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M84 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M84

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AFNOR M84

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This page is mainly introduced the M84 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M84,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Steel Garde:M84
Type:Special Alloy
Country:France
Standard:AFNOR
Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
M84	AFNOR	France
M84	AFNOR	France
M84	AFNOR	France

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	421～370	σb/MPa
Yield Strength	999	σ 0.2 ≥/MPa
Elongation	01	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	484～749	-
HRC	30	-

Physical Properties

Thermal expansion	44-90	e-6/K
Thermal conductivity	34-95	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6459-8165	째C
Density	3930-4103	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)
M84 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