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DIN X21Cr13 Details

Tools high alloyed Cr steel

DIN X21Cr13 Standard Download

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X21Cr13 Application:Tools high alloyed Cr steel
Category Type Grade Designations
Grades Tool Steels & Die Steels X21Cr13 Germany - DIN ,
Chemical composition(mass fraction)(wt.%)
Elements Min.(≥) Max.(≤)
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 - -
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)
357 (≥) 325 (≥) 21 14 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 343
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
457 (≥) 736 (≥) 14 21 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 234
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
557 682 617
X21Cr13 Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
X21Cr13 ISO International
Wrought steels for use at elevated temperatures in engines
X21Cr13 DIN Germany
Tools high alloyed Cr steel

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