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C40R chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of C40R

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UNE C40R

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This page is mainly introduced the C40R chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of C40R,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
C40R

Steel Garde:C40R
Type:Special Alloy
Country:Spain
Standard:UNE
Application:Spain structural alloy steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
EN C40R	EN	Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	248～254	σb/MPa
Yield Strength	904	σ 0.2 ≥/MPa
Elongation	71	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	571～732	-
HRC	30	-

Physical Properties

Thermal expansion	59-39	e-6/K
Thermal conductivity	15-03	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7299-0065	째C
Density	9149-1767	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)
C40R 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