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S30940 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S30940

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AISI S30940

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This page is mainly introduced the S30940 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S30940,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Austenitic Chromium Nickel Columbium Heat Resisting Stainless Steel

Steel Garde:S30940
Type:Stainless Steels
Country:USA
Standard:AISI
Metallographic Structure:Austenite
Application:Austenitic Chromium Nickel Columbium Heat Resisting Stainless Steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 554 MT 309S -Cb	SAE	USA
A 240 S30940	SAE	USA
A 249 S30940	SAE	USA
A 276 S30940	SAE	USA
A 314 S30940	SAE	USA
A 358 S30940	SAE	USA
A 409 S30940	SAE	USA
A 478 S30940	SAE	USA
A 580 S30940	SAE	USA
A 813 S30940	SAE	USA
A 814 S30940	SAE	USA
SA 249 S30940	AMS	USA
SA-240 S30940	AMS	USA
SA-813 S30940	AMS	USA
SA-814 S30940	AMS	USA
309HCb	UNS	USA
A 240 S30940	SAE	USA
A 249 S30940	SAE	USA
A 276 S30940	SAE	USA
A 314 S30940	SAE	USA
A 358 S30940	SAE	USA
A 409 S30940	SAE	USA
A 478 S30940	SAE	USA
A 580 S30940	SAE	USA
A 813 S30940	SAE	USA
A 814 S30940	SAE	USA
S30940	AISI	USA
SA 249 S30940	AMS	USA
SA-240 S30940	AMS	USA
SA-813 S30940	AMS	USA
SA-814 S30940	AMS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.08
Si		1.00
Mn		2.00
P		0.04
S		0.03
Cr	22.0	24.0
Ni	12.0	16.0
Nb+Ta		1.10

Mechanical Properties

Tensile strength	611～474	σb/MPa
Yield Strength	503	σ 0.2 ≥/MPa
Elongation	29	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	550～188	-
HRC	30	-

Physical Properties

Thermal expansion	32-60	e-6/K
Thermal conductivity	87-78	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1232-1183	째C
Density	9512-1432	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)
S30940 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