X21Cr13 Tool Die Steels

X21Cr13 - Specification & Application

Tools high alloyed Cr steel

Chemical composition(wt.%) of X21Cr13 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.17 0.22
Si 0.30 0.50
Mn 0.20 0.40
P - 0.035
S - 0.035
Cr 12.50 13.50
Mo - -
V - -

X21Cr13 - Detail

Tools high alloyed Cr steel

Mechanical properties of grade X21Cr13

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
313 (≥) 361 (≥) 22 31 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical properties of grade X21Cr13

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
254 (≥) 449 (≥) 43 41 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 324
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
219 944 415

Equivalent Products

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