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314 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 314

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UNS 314

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This page is mainly introduced the 314 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 314,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless and heat resisting steels

Special purpose alloys (superalloys)

SAE 314

Steel Garde:314
Type:Stainless Steels
Country:USA
Standard:UNS
Standard Number:

ITEM Standard Number Descriptions

1 SAE J 467 Special purpose alloys (superalloys)
Metallographic Structure:Austenite
Application:Special purpose alloys (superalloys)

ITEM	Standard Number	Descriptions
1	SAE J 467	Special purpose alloys (superalloys)

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
314	YB	USA
A 270 314	SAE	USA
A 314 314	SAE	USA
A 580 type 314	SAE	USA
A 473 314	SAE	USA
S31400	AISI	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	431～409	σb/MPa
Yield Strength	638	σ 0.2 ≥/MPa
Elongation	29	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	977～476	-
HRC	30	-

Physical Properties

Thermal expansion	90-32	e-6/K
Thermal conductivity	27-82	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6548-9349	째C
Density	1683-8884	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)
314 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