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N-7M chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of N-7M

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AISI N-7M

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This page is mainly introduced the N-7M chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of N-7M,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
N-7M

Steel Garde:N-7M
Type:Special Alloy
Country:USA
Standard:AISI
Application:

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
CN-7M	AISI	USA
CN-7MS	AISI	USA
ASTM CN-7M	AISI	USA
ASTM CN-7MS	AISI	USA

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	827～216	σb/MPa
Yield Strength	857	σ 0.2 ≥/MPa
Elongation	89	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	076～796	-
HRC	30	-

Physical Properties

Thermal expansion	35-32	e-6/K
Thermal conductivity	65-89	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9108-3435	째C
Density	5225-6821	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)
N-7M Special Alloy	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