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S21800 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S21800

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AISI S21800

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This page is mainly introduced the S21800 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S21800,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
S21800

Steel Garde:S21800
Type:Stainless Steels
Country:USA
Standard:AISI
Metallographic Structure:Austenite
Application:Austenitic Chromium Nickel Manganese Stainless Steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 240 S21800	SAE	USA
A 276 S21800	SAE	USA
A 314 S21800	SAE	USA
A 479 S21800	SAE	USA
A 580 S21800	SAE	USA
A 959 S21800	SAE	USA
F 899 S21800	SAE	USA
S21800	AISI	USA
SA-240 S21800	AMS	USA
SA-276 S21800	AMS	USA
SA-479 S21800	AMS	USA
Nitronic 60®, UNS S21800, Alloy 218	UNS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.10
Si	3.50	4.50
Mn	7.00	9.00
P		0.04
S		0.03
Cr	16.0	18.0
Ni	8.00	9.00
N	0.08	0.18

Mechanical Properties

Tensile strength	496～564	σb/MPa
Yield Strength	681	σ 0.2 ≥/MPa
Elongation	72	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	142～588	-
HRC	30	-

Physical Properties

Thermal expansion	76-52	e-6/K
Thermal conductivity	85-46	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2470-2245	째C
Density	1632-9678	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)
S21800 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