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A 240 Type 317LN chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 240 Type 317LN

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SAE A 240 Type 317LN

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This page is mainly introduced the A 240 Type 317LN chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 240 Type 317LN,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

Steel Garde:A 240 Type 317LN
Type:Stainless Steels
Country:USA
Standard:SAE

Standard Number:

ITEM	Standard Number	Descriptions
1	A 240/A 240M (2012)	Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

Metallographic Structure:Austenite
Application: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
317LN	UNS	USA
A 167 Type 317LN	SAE	USA
A 959 Type 317LN	SAE	USA
SUS317LN	AMS	USA
A 240 S31753	SAE	USA
S31753	AISI	USA
SA-240 S31753	AMS	USA
STS317LN	KS	Korea

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.03
Mn		2.00
Si		0.75
P		0.045
S		0.03
Cr	18.00	20.00
Ni	11.00	15.00
Mo	3.00	4.00
N	0.10	0.20

Mechanical Properties

Tensile strength	259～419	σb/MPa
Yield Strength	667	σ 0.2 ≥/MPa
Elongation	46	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	500～371	-
HRC	30	-

Physical Properties

Thermal expansion	77-05	e-6/K
Thermal conductivity	92-25	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6818-7004	째C
Density	7536-3102	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 240 Type 317LN 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