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ISO X5CrNi18-9 Application:ISO standard thermal deformation of stainless steel
Category Type Steel grade Standard Country
Grades Special Alloy ISO X5CrNi18-9 ISO ISO

Chemical composition % of the ladle analysis of grade ISO X5CrNi18-9

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) N(%)
Max 0.070 Max 1.00 Max 2.00 Max 0.045 Max 0.030 17.0-19.5 8.00-10.5 Max 0.11
ISO standard thermal deformation of stainless steel
Mechanical properties of grade ISO X5CrNi18-9
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)
759 (≥) 933 (≥) 31 44 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 234
Physical properties of grade ISO X5CrNi18-9
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
779 (≥) 995 (≥) 13 43 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 323
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
391 556 572
ISO X5CrNi18-9 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
X5CrNi18-9 ISO ISO
Stainless steels - Chemical composition
X5CrNi18 9E ISO ISO
Steels for cold heading and cold extruding
X5CrNi18-9 ISO ISO
Welded steel tubes for pressure purposes - Technical delivery conditions - Part 6: Longitudinally welded austenitic stainless steel tubes
X5CrNi18-9 ISO ISO
Stainless steels - Chemical composition

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