X12CrNiCoMoW21-20 (Germany / DIN) Material Properties

Material group: Ferrous Alloys / Stainless steels
Country/Standard: Germany / DIN

Data updates

Latest Update: 2022-04
Total number of updates: 3
Update History:
2020-05 2013-12

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 690 — 960 MPa view details
Elongation, A 30 % view details
Brinell Hardness (HB) 192 — 247 view details
Vickers Hardness (HV) val1
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view details
Grain Size val1
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view details
Yield Strength, Rp0.2 val1
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ksi view details
Tensile Strength 100.1 — 139.2 ksi view details
Elongation, A 30 % view details
Brinell Hardness (HB) 192 — 247 view details
Vickers Hardness (HV) val1
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view details
Grain Size val1
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view details

Physical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 215 GPa view details
Density 7.61 — 8.1 kg/dm³ view details
Poisson Coefficient 0.27 — 0.3 view details
Modulus of Elasticity 27.6 E+03 — 31.2 E+03 ksi view details
Density 0.275 — 0.293 lb/in³ view details
Poisson Coefficient 0.27 — 0.3 view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.0800 – 0.1600
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Co
VALUE
18.5000 – 21.0000
UNIT
%
CAS NUMBER
7440-48-4
CRITERIA
Cr
VALUE
20.0000 – 22.5000
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
val1
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UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Fe
VALUE
val1
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UNIT
%
CAS NUMBER
7439-89-6
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
N
VALUE
val1
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UNIT
%
CAS NUMBER
7727-37-9; 17778-88-0
CRITERIA
Nb
VALUE
val1
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UNIT
%
CAS NUMBER
7440-03-1
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
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
W
VALUE
val1
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UNIT
%
CAS NUMBER
7440-33-7

EN 4263: 2013 / Aerospace series - Heat resisting alloy FE-PA4901 (X12CrNiCoMoW21-20) - As forged - Forging stock - a or D ≤ 200 mm - 690 MPa ≤ Rm ≤ 960 MPa

Heat Treatments

  • <b>Delivery condition:</b> <br> Solution treated: 1100°C ≤ θ ≤ 1180°C/t = 1 h/WQ <br> <b>Used condition:</b> <br> Solution treated and precipitation treated: Delivery condition + θ = 815°C ± 15°C/t ≥ 4 h/AC
  • <b>Solution treated and precipitation treated</b> <br> 1100°C ≤ q 1180°C/t = 1 h/WQ <br> + q = 815°C ± 15°C/t ≥ 4 h/AC