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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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AISI 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.
Duplex (Austenitic-Ferritic) Chromium Nickel Molybdenum Nitrogen Stainless Steel

Steel Garde:S31803
Type:Stainless Steels
Country:USA
Standard:AISI
Metallographic Structure:Austenitic-Ferritic(Duplex steel)
Application:Duplex (Austenitic-Ferritic) Chromium Nickel Molybdenum Nitrogen Stainless Steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 1049 S32205	SAE	USA
A 240 S32205	SAE	USA
A 270 S32205	SAE	USA
A 276 S32205	SAE	USA
A 479 S32205	SAE	USA
A 511 S32205	SAE	USA
A 789 S32205	SAE	USA
A 790 S32205	SAE	USA
A 815 CRS32205	SAE	USA
A 815 WPS32205	SAE	USA
A 928 S32205	SAE	USA
A 988 S32205	SAE	USA
S32205	AISI	USA
SA-240 S32205	AMS	USA
SA-479 S32205	AMS	USA
SA-789 S32205	AMS	USA
SA-790 S32205	AMS	USA
SA-815 CRS32205	AMS	USA
SA-815 WPS32205	AMS	USA
A 1049 S31803	SAE	USA
A 240 S31803	SAE	USA
A 270 S31803	SAE	USA
A 276 S31803	SAE	USA
A 479 S31803	SAE	USA
A 511 S31803	SAE	USA
A 789 S31803	SAE	USA
A 790 S31803	SAE	USA
A 815 CRS31803	SAE	USA
A 815 WPS31803	SAE	USA
A 928 S31803	SAE	USA
A 949 S31803	SAE	USA
A 955 S31803 Grade 280	SAE	USA
A 955 S31803 Grade 40	SAE	USA
A 955 S31803 Grade 420	SAE	USA
A 955 S31803 Grade 520	SAE	USA
A 955 S31803 Grade 60	SAE	USA
A 955 S31803 Grade 75	SAE	USA
A 959 S31803	SAE	USA
A 988 S31803	SAE	USA
SA-240 S31803	AMS	USA
SA-276 S31803	AMS	USA
SA-479 S31803	AMS	USA
SA-789 S31803	AMS	USA
SA-790 S31803	AMS	USA
SA-815 CRS31803	AMS	USA
SA-815 WPS31803	AMS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.03
Mn		2.00
Si		1.00
P		0.03
S		0.02
Cr	21.00	23.00
Ni	4.50	6.50
Mo	2.50	3.50
N	0.08	0.20

Mechanical Properties

Tensile strength	027～186	σb/MPa
Yield Strength	929	σ 0.2 ≥/MPa
Elongation	63	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	340～820	-
HRC	30	-

Physical Properties

Thermal expansion	65-71	e-6/K
Thermal conductivity	61-63	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1733-4951	째C
Density	2383-3316	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 Stainless Steels	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