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X12CrCoNi21-20

Description

Germany DIN X12CrCoNi21-20 The high-temperature and high-strength steel and X12CrCoNi21-20 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: X12CrCoNi21-20
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel X12CrCoNi21-20 DIN Germany The high-temperature and high-strength steel
1.4961
X12CrNiWTi16-13
1.4962
2.4964
CoCr20W15Ni
NiCr20Co18Ti
2.4969
2.4632
1.4974
1.4971

Chemical composition(mass fraction)(wt.%) of the X12CrCoNi21-20

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) W(%) N(%) Co(%) Other(%)
0.08-0.16 0.08-0.16 1.00-2.00 Max 0.040 Max 0.030 20.0-22.5 19.0-21.0 2.50-3.50 2.00-3.00 0.1-0.2 18.5-21.0 Nb/Ta 0.75-1.25

Mechanical Properties of steel grade X12CrCoNi21-20

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)
395 (≥) 458 (≥) 13 32 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade X12CrCoNi21-20

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
13 - -     0.12 -  
493 181 - 31.3 134   -  
174 - 13 13.2   434 232

Heat Treatment of steel grade X12CrCoNi21-20

Heat treated : 1267°C - 1466°C

Technological Curves of steel grade X12CrCoNi21-20

Cross Reference Table (Equivalent Grade) of X12CrCoNi21-20

Grade Standard Country Application
X12CrCoNi21-20 DIN Germany The high-temperature and high-strength steel
EN X12CrCoNi21-20 EN Euronorm Euronorm Stainless Steel

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