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SCM440 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SCM440

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CNS SCM440

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This page is mainly introduced the SCM440 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SCM440,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SCM440

Steel Garde:SCM440
Type:Special Alloy
Country:China
Standard:CNS
Application:China Taiwan Structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SCM440H	CNS	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	328～709	σb/MPa
Yield Strength	675	σ 0.2 ≥/MPa
Elongation	82	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	190～345	-
HRC	30	-

Physical Properties

Thermal expansion	17-18	e-6/K
Thermal conductivity	08-27	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7534-2345	째C
Density	4149-6411	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)
SCM440 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