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40CrNi12 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 40CrNi12

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STAS/SR 40CrNi12

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This page is mainly introduced the 40CrNi12 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 40CrNi12,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
40CrNi12

Steel Garde:40CrNi12
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:Alloy structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
40CrNi12S	STAS/SR	Romania
40CrNi12q	STAS/SR	Romania

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	751～458	σb/MPa
Yield Strength	978	σ 0.2 ≥/MPa
Elongation	17	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	748～030	-
HRC	30	-

Physical Properties

Thermal expansion	46-00	e-6/K
Thermal conductivity	64-89	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2444-9278	째C
Density	6585-9757	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)
40CrNi12 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