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M34 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M34

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ASTM M34

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This page is mainly introduced the M34 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M34,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ASTM M34/UNS T11334

Steel Garde:M34
Type:Special Alloy
Country:USA
Standard:ASTM
Application:Molybdenum series High-speed tool steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
BM34①		UK
BM34①		UK

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	667～950	σb/MPa
Yield Strength	539	σ 0.2 ≥/MPa
Elongation	54	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	004～859	-
HRC	30	-

Physical Properties

Thermal expansion	20-61	e-6/K
Thermal conductivity	54-47	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0458-0018	째C
Density	1769-4624	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)
M34 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