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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	479～988	σb/MPa
Yield Strength	743	σ 0.2 ≥/MPa
Elongation	41	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	145～388	-
HRC	30	-

Physical Properties

Thermal expansion	14-19	e-6/K
Thermal conductivity	82-07	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6293-0813	째C
Density	8136-5718	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