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S31200 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S31200

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AISI S31200

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This page is mainly introduced the S31200 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S31200,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Ferritic-Austenitic Chromium Nickel Molybdenum Nitrogen Stainless Steel

Steel Garde:S31200
Type:Stainless Steels
Country:USA
Standard:AISI
Metallographic Structure:Austenitic-Ferritic(Duplex steel)
Application:Ferritic-Austenitic Chromium Nickel Molybdenum Nitrogen Stainless Steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 1049 S31200	SAE	USA
A 240 S31200	SAE	USA
A 789 S31200	SAE	USA
A 790 S31200	SAE	USA
A 928 S31200	SAE	USA
A 949 S31200	SAE	USA
A 959 S31200	SAE	USA
SA-240 S31200	AMS	USA
SA-789 S31200	AMS	USA
SA-790 S31200	AMS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.03
Mn		2.00
Si		1.00
P		0.045
S		0.03
Cr	24.00	26.00
Ni	5.50	6.50
Mo	1.20	2.00
N	0.14	0.20

Mechanical Properties

Tensile strength	722～587	σb/MPa
Yield Strength	905	σ 0.2 ≥/MPa
Elongation	81	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	236～091	-
HRC	30	-

Physical Properties

Thermal expansion	01-25	e-6/K
Thermal conductivity	37-31	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6158-2804	째C
Density	3387-4098	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)
S31200 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