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A 312 TP347LN chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 312 TP347LN

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SAE A 312 TP347LN

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This page is mainly introduced the A 312 TP347LN chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 312 TP347LN,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

Steel Garde:A 312 TP347LN
Type:Stainless Steels
Country:USA
Standard:SAE
Standard Number:

ITEM Standard Number Descriptions

1 A 312/A 312M (2013) Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
Metallographic Structure:Precipitation-Hardening
Application:Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

ITEM	Standard Number	Descriptions
1	A 312/A 312M (2013)	Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 182 F 347LN	SAE	USA
A 193 347LN Class 1	SAE	USA
A 193 347LN Class 1A	SAE	USA
A 193 347LN Class 1D	SAE	USA
A 213 TP347LN	SAE	USA
A 240 Type 347LN	SAE	USA
A 271 TP347LN	SAE	USA
A 376 TP347LN	SAE	USA
A 403 CR347LN	SAE	USA
A 403 WP 347LN	SAE	USA
A 580 Type 347LN	SAE	USA
SA-213 TP347LN	AMS	USA
SA-312 TP347LN	AMS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.005	0.02
Si		0.75
Mn		2.00
P		0.04
S		0.03
Ni	9.00	13.00
Cr	17.00	20.00
Al
Cu
Ti
Fe
N	0.06	0.10
Mo
V

Mechanical Properties

Tensile strength	178～660	σb/MPa
Yield Strength	801	σ 0.2 ≥/MPa
Elongation	26	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	922～528	-
HRC	30	-

Physical Properties

Thermal expansion	06-41	e-6/K
Thermal conductivity	11-24	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3775-5266	째C
Density	4409-8634	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 312 TP347LN 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