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S31640 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S31640

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AISI S31640

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This page is mainly introduced the S31640 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S31640,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Austenitic Chromium Nickel Molybdenum Stainless Steel (Columbium Stabilized)

Steel Garde:S31640
Type:Stainless Steels
Country:USA
Standard:AISI
Metallographic Structure:Austenite
Application:Austenitic Chromium Nickel Molybdenum Stainless Steel (Columbium Stabilized)

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
316Cb	UNS	USA
A 167 Type 316Cb	SAE	USA
A 240 Type 316Cb	SAE	USA
A 276 316Cb	SAE	USA
A 314 316Cb	SAE	USA
A 368 Type 316Cb	SAE	USA
A 478 Type 316Cb	SAE	USA
A 479 316Cb	SAE	USA
A 959 Type 316Cb	SAE	USA
SA-276 316Cb	AMS	USA
SA-479 Type 316Cb	AMS	USA
A 240 S31640	SAE	USA
A 276 S31640	SAE	USA
A 314 S31640	SAE	USA
A 368 S31640	SAE	USA
A 478 S31640	SAE	USA
SA-240 S31640	AMS	USA
A 240 S31640	SAE	USA
A 276 S31640	SAE	USA
A 314 S31640	SAE	USA
A 368 S31640	SAE	USA
A 478 S31640	SAE	USA
S31640	AISI	USA
SA-240 S31640	AMS	USA
X6CrNiMoNb17-12-2, 1.4580, AISI 316Cb, UNS S31640	EN	European

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.08
Si		1.00
Mn		2.00
P		0.045
S		0.03
Cr	16.0	18.0
Ni	10.0	14.0
Mo	2.00	3.00
N		0.10
Carbon equivalent		10xC≤b≤1.10

Mechanical Properties

Tensile strength	496～983	σb/MPa
Yield Strength	449	σ 0.2 ≥/MPa
Elongation	50	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	727～563	-
HRC	30	-

Physical Properties

Thermal expansion	24-99	e-6/K
Thermal conductivity	29-54	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4663-8428	째C
Density	4812-7394	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)
S31640 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