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SUSXM7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUSXM7

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AMS SUSXM7

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This page is mainly introduced the SUSXM7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUSXM7,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for stainless steel bars

Steel Garde:SUSXM7
Type:Stainless Steels
Country:USA
Standard:AMS
Standard Number:

ITEM Standard Number Descriptions

1 SA/JIS G4303 Specification for stainless steel bars
Metallographic Structure:Austenite
Application: Specification for stainless steel bars

ITEM	Standard Number	Descriptions
1	SA/JIS G4303	Specification for stainless steel bars

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
304Cu	YB	USA
A 493 Type XM-7	SAE	USA
F 899 Type XM-7	SAE	USA
A 493 S30430	SAE	USA
A 959 S30430	SAE	USA
F 837 Class A1-50 S30430	SAE	USA
F 837 Class A1-55 S30430	SAE	USA
F 837 Class A1-70 S30430	SAE	USA
F738 Class A1-70 S30430	SAE	USA
F738 Class A1-50 S30430	SAE	USA
F738 Class A1-80 S30430	SAE	USA
F836 Class A1-50 S30430	SAE	USA
F836 Class A1-50 S30430	SAE	USA
F836 Class A1-80 S30430	SAE	USA
S30430	AISI	USA
S30430	UNS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.08
Si		1.00
Mn		2.00
P		0.045
S		0.03
Cr	17.0	19.0
Ni	8.00	10.0
Cu	3.00	4.00

Mechanical Properties

Tensile strength	456～030	σb/MPa
Yield Strength	045	σ 0.2 ≥/MPa
Elongation	93	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	868～810	-
HRC	30	-

Physical Properties

Thermal expansion	69-24	e-6/K
Thermal conductivity	70-24	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1893-7165	째C
Density	6914-8089	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)
SUSXM7 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