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

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UNS 317LN

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This page is mainly introduced the 317LN chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 317LN,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Chemical compositions of SAE wrought stainless steels

Steel Garde:317LN
Type:Stainless Steels
Country:USA
Standard:UNS
Standard Number:

ITEM Standard Number Descriptions

1 SAE J 405 (1998) Chemical compositions of SAE wrought stainless steels
Metallographic Structure:Austenite
Application:Chemical compositions of SAE wrought stainless steels

ITEM	Standard Number	Descriptions
1	SAE J 405 (1998)	Chemical compositions of SAE wrought stainless steels

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 167 Type 317LN	SAE	USA
A 240 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	532～549	σb/MPa
Yield Strength	345	σ 0.2 ≥/MPa
Elongation	21	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	592～605	-
HRC	30	-

Physical Properties

Thermal expansion	35-58	e-6/K
Thermal conductivity	54-69	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7534-7203	째C
Density	2948-3333	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)
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