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34Cr4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 34Cr4

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UNE 34Cr4

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This page is mainly introduced the 34Cr4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 34Cr4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
34Cr4

Steel Garde:34Cr4
Type:Special Alloy
Country:Spain
Standard:UNE
Application:Spain structural alloy steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
EN 34Cr4	EN	Euronorm
EN 34Cr4KD	EN	Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	625～539	σb/MPa
Yield Strength	383	σ 0.2 ≥/MPa
Elongation	41	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	321～523	-
HRC	30	-

Physical Properties

Thermal expansion	02-35	e-6/K
Thermal conductivity	55-74	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1843-5034	째C
Density	6344-4782	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)
34Cr4 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