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21MnCr5 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 21MnCr5

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DIN 21MnCr5

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This page is mainly introduced the 21MnCr5 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 21MnCr5,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
21MnCr5

Steel Garde:21MnCr5
Type:Special Alloy
Country:Germany
Standard:DIN
Application:Cold working alloy tool steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
EN 21MnCr5	EN	Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	410～429	σb/MPa
Yield Strength	260	σ 0.2 ≥/MPa
Elongation	43	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	707～391	-
HRC	30	-

Physical Properties

Thermal expansion	21-87	e-6/K
Thermal conductivity	55-28	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4726-6746	째C
Density	1944-9422	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)
21MnCr5 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