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X 8 CrNi 25 21

Favorite Datasheet

EU EN X8CrNi2521 Heat resisting steels and nickel alloys and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X8CrNi2521 / X 8 CrNi 25 21
Category Grade Standard Region/Area Standard Content
Metals X 8 CrNi 25 21 EN 10095 EU Heat resisting steels and nickel alloys

Chemical composition(mass fraction)(wt.%) of the X 8 CrNi 25 21

Element Min Max Similar
Si - 1.5000 -
S - 0.0150 -
P - 0.0450 -
Ni 19.0000 22.0000 -
N - 0.1100 -
Mn - 2.0000 -
Cr 24.0000 26.0000 -
C - 0.1000 -
Si - 1.5000 -
S - 0.0150 -
P - 0.0450 -
Ni 19.0000 22.0000 -
N - 0.1100 -
Mn - 2.0000 -
Cr 24.0000 26.0000 -
C - 0.1000 -
Si - 1.5000 -
S - 0.0150 -
P - 0.0450 -
Ni 19.0000 22.0000 -
N - 0.1100 -
Mn - 2.0000 -
Cr 24.0000 26.0000 -
C - 0.1000 -

Mechanical Properties of steel grade X 8 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)
921 (≥) 637 (≥) 23 24 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade X 8 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
23 - -     0.13 -  
268 127 - 41.3 242   -  
795 - 31 43.2   122 321

Heat Treatment of steel grade X 8 CrNi 25 21

Heat treated : 1854°C - 1366°C

Technological Curves of steel grade X 8 CrNi 25 21

Cross Reference Table (Equivalent Grade) of X 8 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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