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X 21 CrMoV 12 1

Favorite Datasheet

Germany SEW X21CrMoV121 Steels for larger forgings for components in turbine and generator installations and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X21CrMoV121 / X 21 CrMoV 12 1
Category Grade Standard Region/Area Standard Content
Metals X 21 CrMoV 12 1 SEW 555 Germany Steels for larger forgings for components in turbine and generator installations

Chemical composition(mass fraction)(wt.%) of the X 21 CrMoV 12 1

Element Min Max Similar

Mechanical Properties of steel grade X 21 CrMoV 12 1

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)
421 (≥) 383 (≥) 12 31 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade X 21 CrMoV 12 1

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
41 - -     0.12 -  
933 533 - 42.3 131   -  
729 - 31 21.2   111 111

Heat Treatment of steel grade X 21 CrMoV 12 1

Heat treated : 1833°C - 1476°C

Technological Curves of steel grade X 21 CrMoV 12 1

Cross Reference Table (Equivalent Grade) of X 21 CrMoV 12 1

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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