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SA-409 S31725 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-409 S31725

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AMS SA-409 S31725

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This page is mainly introduced the SA-409 S31725 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-409 S31725,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service

Steel Garde:SA-409 S31725
Type:Stainless Steels
Country:USA
Standard:AMS
Standard Number:

ITEM Standard Number Descriptions

1 SA-409/SA-409M Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service
Metallographic Structure:Austenite
Application:Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service

ITEM	Standard Number	Descriptions
1	SA-409/SA-409M	Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 167 S31725	SAE	USA
A 240 S31725	SAE	USA
A 249 S31725	SAE	USA
A 269 S31725	SAE	USA
A 276 S31725	SAE	USA
A 312 S31725	SAE	USA
A 358 S31725	SAE	USA
A 376 S31725	SAE	USA
A 403 CRS31725	SAE	USA
A 403 WP S31725	SAE	USA
A 409 S31725	SAE	USA
A 479 S31725	SAE	USA
A 943 S31725	SAE	USA
A 988 S31725	SAE	USA
S31725	AISI	USA
SA-240 S31725	AMS	USA
SA-249 S31725	AMS	USA
SA-276 S31725	AMS	USA
SA-312 S31725	AMS	USA
SA-358 S31725	AMS	USA
SA-376 S31725	AMS	USA
SA-479 S31725	AMS	USA
A 167 S31725	SAE	USA
A 240 S31725	SAE	USA
A 249 S31725	SAE	USA
A 269 S31725	SAE	USA
A 276 S31725	SAE	USA
A 312 S31725	SAE	USA
A 358 S31725	SAE	USA
A 376 S31725	SAE	USA
A 403 CRS31725	SAE	USA
A 403 WP S31725	SAE	USA
A 409 S31725	SAE	USA
A 479 S31725	SAE	USA
A 943 S31725	SAE	USA
A 988 S31725	SAE	USA
S31725	AISI	USA
SA-240 S31725	AMS	USA
SA-249 S31725	AMS	USA
SA-276 S31725	AMS	USA
SA-312 S31725	AMS	USA
SA-358 S31725	AMS	USA
SA-376 S31725	AMS	USA
SA-409 S31725	AMS	USA
SA-479 S31725	AMS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.03
Mn		2.00
Si		1.00
P		0.045
S		0.03
Cr	18.00	20.00
Ni	13.50	17.50
Mo	4.00	5.00
N		0.10

Mechanical Properties

Tensile strength	192～201	σb/MPa
Yield Strength	819	σ 0.2 ≥/MPa
Elongation	78	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	344～895	-
HRC	30	-

Physical Properties

Thermal expansion	64-14	e-6/K
Thermal conductivity	84-79	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1854-9911	째C
Density	4659-3648	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-409 S31725 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