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L53550 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of L53550

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GBT L53550

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This page is mainly introduced the L53550 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of L53550,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
L53550

Steel Garde:L53550
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	497～465	σb/MPa
Yield Strength	551	σ 0.2 ≥/MPa
Elongation	61	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	612～845	-
HRC	30	-

Physical Properties

Thermal expansion	87-01	e-6/K
Thermal conductivity	69-21	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8276-0933	째C
Density	3036-8586	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)
L53550 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