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M51 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M51

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AFNOR M51

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This page is mainly introduced the M51 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M51,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Steel Garde: M51
Type:Special Alloy
Country:France
Standard:AFNOR
Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
H20	AFNOR	France
H20	AFNOR	France
M51	AFNOR	France
08X10H20T2
10X11H20T3P
20X25H20C2	ГОСТ	Russia
ASTM CH20	AISI	USA
ISO H20	ISO	ISO
SWRCH20A	CNS	China
SWRCH20K	CNS	China
EN FeH20FU	EN	Euronorm
GH2018	GBT	China
GH2036	GBT	China
GH2038	GBT	China
10Xl1H20T2P(ЭИ696A)	ГОСТ	Russia

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	840～978	σb/MPa
Yield Strength	343	σ 0.2 ≥/MPa
Elongation	43	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	669～689	-
HRC	30	-

Physical Properties

Thermal expansion	84-78	e-6/K
Thermal conductivity	65-52	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7469-6836	째C
Density	0945-6260	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)
M51 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