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28Cr4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 28Cr4

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UNE 28Cr4

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This page is mainly introduced the 28Cr4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 28Cr4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
28Cr4

Steel Garde:28Cr4
Type:Special Alloy
Country:Spain
Standard:UNE
Application:Spain structural alloy steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
EN 28Cr4	EN	Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	941～291	σb/MPa
Yield Strength	601	σ 0.2 ≥/MPa
Elongation	46	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	612～892	-
HRC	30	-

Physical Properties

Thermal expansion	60-87	e-6/K
Thermal conductivity	45-60	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0744-0579	째C
Density	4292-7637	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)
28Cr4 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