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315 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 315

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YB 315

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This page is mainly introduced the 315 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 315,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

315

Steel Garde:315
Type:Stainless Steels
Country:USA
Standard:YB
Metallographic Structure:Austenite
Application:Austenitic Chromium Nickel Heat Resisting Steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 789 S31500	SAE	USA
A 790 S31500	SAE	USA
A 928 S31500	SAE	USA
A 949 S31500	SAE	USA
A 959 S31500	SAE	USA
S31500	AISI	USA
SA-789 S31500	AMS	USA
SA-790 S31500	AMS	USA
315S16	B.S.	UK
C 3315	AISI	USA
14 NiCr14	AISI	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.15
Si		1.00
Mn		2.00
P		0.045
S		0.03
Cr	17.0	19.0
Ni	7.00	9.50
Mo	1.00	1.50
Cu	1.00	1.50

Mechanical Properties

Tensile strength	406～548	σb/MPa
Yield Strength	314	σ 0.2 ≥/MPa
Elongation	42	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	178～569	-
HRC	30	-

Physical Properties

Thermal expansion	70-76	e-6/K
Thermal conductivity	87-27	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2147-3307	째C
Density	7825-2098	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)
315 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