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BM42 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of BM42

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BM42

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This page is mainly introduced the BM42 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of BM42,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Steel Garde:BM42
Type:Special Alloy
Country:UK
Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
BM42		UK

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	848～189	σb/MPa
Yield Strength	756	σ 0.2 ≥/MPa
Elongation	16	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	505～417	-
HRC	30	-

Physical Properties

Thermal expansion	76-41	e-6/K
Thermal conductivity	43-96	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3825-7274	째C
Density	1909-6753	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)
BM42 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