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S20400 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S20400

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AISI S20400

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This page is mainly introduced the S20400 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S20400,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
S20400

Steel Garde:S20400
Type:Stainless Steels
Country:USA
Standard:AISI
Metallographic Structure:Austenite
Application:S20400

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.030
Si		1.00
Mn	7.00	9.00
P		0.04
S		0.03
Cr	15.0	17.0
Ni	1.50	3.00
N	0.15	0.30

Mechanical Properties

Tensile strength	669～325	σb/MPa
Yield Strength	398	σ 0.2 ≥/MPa
Elongation	78	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	870～945	-
HRC	30	-

Physical Properties

Thermal expansion	23-74	e-6/K
Thermal conductivity	88-87	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8821-1392	째C
Density	2734-7286	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)
S20400 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