SA-666 S21904

SA-666 S21904 Stainless Steels to SA-666

SA-666 S21904 - Specification & Application

  • SA-666 - Specification for Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar

Austenitic Chromium Manganese Nickel Stainless Steel, Low carbon

Chemical composition(wt.%) of SA-666 S21904 grade: to SA-666

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

SA-666 S21904 - Detail

SA-666 S21904

Mechanical properties of grade SA-666 S21904 SA-666

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)
637 (≥) 718 (≥) 24 42 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical properties of grade SA-666 S21904 SA-666

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
188 (≥) 749 (≥) 31 42 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 314
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
344 687 831

Equivalent Grade

1 A 240 S21904 2 A 269 S21904 3 A 276 S21904 4 A 314 S21904 5 A 473 S21904 6 A 580 S21904 7 A 666 S21904 8 A 965 S21904 9 A 988 S21904 10 S21904

Equivalent Products

Product shapes we supply:

We can customize the production of SA-666 S21904 grade, contact us for the best solution.
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