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S31400 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S31400

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AISI S31400

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This page is mainly introduced the S31400 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S31400,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless and heat resisting steels

Austenitic Chromium Nickel Heat Resisting Steel

S31400

Steel Garde:S31400
Type:Stainless Steels
Country:USA
Standard:AISI
Metallographic Structure:Austenite
Application:Austenitic Chromium Nickel Heat Resisting Steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
314	YB	USA
314	UNS	USA
A 270 314	SAE	USA
A 314 314	SAE	USA
A 580 type 314	SAE	USA
A 473 314	SAE	USA
G31410	AISI	USA
NV4(3140)	UNS	USA
G31400	AISI	USA
314S25	B.S.	UK
X45Cr13	DIN	Germany
1.3541	DIN	Germany

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.25
Si	1.50	3.00
Mn		2.00
P		0.045
S		0.03
Cr	23.0	26.0
Ni	19.0	22.0

Mechanical Properties

Tensile strength	326～491	σb/MPa
Yield Strength	404	σ 0.2 ≥/MPa
Elongation	37	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	414～246	-
HRC	30	-

Physical Properties

Thermal expansion	78-60	e-6/K
Thermal conductivity	27-61	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4206-9233	째C
Density	4005-8508	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)
S31400 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