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ISO X10CrAlSi18 Application:ISO standard iron grain size heat resistant steel
Category Type Steel grade Standard Country
Grades Special Alloy ISO X10CrAlSi18 ISO ISO

Chemical composition % of the ladle analysis of grade ISO X10CrAlSi18

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Al(%)
Max 0.12 0.70-1.4 Max 1.00 Max 0.040 Max 0.030 17.0-19.0 Max 1.0 0.70-1.20
ISO standard iron grain size heat resistant steel
Mechanical properties of grade ISO X10CrAlSi18
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)
142 (≥) 241 (≥) 11 41 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 243
Physical properties of grade ISO X10CrAlSi18
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
485 (≥) 281 (≥) 33 34 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 321
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
648 291 862
ISO X10CrAlSi18 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
X10CrAlSi18 ISO ISO
Heat resisting steels and nickel alloys
1.4742 ISO ISO
Heat resisting steels and nickel alloys
X10CrAlSi18 ISO ISO
Heat-resistant steels

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