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SMn438 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SMn438

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CNS SMn438

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This page is mainly introduced the SMn438 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SMn438,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SMn438

Steel Garde:SMn438
Type:Special Alloy
Country:China
Standard:CNS
Application:China Taiwan Structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SMn438H	CNS	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	421～319	σb/MPa
Yield Strength	414	σ 0.2 ≥/MPa
Elongation	70	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	112～029	-
HRC	30	-

Physical Properties

Thermal expansion	97-83	e-6/K
Thermal conductivity	92-58	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1927-1106	째C
Density	0297-1417	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)
SMn438 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