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SA-312 TP304LN chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-312 TP304LN

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AMS SA-312 TP304LN

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This page is mainly introduced the SA-312 TP304LN chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-312 TP304LN,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for Seamless and Welded Austenitic Stainless Steel Pipes

Steel Garde:SA-312 TP304LN
Type:Stainless Steels
Country:USA
Standard:AMS
Standard Number:

ITEM Standard Number Descriptions

1 SA-312/SA-312M Specification for Seamless and Welded Austenitic Stainless Steel Pipes
Metallographic Structure:Austenite
Application:Specification for Seamless and Welded Austenitic Stainless Steel Pipes

ITEM	Standard Number	Descriptions
1	SA-312/SA-312M	Specification for Seamless and Welded Austenitic Stainless Steel Pipes

Relevant products:

S30453/304LN/1-4311 Tube

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
304LN	UNS	USA
A 167 Type 304LN	SAE	USA
A 182 F 304LN	SAE	USA
A 213 TP304LN	SAE	USA
A 240 Type 304LN	SAE	USA
A 249 TP304LN	SAE	USA
A 269 TP304LN	SAE	USA
A 276 304LN	SAE	USA
A 312 TP304LN	SAE	USA
A 336 Grade F304LN	SAE	USA
A 358 304LN	SAE	USA
A 376 TP304LN	SAE	USA
A 403 CR304LN	SAE	USA
A 403 WP 304LN	SAE	USA
A 479 304LN	SAE	USA
A 666 Type 304LN	SAE	USA
A 688 Grade TP 304LN	SAE	USA
A 813 Grade TP 304LN	SAE	USA
A 814 Grade TP 304LN	SAE	USA
A 943 TP304LN	SAE	USA
A 959 Type 304LN	SAE	USA
A 965 Grade F304LN	SAE	USA
SA-182 F 304LN	AMS	USA
SA-213 TP304LN	AMS	USA
SA-240 Type 304LN	AMS	USA
SA-249 TP304LN	AMS	USA
SA-276 304LN	AMS	USA
SA-336 Grade F304LN	AMS	USA
SA-358 304LN	AMS	USA
SA-376 TP304LN	AMS	USA
SA-403 WP 304LN	AMS	USA
SA-479 Type 304LN	AMS	USA
SA-666 304LN	AMS	USA
SA-688 TP 304LN	AMS	USA
SA-813 TP304LN	AMS	USA
SA-814 TP 304LN	AMS	USA
SA-965 Grade F304LN	AMS	USA
SUS 304 LN	FED	Japan
SUS F 304LN	FED	Japan
A 240 S30453	SAE	USA
A 249 S30453	SAE	USA
A 269 S30453	SAE	USA
A 276 S30453	SAE	USA
A 358 S30453	SAE	USA
A 666 S30453	SAE	USA
A 688 S30453	SAE	USA
A 813 S30453	SAE	USA
A 814 S30453	SAE	USA
A 965 S30453	SAE	USA
A 988 S30453	SAE	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.03
Si		1.00
Mn		2.00
P		0.045
S		0.03
Cr	18.0	20.0
Ni	8.00	12.0
N	0.10	0.16

Mechanical Properties

Tensile strength	991～020	σb/MPa
Yield Strength	803	σ 0.2 ≥/MPa
Elongation	63	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	011～220	-
HRC	30	-

Physical Properties

Thermal expansion	80-48	e-6/K
Thermal conductivity	02-63	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4987-2186	째C
Density	5339-3265	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)
SA-312 TP304LN 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