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S31803 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S31803

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UNS S31803

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This page is mainly introduced the S31803 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S31803,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
S31803

Steel Garde:S31803
Type:Special Alloy
Country:USA
Standard:UNS
Application:Dual-phase steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
S31803	UNS	USA

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	457～535	σb/MPa
Yield Strength	112	σ 0.2 ≥/MPa
Elongation	16	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	189～585	-
HRC	30	-

Physical Properties

Thermal expansion	63-88	e-6/K
Thermal conductivity	70-29	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3460-2442	째C
Density	3313-3310	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)
S31803 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