X 205 Cr 12 KU (Italy / UNI) Material Properties

Material group: Ferrous Alloys / Tool steels
Country/Standard: Italy / UNI

Data updates

Latest Update: 2019-05
Total number of updates: 1
Update History:

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Brinell Hardness (HB) ≤ 248 view details
Rockwell Hardness (HR) 62 view details
Brinell Hardness (HB) ≤ 248 view details
Rockwell Hardness (HR) 62 view details

Physical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 210 GPa view details
Density 7.72 — 8 kg/dm³ view details
Poisson Coefficient 0.27 — 0.3 view details
Modulus of Elasticity 27.6 E+03 — 30.5 E+03 ksi view details
Density 0.279 — 0.289 lb/in³ view details
Poisson Coefficient 0.27 — 0.3 view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
1.90 – 2.20
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
11 – 13
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.15 – 0.45
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
P
VALUE
val1
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UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
S
VALUE
val1
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UNIT
%
CAS NUMBER
7704-34-9
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2

UNI 2955-3: 1982 / Hot rolled or forged finished steel products for tools. Special alloyed steel qualities for cold working

Heat Treatments

  • <b>Hardening</b>: hardened at 970°C ± 10°C, quenched in oil.<br /><b>Tempering</b>: tempered at 180°C ± 10°C