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615 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 615

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SAE 615

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This page is mainly introduced the 615 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 615,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Martensitic Stainless Steel Bars for High-Temperature Service

Steel Garde:615
Type:Stainless Steels
Country:USA
Standard:SAE
Standard Number:

ITEM Standard Number Descriptions

1 A 565/A 565M (2010) Martensitic Stainless Steel Bars for High-Temperature Service
Metallographic Structure:Martensite
Application:Martensitic Stainless Steel Bars for High-Temperature Service

ITEM	Standard Number	Descriptions
1	A 565/A 565M (2010)	Martensitic Stainless Steel Bars for High-Temperature Service

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
XM-31	UNS	USA
S21400	AISI	USA
XM-3	SAE	USA
S30360	AISI	USA
A 240 S44626	SAE	USA
A 268 S44626	SAE	USA
S44626	AISI	USA
SA-240 S44626	AMS	USA
SA-268 S44626	AMS	USA
A 581 S18200	SAE	USA
A 582 S18200	SAE	USA
S18200	AISI	USA
A 276 S41040	SAE	USA
S41040	AISI	USA
A 240 S21400	SAE	USA
A 580 S21400	SAE	USA
S21400	AISI	USA
SA-240 S21400	AMS	USA
A 581 S18200	SAE	USA
A 582 S18200	SAE	USA
S18200	AISI	USA
A 276 S41040	SAE	USA
S41040	AISI	USA
K64152	AISI	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.15	0.20
Si		0.50
Mn		0.50
P		0.04
S		0.03
Cr	12.0	14.0
Ni	1.80	2.20
Mo		0.50
W	2.50	3.50

Mechanical Properties

Tensile strength	132～445	σb/MPa
Yield Strength	457	σ 0.2 ≥/MPa
Elongation	68	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	357～324	-
HRC	30	-

Physical Properties

Thermal expansion	62-88	e-6/K
Thermal conductivity	61-22	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0684-1964	째C
Density	4329-7586	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)
615 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