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X 12 CrCoNi 21-20

Favorite Datasheet

Germany DIN X12CrCoNi21-20 Stainless steels. List of stainless steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X12CrCoNi21-20 / X 12 CrCoNi 21-20
Category Grade Standard Region/Area Standard Content
Metals X 12 CrCoNi 21-20 DIN EN 10088-1 Germany Stainless steels. List of stainless steels

Chemical composition(mass fraction)(wt.%) of the X 12 CrCoNi 21-20

Element Min Max Similar
Co 18.5000 21.0000 -
W 2.0000 3.0000 -
Ni 19.0000 21.0000 -
Nb 0.7500 1.2500 -
Mo 2.5000 3.5000 -
Cr 20.0000 22.5000 -
N 0.1000 0.2000 -
S - 0.0150 -
P - 0.0350 -
Mn - 2.0000 -
Si - 1.0000 -
C 0.0800 0.1600 -
W 2.0000 3.0000 -
Si - 1.0000 -
S - 0.0300 -
P - 0.0450 -
Ni 19.0000 21.0000 -
Nb 0.7500 1.2500 -
N 0.1000 0.2000 -
Mo 2.5000 3.5000 -
Mn - 2.0000 -
Cr 20.0000 22.5000 -
Co 18.5000 21.0000 -
C 0.0800 0.1600 -
V 2.0000 3.0000 -
Si - 1.0000 -
S - 0.0150 -
P - 0.0350 -
Ni 19.0000 21.0000 -
Nb 0.7500 1.2500 -
N 0.1000 0.2000 -
Mo 2.5000 3.5000 -
Mn - 2.0000 -
Cr 20.0000 22.5000 -
Co 18.5000 21.0000 -
C 0.0800 0.1600 -

Mechanical Properties of steel grade X 12 CrCoNi 21-20

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
331 (≥) 918 (≥) 32 24 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade X 12 CrCoNi 21-20

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
22 - -     0.32 -  
714 917 - 13.3 421   -  
976 - 33 42.2   234 413

Heat Treatment of steel grade X 12 CrCoNi 21-20

Heat treated : 1231°C - 1815°C

Technological Curves of steel grade X 12 CrCoNi 21-20

Cross Reference Table (Equivalent Grade) of X 12 CrCoNi 21-20

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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