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A 249 S31040 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 249 S31040

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SAE A 249 S31040

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This page is mainly introduced the A 249 S31040 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 249 S31040,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Steel Garde:A 249 S31040
Type:Stainless Steels
Country:USA
Standard:SAE
Standard Number:

ITEM Standard Number Descriptions

1 A 249/A 249M (2010) Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
Metallographic Structure:Austenite
Application:Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

ITEM	Standard Number	Descriptions
1	A 249/A 249M (2010)	Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Relevant products:

310Cb stainless steel plate

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
310SCb	YB	USA
310Cb	UNS	USA
A 167 Type 310Cb	SAE	USA
A 213 TP310Cb	SAE	USA
A 240 Type 310Cb	SAE	USA
A 249 TP310Cb	SAE	USA
A 276 310Cb	SAE	USA
A 312 TP310Cb	SAE	USA
A 358 310Cb	SAE	USA
A 409 TP310Cb	SAE	USA
A 478 Type 310Cb	SAE	USA
A 479 310Cb	SAE	USA
A 813 Grade TP 310Cb	SAE	USA
A 814 Grade TP 310Cb	SAE	USA
A 943 TP310Cb	SAE	USA
A 959 Type 310Cb	SAE	USA
SA-213 TP310Cb	AMS	USA
SA-240 Type 310Cb	AMS	USA
SA-249 TP310Cb	AMS	USA
SA-276 310Cb	AMS	USA
SA-312 TP310Cb	AMS	USA
SA-358 310Cb	AMS	USA
SA-409 TP310Cb	AMS	USA
SA-479 Type 310Cb	AMS	USA
SA-813 TP310Cb	AMS	USA
SA-814 TP 310Cb	AMS	USA
A 240 S31040	SAE	USA
A 276 S31040	SAE	USA
A 358 S31040	SAE	USA
A 409 S31040	SAE	USA
A 478 S31040	SAE	USA
A 814 S31040	SAE	USA
S31040	AISI	USA
SA-240 S31040	AMS	USA
SA-249 S31040	AMS	USA
SA-813 S31040	AMS	USA
SA-814 S31040	AMS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.08
Si		1.50
Mn		2.00
P		0.045
S		0.03
Cr	24.00	26.00
Ni	19.00	22.00
Nb+Ta		1.10

Mechanical Properties

Tensile strength	068～455	σb/MPa
Yield Strength	979	σ 0.2 ≥/MPa
Elongation	23	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	465～735	-
HRC	30	-

Physical Properties

Thermal expansion	49-63	e-6/K
Thermal conductivity	89-14	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8542-1495	째C
Density	7985-0798	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 249 S31040 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