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EN C55 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of EN C55

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This page is mainly introduced the EN C55 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of EN C55,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Euronorm Structural steel, EN C55

Steel Garde:EN C55
Type:Special Alloy
Country:Euronorm
Standard:EN
Application:Euronorm Structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
C55W	DIN	Germany
OLC55S	STAS/SR	Romania
OLC55XS	STAS/SR	Romania
OLC55CS	STAS/SR	Romania
OLC55A	STAS/SR	Romania
C55E	UNE	Spain
C55R	UNE	Spain
RC55	ONORM	Austria
EN C55E	EN	Euronorm
EN C55R	EN	Euronorm
EN C55	EN	Euronorm
EN C55E	EN	Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	150～149	σb/MPa
Yield Strength	057	σ 0.2 ≥/MPa
Elongation	54	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	331～540	-
HRC	30	-

Physical Properties

Thermal expansion	22-27	e-6/K
Thermal conductivity	26-35	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8169-4768	째C
Density	7758-7566	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 C55 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