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12140 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 12140

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CSN 12140

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This page is mainly introduced the 12140 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 12140,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
12140

Steel Garde:12140
Type:Special Alloy
Country:Czech Republic
Standard:CSN
Application:The Czech republic Structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
412140	CSN	Czech Republic

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	368～131	σb/MPa
Yield Strength	568	σ 0.2 ≥/MPa
Elongation	93	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	899～256	-
HRC	30	-

Physical Properties

Thermal expansion	68-67	e-6/K
Thermal conductivity	33-09	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8919-6491	째C
Density	3604-4021	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)
12140 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