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40BOL0 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 40BOL0

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STAS/SR 40BOL0

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This page is mainly introduced the 40BOL0 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 40BOL0,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
40BOL0

Steel Garde:40BOL0
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:Alloy structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	301～798	σb/MPa
Yield Strength	051	σ 0.2 ≥/MPa
Elongation	62	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	190～861	-
HRC	30	-

Physical Properties

Thermal expansion	69-57	e-6/K
Thermal conductivity	41-86	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3944-0500	째C
Density	1344-0918	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)
40BOL0 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