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SA-240 S44660 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-240 S44660

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AMS SA-240 S44660

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This page is mainly introduced the SA-240 S44660 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-240 S44660,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

Steel Garde:SA-240 S44660
Type:Stainless Steels
Country:USA
Standard:AMS

Standard Number:

ITEM	Standard Number	Descriptions
1	SA-240/SA-240M	Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

Metallographic Structure:Ferrite
Application:Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 176 S44660	SAE	USA
A 240 S44660	SAE	USA
A 268 S44660	SAE	USA
S44660	AISI	USA
SA-268 S44660	AMS	USA
A 176 S44660	SAE	USA
A 240 S44660	SAE	USA
A 268 S44660	SAE	USA
S44660	AISI	USA
SA-240 S44660	AMS	USA
SA-268 S44660	AMS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.03
Mn		1.00
Si		1.00
P		0.04
S		0.03
Cr	25.00	28.00
Ni	1.00	3.50
Mo	3.00	4.00
N		0.04

Mechanical Properties

Tensile strength	691～166	σb/MPa
Yield Strength	457	σ 0.2 ≥/MPa
Elongation	68	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	264～221	-
HRC	30	-

Physical Properties

Thermal expansion	48-05	e-6/K
Thermal conductivity	47-02	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5537-6021	째C
Density	3212-1128	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)
SA-240 S44660 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