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R52 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of R52

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STAS/SR R52

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This page is mainly introduced the R52 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of R52,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
R52

Steel Garde:R52
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:Structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
100VMoCr52	STAS/SR	Romania
39VSiMoCr52	STAS/SR	Romania
40VSiMoCr52	STAS/SR	Romania

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	718～771	σb/MPa
Yield Strength	451	σ 0.2 ≥/MPa
Elongation	23	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	971～300	-
HRC	30	-

Physical Properties

Thermal expansion	22-97	e-6/K
Thermal conductivity	21-90	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7629-9931	째C
Density	1700-6652	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)
R52 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