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X 40 CrNi 25-21

Favorite Datasheet

Germany DIN X40CrNi25-21 Heat-resisting CrNi steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X40CrNi25-21 / X 40 CrNi 25-21
Category Grade Standard Region/Area Standard Content
Metals X 40 CrNi 25-21 -- Germany Heat-resisting CrNi steel

Chemical composition(mass fraction)(wt.%) of the X 40 CrNi 25-21

Element Min Max Similar
Si 0.5000 1.5000 -
S - 0.0200 -
P - 0.0250 -
Ni 20.0000 23.0000 -
Mn 1.5000 2.5000 -
Cr 24.0000 26.0000 -
C 0.3500 0.4500 -

Mechanical Properties of steel grade X 40 CrNi 25-21

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)
814 (≥) 814 (≥) 34 31 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade X 40 CrNi 25-21

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 - -     0.23 -  
913 492 - 32.3 312   -  
978 - 34 14.2   243 313

Heat Treatment of steel grade X 40 CrNi 25-21

Heat treated : 1344°C - 1111°C

Technological Curves of steel grade X 40 CrNi 25-21

Cross Reference Table (Equivalent Grade) of X 40 CrNi 25-21

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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