°C Slow in the furnace HB250max
Hardening cooling Hardness after quenching
1000~1050°C 500~550°C oil or hot bath HRC63
Tempering°C
100
200
300
400
500
525
550
600
HRC
63
61
58
58
58
60
56
50
Special
heat
treatment 		Higher temperature hardening cooling Hardness after quenching
1050~1080°C 500~550°C oil or hot bath HRC61
3 rd tempering °C
100
200
300
400
500
525
550
600
HRC
61
60
58
59
62
62
57
50

 

DIN material NO.:1.2714
Code: 56NiCrMoV7
Comparable standards : AISI L6
Chemical
composition
C
Cr
Mo
Ni
Si
V
Mn
0.56
1.1
0.5
1.7
0.25
0.1
0.7
Steel properties: High toughness, good retention to tempering, delivery condition is HRC40~42
Application: Standard steel for forging dies of all types, especially for air hammer, press dies for mould parts, hot shear blades, extrusion rams, die holders, shielded clipping blades.
Heat
treatment 		soft annealing cooling Hardness .
650~700°C Slow in the furnace HB250max --
Hardening Hardness after quenching
oil high pressure gas Oil High pressure gas
830~870°C 860~900°C HRC58 HRC56
Tempering °C
100
200
300
400
450
500
550
600
650
Oil quenching HRC
55
54
52
49
47
46
43
38
34
gas quenching HRC
55
52
50
47
45
43
40
36
32

 

DIN material NO.:1.2344 ISO-B
Code:X40CrMoV51
Comparable standards : AISI H13
Chemical
composition
C
Si
Cr
Mo
V
Mn
0.4
1.0
5.2
1.4
1.0
0.4
Steel properties: nitridable, fine grain, better retention to tempering, is suitable for high strength plastic mould and die casting mould.
Applications : standard steel for hot work, die casting mould, metal extrusion, plastic injection mould, nitrid ejector, hot shear blade.
Heat
treatment 		soft annealing cooling Hardness
750~800°C Slow in the furnace HB225max
Hardening cooling Hardness after quenching
1020~1050°C 500~550°C oil or hot bath HRC54
Tempering°C
100
200
300
400
500
550
600
650
700
HRC
53
52
52
54
56
54
50
42
32

 

DIN material NO. :1.2347 Mod
Code: X40CrMoVS51
Comparable standards: AISI H13+S, TDAC
Chemical
composition
C
Si
Cr
Mo
V
Mn
0.4
1.0
5.2
1.4
0.3
0.4
Steel properties: nitridable, fine grain, better retention to tempering, is suitable for high strength plastic mould and die casting mould. Delivery condition:38~42HRC
Application: standard steel for hot work, die casting mould, plastic injection mould, nitrid ejector.
Heat
treatment 		soft annealing cooling Hardness
750~800°C Slow in the furnace HB225max
Hardening cooling Hardness after quenching
1020~1050°C 500~550°C oil or hot bath HRC54
Tempering°C
100
200
300
400
500
550
600
650
700
HRC
53
52
52
54
56
54
50
42
32

 

 

 

 

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