Sitemap | E-mail:sales@steelgs.com

EN 45Si7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of EN 45Si7

Location » Home » Grades > Special Alloy > EN 45Si7

Contact

+86-13880247006

E-mail: sales@longhaisteel.com

EN EN 45Si7

Profile

This page is mainly introduced the EN 45Si7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of EN 45Si7,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Euronorm Structural steel, EN 45Si7

Steel Garde:EN 45Si7
Type:Special Alloy
Country:Euronorm
Standard:EN
Application:Euronorm Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	450～149	σb/MPa
Yield Strength	536	σ 0.2 ≥/MPa
Elongation	85	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	646～002	-
HRC	30	-

Physical Properties

Thermal expansion	33-96	e-6/K
Thermal conductivity	74-77	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3588-2711	째C
Density	5939-1512	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 45Si7 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