Sitemap | E-mail:sales@steelgs.com

M78 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M78

Location » Home » Grades > Special Alloy > M78

Contact

+86-13880247006

E-mail: sales@longhaisteel.com

AFNOR M78

Profile

This page is mainly introduced the M78 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M78,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Steel Garde:M78
Type:Special Alloy
Country:France
Standard:AFNOR
Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
M78	AFNOR	France
M78	AFNOR	France
M78	AFNOR	France
M78	AFNOR	France
M78	AFNOR	France

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	808～970	σb/MPa
Yield Strength	902	σ 0.2 ≥/MPa
Elongation	71	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	910～831	-
HRC	30	-

Physical Properties

Thermal expansion	66-20	e-6/K
Thermal conductivity	52-88	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0231-2799	째C
Density	2316-3839	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)
M78 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