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40Cr10AT chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 40Cr10AT

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STAS/SR 40Cr10AT

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This page is mainly introduced the 40Cr10AT chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 40Cr10AT,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
40Cr10AT

Steel Garde:40Cr10AT
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:Alloy structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	786～719	σb/MPa
Yield Strength	928	σ 0.2 ≥/MPa
Elongation	11	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	770～886	-
HRC	30	-

Physical Properties

Thermal expansion	34-26	e-6/K
Thermal conductivity	55-20	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6987-9041	째C
Density	5820-6955	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)
40Cr10AT 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