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SD2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SD2

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AFNOR SD2

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This page is mainly introduced the SD2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SD2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Steel Garde:SD2
Type:Special Alloy
Country:France
Standard:AFNOR
Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SD2	AFNOR	France

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	317～396	σb/MPa
Yield Strength	380	σ 0.2 ≥/MPa
Elongation	19	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	827～831	-
HRC	30	-

Physical Properties

Thermal expansion	61-62	e-6/K
Thermal conductivity	71-91	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3668-8616	째C
Density	5033-1741	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)
SD2 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