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12040 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 12040

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CSN 12040

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This page is mainly introduced the 12040 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 12040,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
12040

Steel Garde:12040
Type:Special Alloy
Country:Czech Republic
Standard:CSN
Application:The Czech republic Structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
412040	CSN	Czech Republic

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	791～990	σb/MPa
Yield Strength	889	σ 0.2 ≥/MPa
Elongation	95	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	159～180	-
HRC	30	-

Physical Properties

Thermal expansion	76-03	e-6/K
Thermal conductivity	48-03	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3312-1032	째C
Density	5568-9795	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)
12040 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