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EN S550A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of EN S550A

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EN EN S550A

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This page is mainly introduced the EN S550A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of EN S550A,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Euronorm Structural steel, EN S550A

Steel Garde:EN S550A
Type:Special Alloy
Country:Euronorm
Standard:EN
Application:Euronorm Structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
EN S550AL	EN	Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	928～138	σb/MPa
Yield Strength	538	σ 0.2 ≥/MPa
Elongation	77	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	173～697	-
HRC	30	-

Physical Properties

Thermal expansion	46-25	e-6/K
Thermal conductivity	73-56	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1972-3898	째C
Density	3818-9449	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)
EN S550A 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