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XM-3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of XM-3

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SAE XM-3

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This page is mainly introduced the XM-3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of XM-3,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Steel, Corrosion-Resistant, Bars, Wire, and Forgings 18Cr - 9Ni - 0.21Pb (303Pb) Free-Machining, Solution Heat Treated

Steel Garde:XM-3
Type:Stainless Steels
Country:USA
Standard:SAE
Metallographic Structure:Austenite
Application:Steel, Corrosion-Resistant, Bars, Wire, and Forgings 18Cr - 9Ni - 0.21Pb (303Pb) Free-Machining, Solution Heat Treated

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
303 Pb	UNS	USA
303Pb	ASTM	USA
S30360	AISI	USA
XM-31	UNS	USA
S21400	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
615	SAE	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.15
Si		1.00
Mn		2.00
P		0.04
S	0.12	0.25
Cr	17.0	19.0
Ni	8.00	10.0
Mo		0.60
Pb	0.12	0.30

Mechanical Properties

Tensile strength	695～155	σb/MPa
Yield Strength	575	σ 0.2 ≥/MPa
Elongation	30	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	314～006	-
HRC	30	-

Physical Properties

Thermal expansion	50-54	e-6/K
Thermal conductivity	72-87	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4560-0105	째C
Density	1709-7748	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)
XM-3 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