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412020 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 412020

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CSN 412020

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This page is mainly introduced the 412020 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 412020,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
412020

Steel Garde:412020
Type:Special Alloy
Country:Czech Republic
Standard:CSN
Application:The Czech republic Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	275～522	σb/MPa
Yield Strength	711	σ 0.2 ≥/MPa
Elongation	29	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	410～765	-
HRC	30	-

Physical Properties

Thermal expansion	20-89	e-6/K
Thermal conductivity	69-15	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0868-4042	째C
Density	2786-8016	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)
412020 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