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SNCM439 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SNCM439

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CNS SNCM439

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This page is mainly introduced the SNCM439 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SNCM439,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SNCM439

Steel Garde:SNCM439
Type:Special Alloy
Country:China
Standard:CNS
Application:China Taiwan Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	883～449	σb/MPa
Yield Strength	852	σ 0.2 ≥/MPa
Elongation	62	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	185～168	-
HRC	30	-

Physical Properties

Thermal expansion	13-64	e-6/K
Thermal conductivity	94-26	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4011-9017	째C
Density	3298-5928	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)
SNCM439 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