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M33 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M33

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ASTM M33

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This page is mainly introduced the M33 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M33,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
High-Speed Tool Steel

Steel Garde:M33
Type:Tool Die Steels
Country:USA
Standard:ASTM
Application:High-Speed Tool Steel

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.85	0.92
Si	0.15	0.50
Mn	0.15	0.40
P		0.030
S		0.030
Cr	3.50	4.00
Mo	9.00	10.00
V	1.00	1.35
W	1.30	2.10
Co	7.75	8.75

Mechanical Properties

Tensile strength	622～546	σb/MPa
Yield Strength	259	σ 0.2 ≥/MPa
Elongation	75	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	172～533	-
HRC	30	-

Physical Properties

Thermal expansion	71-77	e-6/K
Thermal conductivity	72-86	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0542-1589	째C
Density	9393-5174	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)
M33 Tool Die Steels	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