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M41 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M41

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ASTM M41

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This page is mainly introduced the M41 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M41,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
M41

Steel Garde:M41
Type:Special Alloy
Country:USA
Standard:ASTM
Application:Molybdenum series High-speed tool steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SCM415H	CNS	China
SCM418H	CNS	China
SUM41	CNS	China
SNCM415	CNS	China
SCM415	CNS	China
SCM418	CNS	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	531～877	σb/MPa
Yield Strength	339	σ 0.2 ≥/MPa
Elongation	81	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	452～240	-
HRC	30	-

Physical Properties

Thermal expansion	72-92	e-6/K
Thermal conductivity	24-54	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4166-8310	째C
Density	6603-1064	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)
M41 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