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SAE A 666 S21904 Details

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A 666 S21904 Application:Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar

Category Type Grade Microstructure Designations
Grades Stainless Steels A 666 S21904 Austenite USA - SAE , A 666 (2010) - Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar

Chemical composition(wt.%) of A 666 S21904 grade: A 666 (2010)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.04
Si - 1.00
Mn 8.00 10.0
P - 0.06
S - 0.03
Cr 19.0 21.5
Ni 5.50 7.50
N 0.15 0.40
A 666 S21904

Mechanical properties of grade A 666 S21904 A 666 (2010)

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)
228 (≥) 435 (≥) 13 14 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical properties of grade A 666 S21904 A 666 (2010)

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
524 (≥) 673 (≥) 33 41 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 344
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
283 342 778

A 666 S21904 - Form of Supply

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
A 240 S21904 SAE USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 269 S21904 SAE USA
Seamless and Welded Austenitic Stainless Steel Tubing for General Service
A 276 S21904 SAE USA
Stainless Steel Bars and Shapes
A 314 S21904 SAE USA
Stainless Steel Billets and Bars for Forging
A 473 S21904 SAE USA
nless Steel Forgings
A 580 S21904 SAE USA
Stainless Steel Wire
A 666 S21904 SAE USA
Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar
A 965 S21904 SAE USA
Steel Forgings, Austenitic, for Pressure and High Temperature Parts
A 988 S21904 SAE USA
Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar
S21904 SAE USA
Austenitic Chromium Manganese Nickel Stainless Steel, Low carbon
SA-666 S21904 AMS USA
Austenitic Chromium Manganese Nickel Stainless Steel, Low carbon
SA-965 S21904 AMS USA
Specification for Steel Forgings, Austenitic, for Pressure and High Temperature Parts
A 240 S21904 SAE USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 269 S21904 SAE USA
Seamless and Welded Austenitic Stainless Steel Tubing for General Service
A 276 S21904 SAE USA
Stainless Steel Bars and Shapes
A 314 S21904 SAE USA
Stainless Steel Billets and Bars for Forging
A 473 S21904 SAE USA
Stainless Steel Forgings
A 580 S21904 SAE USA
Stainless Steel Wire
A 666 S21904 SAE USA
Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar
A 965 S21904 SAE USA
Steel Forgings, Austenitic, for Pressure and High Temperature Parts

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