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C70U chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of C70U

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ISO C70U

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This page is mainly introduced the C70U chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of C70U,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Steel Garde:C70U
Type:Special Alloy
Country:ISO
Standard:ISO
Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
C70U	ISO	ISO
C70U	UNE	Spain
EN C70U	EN	Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	811～751	σb/MPa
Yield Strength	791	σ 0.2 ≥/MPa
Elongation	79	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	383～319	-
HRC	30	-

Physical Properties

Thermal expansion	57-80	e-6/K
Thermal conductivity	33-08	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7899-4176	째C
Density	9165-6407	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)
C70U 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