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SA-814 S30940 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-814 S30940

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AMS SA-814 S30940

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This page is mainly introduced the SA-814 S30940 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-814 S30940,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Specification for Cold-Worked Welded Austenitic Stainless Steel Pipe

Steel Garde:SA-814 S30940
Type:Stainless Steels
Country:USA
Standard:AMS
Standard Number:

ITEM Standard Number Descriptions

1 SA-814/SA-814M Specification for Cold-Worked Welded Austenitic Stainless Steel Pipe
Metallographic Structure:Austenite
Application:Specification for Cold-Worked Welded Austenitic Stainless Steel Pipe

ITEM	Standard Number	Descriptions
1	SA-814/SA-814M	Specification for Cold-Worked Welded Austenitic Stainless Steel Pipe

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
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

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.08
Mn		2.00
Si		1.00
P		0.045
S		0.03
Cr	22.00	24.00
Ni	12.00	15.00
Mo

Mechanical Properties

Tensile strength	587～313	σb/MPa
Yield Strength	447	σ 0.2 ≥/MPa
Elongation	65	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	651～812	-
HRC	30	-

Physical Properties

Thermal expansion	49-33	e-6/K
Thermal conductivity	17-49	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9575-7101	째C
Density	6196-5884	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)
SA-814 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