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

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UNE 20MnB5

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

Steel Garde:20MnB5
Type:Special Alloy
Country:Spain
Standard:UNE
Application:Spain structural alloy steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
20MnB5q	STAS/SR	Romania
EN 20MnB5	EN	Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	221～322	σb/MPa
Yield Strength	139	σ 0.2 ≥/MPa
Elongation	32	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	622～851	-
HRC	30	-

Physical Properties

Thermal expansion	65-02	e-6/K
Thermal conductivity	96-49	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9060-8513	째C
Density	8817-2054	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)
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