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ISO X8NiCrAlTi32-21 Details

Steel flat products for pressure purposes - Technical delivery conditions - Part 7: Stainless steels

ISO X8NiCrAlTi32-21 Standard Download

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X8NiCrAlTi32-21 Application:Steel flat products for pressure purposes - Technical delivery conditions - Part 7: Stainless steels
Category Type Grade Microstructure Designations
Grades Stainless Steels X8NiCrAlTi32-21 Austenite International - ISO , ISO 15510 (2010) - Stainless steels -- Chemical composition
ISO 16143-3 (2005) - Stainless steels for general purposes -- Part 3: Wire
ISO 4955 (2005) - Heat-resistant steels
ISO 9328-5 - Steel plates and strips for pressure purposes - Technical delivery conditions - Part 5: Weldable fine grain steels, thermomechanically rolled
ISO 9328-7 (2011) - Steel flat products for pressure purposes - Technical delivery conditions - Part 7: Stainless steels
Chemical composition(mass fraction)(wt.%)
Elements Min.(≥) Max.(≤) Similar Remarks
C 0.05 0.10
Si - 1.00
Mn - 2.00
P - 0.030
S - 0.020
Cr 19.00 23.00
Mo - -
Ni 30.00 35.00
Al 0.15 0.60
Ti 0.15 0.60
Cu - 0.75
Mechanical properties of grade X8NiCrAlTi32-21
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)
121 (≥) 361 (≥) 23 41 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 312
Physical properties of grade X8NiCrAlTi32-21
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
894 (≥) 191 (≥) 13 11 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 334
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
457 199 797
X8NiCrAlTi32-21 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
X8NiCrAlTi32-21 ISO International
Steel flat products for pressure purposes - Technical delivery conditions - Part 7: Stainless steels
X8NiCrAlTi32-21 ISO International
Steel flat products for pressure purposes - Technical delivery conditions - Part 7: Stainless steels