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A 312 TP309S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 312 TP309S

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SAE A 312 TP309S

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This page is mainly introduced the A 312 TP309S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 312 TP309S,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 TP309S
Type:Stainless Steels
Country:USA
Standard:SAE
Standard Number:

ITEM Standard Number Descriptions

1 A 312/A 312M (2012) Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
Metallographic Structure:Austenite
Application:Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

ITEM	Standard Number	Descriptions
1	A 312/A 312M (2012)	Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
309S	UNS	USA
309S	YB	USA
A 167 Type 309S	SAE	USA
A 213 TP309S	SAE	USA
A 240 Type 309S	SAE	USA
A 249 TP309S	SAE	USA
A 276 309S	SAE	USA
A 314 309S	SAE	USA
A 358 309S	SAE	USA
A 409 TP309S	SAE	USA
A 473 309S	SAE	USA
A 478 Type 309S	SAE	USA
A 479 309S	SAE	USA
A 511 MT309S	SAE	USA
A 554 MT 309S	SAE	USA
A 580 Type 309S	SAE	USA
A 813 Grade TP 309S	SAE	USA
A 814 Grade TP 309S	SAE	USA
A 943 TP309S	SAE	USA
A 240 S30908	SAE	USA
A 249 S30908	SAE	USA
A 276 S30908	SAE	USA
A 314 S30908	SAE	USA
A 358 S30908	SAE	USA
A 409 S30908	SAE	USA
A 473 S30908	SAE	USA
A 478 S30908	SAE	USA
A 580 S30908	SAE	USA
A 813 S30908	SAE	USA
A 814 S30908	SAE	USA
S30908	AISI	USA
SA-240 S30908	AMS	USA
SA-249 S30908	AMS	USA
SA-813 S30908	AMS	USA
SA-814 S30908	AMS	USA
A 554 MT 309S -Cb	SAE	USA
A 240 S30940	SAE	USA
A 249 S30940	SAE	USA
A 276 S30940	SAE	USA
A 314 S30940	SAE	USA
A 358 S30940	SAE	USA
A 409 S30940	SAE	USA
A 478 S30940	SAE	USA
A 580 S30940	SAE	USA
A 813 S30940	SAE	USA
A 814 S30940	SAE	USA
S30940	AISI	USA
SA 249 S30940	AMS	USA
SA-240 S30940	AMS	USA
SA-813 S30940	AMS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.08
Si		1.00
Mn		2.00
P		0.045
S		0.03
Cr	22.0	24.0
Ni	12.0	15.0

Mechanical Properties

Tensile strength	756～984	σb/MPa
Yield Strength	376	σ 0.2 ≥/MPa
Elongation	79	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	214～650	-
HRC	30	-

Physical Properties

Thermal expansion	03-28	e-6/K
Thermal conductivity	81-33	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5271-5522	째C
Density	1941-8045	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 TP309S 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