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A 831 S38660 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 831 S38660

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SAE A 831 S38660

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This page is mainly introduced the A 831 S38660 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 831 S38660,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Austenitic and Martensitic Stainless Steel Bars, Billets, and Forgings for Liquid Metal Cooled Reactor Core Components

Standard Withdrawn

Steel Garde:A 831 S38660
Type:Stainless Steels
Country:USA
Standard:SAE

Standard Number:

ITEM	Standard Number	Descriptions
1	A 831/A 831M	Austenitic and Martensitic Stainless Steel Bars, Billets, and Forgings for Liquid Metal Cooled Reactor Core Components

Metallographic Structure:Austenite
Application:Austenitic and Martensitic Stainless Steel Bars, Billets, and Forgings for Liquid Metal Cooled Reactor Core Components

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 771 S38660	SAE	USA
A 826 S38660	SAE	USA
S38660	AISI	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.08
Mn		2.00
Si		1.00
P		0.045
S		0.03
Cr	11.50	13.50
Ni	14.00	16.00

Mechanical Properties

Tensile strength	477～411	σb/MPa
Yield Strength	662	σ 0.2 ≥/MPa
Elongation	39	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	211～403	-
HRC	30	-

Physical Properties

Thermal expansion	30-91	e-6/K
Thermal conductivity	54-88	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0849-5513	째C
Density	4864-9413	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)
A 831 S38660 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