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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	212～924	σb/MPa
Yield Strength	900	σ 0.2 ≥/MPa
Elongation	96	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	800～468	-
HRC	30	-

Physical Properties

Thermal expansion	70-22	e-6/K
Thermal conductivity	72-65	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2511-2142	째C
Density	5384-9786	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