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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	496～331	σb/MPa
Yield Strength	445	σ 0.2 ≥/MPa
Elongation	56	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	460～394	-
HRC	30	-

Physical Properties

Thermal expansion	39-46	e-6/K
Thermal conductivity	53-73	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2508-3020	째C
Density	7154-9413	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