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A 959 S31266 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 959 S31266

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SAE A 959 S31266

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This page is mainly introduced the A 959 S31266 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 959 S31266,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless and heat resisting steels

Specifying harmonized standard grade compositions for wrought stainless steels
A 959 S31266

Steel Garde:A 959 S31266
Type:Stainless Steels
Country:USA
Standard:SAE
Standard Number:

ITEM Standard Number Descriptions

1 ASTM A 959 Specifying harmonized standard grade compositions for wrought stainless steels
Metallographic Structure:Austenite
Application:Specifying harmonized standard grade compositions for wrought stainless steels

ITEM	Standard Number	Descriptions
1	ASTM A 959	Specifying harmonized standard grade compositions for wrought stainless steels

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
S31266	AISI	USA
A 240 S31266	SAE	USA
A 358 S31266	SAE	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.030
Si		1.00
Mn	2.00	4.00
P		0.035
S		0.02
Cr	23.0	25.0
Ni	21.0	24.0
Mo	5.00	7.00
Cu	0.50	3.00
N	0.35	0.60
W	1.00	3.00

Mechanical Properties

Tensile strength	633～642	σb/MPa
Yield Strength	140	σ 0.2 ≥/MPa
Elongation	55	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	788～443	-
HRC	30	-

Physical Properties

Thermal expansion	01-67	e-6/K
Thermal conductivity	38-36	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8405-0439	째C
Density	7255-3191	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 959 S31266 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