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EN P255 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of EN P255

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EN EN P255

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This page is mainly introduced the EN P255 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of EN P255,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Euronorm Structural steel, EN P255

Steel Garde:EN P255
Type:Special Alloy
Country:Euronorm
Standard:EN
Application:Euronorm Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	527～252	σb/MPa
Yield Strength	118	σ 0.2 ≥/MPa
Elongation	58	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	876～514	-
HRC	30	-

Physical Properties

Thermal expansion	23-80	e-6/K
Thermal conductivity	18-14	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9356-7218	째C
Density	0076-6304	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 P255 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