COLD WORK TOOL STEEL

NORM: ISO 4957

Anmeldung:

Steel susceptible to cutting punching stamping, shear blades, bending tools, blanking dies and punches, form rolls, cold mandrels, and knives for high performance wood planing machines, moulds for plastic processing and embossing dies

Chemische Zusammensetzung:

CSiMnPSCrMoWVCoNi
0,95-1,050,10-0,400,40-0,80Max 0,030Max 0,0304,80 - 5,500,90 - 1,20-0,15 - 0,35--

Mechanische Eigenschaften:

Hardness after Tempering ºC Symbol Value
Soft annealing HB ≤241
Quenching with 970 ºC in water HRC 64
Quenching with 970 ºC in water and tempering 180 HRC ≥60
200 HRC 62
250 HRC 60.5
300 HRC 59
350 HRC 58
400 HRC 59
450 HRC 59.5
500 HRC 58

PHYSIKALISCHE EIGENSCHAFTEN:

Property Unit Value
Density, ρ g*cm-3 7.75
Thermal expansion, α20-100ºC) K-1 10.7*10-6
Thermal conductivity, λ20ºC) W*m-1*K-1 21

Technologische Verarbeitung:

Technological treatment processes Possible application Temperature, °C
Hot forming Forging + 1050-850
Rolling + 1050-850
Treatment Heat treatment Quenching + 960-980
Tempering + 170-550
Precipitation strengthening Supersaturation
Ageing
Annealing Soft annealing + 800-840
Stress relieving + 600-700
Thermochemical treatment Nitriding 470-550
Other

INTERNATIONALE STAHLSORTEN:

ISO EN Russia
X100CrMoV5 ISO 4957:1999 X100CrMoV5 EN ISO 4957:1999
US Japan China
A2 ASTM A 681-91 SKD 12 JIS G 4404-1983 Cr5Mo1V GB 1299-85