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EN 20MnB5 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of EN 20MnB5

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EN EN 20MnB5

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This page is mainly introduced the EN 20MnB5 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of EN 20MnB5,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Euronorm Structural steel, EN 20MnB5

Steel Garde:EN 20MnB5
Type:Special Alloy
Country:Euronorm
Standard:EN
Application:Euronorm Structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
20MnB5q	STAS/SR	Romania
20MnB5	UNE	Spain

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	783～386	σb/MPa
Yield Strength	683	σ 0.2 ≥/MPa
Elongation	21	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	231～937	-
HRC	30	-

Physical Properties

Thermal expansion	59-84	e-6/K
Thermal conductivity	98-64	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5245-3871	째C
Density	1662-7921	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 20MnB5 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