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L555QB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of L555QB

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UNE L555QB

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This page is mainly introduced the L555QB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of L555QB,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
L555QB

Steel Garde:L555QB
Type:Special Alloy
Country:Spain
Standard:UNE
Application:Spain structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
EN L555QB	EN	Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	630～388	σb/MPa
Yield Strength	454	σ 0.2 ≥/MPa
Elongation	64	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	469～153	-
HRC	30	-

Physical Properties

Thermal expansion	28-56	e-6/K
Thermal conductivity	15-46	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7704-4779	째C
Density	3999-6886	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)
L555QB 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