Die Steels - Buderus Edelstahl Gmbh

Table 1 Selection of material for forging dies and press dies
Strength range: ±50 N/mm
Brinell hardness range: ± 0 HB
Rockwell hardness range: ± HRc
Table 2 Material selection for secondary tools
(Die holder, tool cassettes, punching and trimming dies, ejectors, upper dies)
8
Forging unit
Tool Die holder,
Casings,
Tool cassettes
Punching and trimming dies Ejectors,
Upper dies
Field of application Presses and hammers Cold cutting Hot cutting Presses
Stress
Tool steel
Recom.
strength / hardness
2714 ISO-B
2714 ISO-B mod.
Small quantities,
Normal wear
Large quantities,
High wear
Strength
when assembled
Hardness
Small tools
Large quantity
Large tools,
Small quantity
2842 2379 ISO-B 1730 * 2714 ISO-B
2767 ISO-B
2344 ISO-B
* Cutting edges stellite armoured
Hammer unit
Tool type Full die
Stress and tool life quantity criterion
Forging quantity – batch size
Die steel and impression typology
Flat dies rotationally symmetrical and asymmetrical
Solid dies symmetrical and asymmetrical
Pivots and hubs dies rotationally symmetrical and asymmetrical
Mandrel dies rotationally symmetrical, deep impression
Material number 2714
ISO-B
Cracking
low high
2714
ISO-Bmod.
2344 ISO-B
2365 ISO-B
1000 N/mm 58 HRc 0 HRc 750 N/mm 50 HRc 50 HRc
Wear
low high
2714
ISO-B
N/mm 1 00 1 00 1 50 1 50
Hardness HB 85 85 00 00
Material number 2714
ISO-B
2714
ISO-Bmod.
2714
ISO-B
N/mm 1 00 1 00 1 50 1 50
Hardness HB 85 85 00 00
Material number 2714
ISO-Bmod.
2714
ISO-Bmod.
2714
ISO-Bmod.
N/mm 1 00 1 00 1 50 1 50
Hardness HB 85 85 00 00
Material number 2714
ISO-Bmod.
2365
ISO-B
2714
ISO-Bmod.
2714
ISO-Bmod.
2714
ISO-Bmod.
2714
ISO-Bmod.
2365
ISO-B
N/mm 1 00 1 50 1 00 1 50
Hardness HB 85 00 85 00