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S21904 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S21904

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SAE S21904

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This page is mainly introduced the S21904 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S21904,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

S21904

Steel Garde:S21904
Type:Stainless Steels
Country:USA
Standard:SAE
Metallographic Structure:Austenite
Application:Austenitic Chromium Manganese Nickel Stainless Steel, Low carbon

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 240 S21904	SAE	USA
A 269 S21904	SAE	USA
A 276 S21904	SAE	USA
A 314 S21904	SAE	USA
A 473 S21904	SAE	USA
A 580 S21904	SAE	USA
A 666 S21904	SAE	USA
A 965 S21904	SAE	USA
A 988 S21904	SAE	USA
SA-666 S21904	AMS	USA
SA-965 S21904	AMS	USA
A 240 S21904	SAE	USA
A 269 S21904	SAE	USA
A 276 S21904	SAE	USA
A 314 S21904	SAE	USA
A 473 S21904	SAE	USA
A 580 S21904	SAE	USA
A 666 S21904	SAE	USA
A 965 S21904	SAE	USA
A 988 S21904	SAE	USA
S21904	AISI	USA
SA-666 S21904	AMS	USA
SA-965 S21904	AMS	USA
A 182 F XM-11	SAE	USA
A 240 Type XM-11	SAE	USA
A 269 TPXM-11	SAE	USA
A 276 XM-11	SAE	USA
A 312 TPXM-11	SAE	USA
A 314 XM-11	SAE	USA
A 336 Grade FXM-11	SAE	USA
A 412 Type XM-11	SAE	USA
A 473 XM-11	SAE	USA
A 479 XM-11	SAE	USA
A 580 Type XM-11	SAE	USA
A 666 XM-11	SAE	USA
A 813 Grade TP XM-11	SAE	USA
A 814 Grade TP XM-11	SAE	USA
A 943 TPXM-11	SAE	USA
A 959 Type XM-11	SAE	USA
A 965 Grade FXM11	SAE	USA
SA-182 FXM-11	AMS	USA
SA-276 XM-11	AMS	USA
SA-312 Grade TP XM-11	AMS	USA
SA-336 Grade FXM-11	AMS	USA
SA-412 XM-11	AMS	USA
SA-479 Type XM-11	AMS	USA
SA-666 XM-11	AMS	USA
SA-813 TPXM-11	AMS	USA
SA-813 TPXM-11	AMS	USA
SA-965 Grade FXM11	AMS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
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

Mechanical Properties

Tensile strength	263～743	σb/MPa
Yield Strength	154	σ 0.2 ≥/MPa
Elongation	29	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	157～221	-
HRC	30	-

Physical Properties

Thermal expansion	23-73	e-6/K
Thermal conductivity	39-73	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1220-0437	째C
Density	6743-2956	kg/m³
Resistivity	0.50-0.60	Ohm.mm²/m

Heat Treatment Regime

Annealing	Quenching	Tempering	Normalizing	Q & T
√	√	√	√	√

Size Availability

Steel Grade	Specification	Processing range(mm)
S21904 Stainless Steels	Round Bar and Hollow Bar	Φ1 to Φ2000
	Square and Flat Steel	Φ10 to Φ100
	Plate and Sheet	0.08-800(Thickness)10-1500(Width)Length
	Tube or Pipe	OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
	Coil and Strip Steel	THK:0.1mm Width:1500mm
	Forged	Ring/Cylindrical/Disk