Grades | Stainless Steels | S21400

AISI S21400 ( Austenite )

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S21400 Application:Chemical compositions of SAE wrought stainless steels

Chemical composition(mass fraction)(wt.%) of the S21400
Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.12
Si 0.30 1.00
Mn 14.5 16.0
P - 0.045
S - 0.03
Cr 17.0 18.5
Ni - 1.00
N - 0.35

Mechanical properties of grade S21400

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition HBW
182 (≥) 835 (≥) 32 14 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical properties of grade S21400

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
181 (≥) 252 (≥) 42 43 43 Solution and Aging, Annealing, Ausaging, Q+T,etc
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
- - -
934 286 418 - - -

S21400 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