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L450QB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of L450QB

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UNE L450QB

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This page is mainly introduced the L450QB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of L450QB,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
L450QB

Steel Garde:L450QB
Type:Special Alloy
Country:Spain
Standard:UNE
Application:Spain structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
EN L450QB	EN	Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	615～443	σb/MPa
Yield Strength	545	σ 0.2 ≥/MPa
Elongation	25	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	755～813	-
HRC	30	-

Physical Properties

Thermal expansion	65-90	e-6/K
Thermal conductivity	45-85	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9860-3477	째C
Density	9661-9271	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)
L450QB 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