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A 249 S31254 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 249 S31254

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SAE A 249 S31254

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This page is mainly introduced the A 249 S31254 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 249 S31254,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 S31254
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

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 167 S31254	SAE	USA
A 213 S31254	SAE	USA
A 240 S31254	SAE	USA
A 269 S31254	SAE	USA
A 270 S31254	SAE	USA
A 276 S31254	SAE	USA
A 312 S31254	SAE	USA
A 358 S31254	SAE	USA
A 403 CRS31254	SAE	USA
A 403 WP S31254	SAE	USA
A 409 S31254	SAE	USA
A 473 S31254	SAE	USA
A 479 S31254	SAE	USA
A 688 S31254	SAE	USA
A 813 S31254	SAE	USA
A 814 S31254	SAE	USA
A 943 S31254	SAE	USA
A 959 S31254	SAE	USA
A 988 S31254	SAE	USA
S31254	AISI	USA
SA-213 S31254	AMS	USA
SA-240 S31254	AMS	USA
SA-249 S31254	AMS	USA
SA-276 S31254	AMS	USA
SA-312 S31254	AMS	USA
SA-358 S31254	AMS	USA
SA-403 S31254	AMS	USA
SA-409 S31254	AMS	USA
SA-479 S31254	AMS	USA
SA-688 S31254	AMS	USA
SA-813 S31254	AMS	USA
SA-814 S31254	AMS	USA
254SMO, X1CrNiMoCuN20-18-7, 1.4547, UNS S31254	AFNOR	France
A 167 S31254	SAE	USA
A 213 S31254	SAE	USA
A 240 S31254	SAE	USA
A 249 S31254	SAE	USA
A 269 S31254	SAE	USA
A 270 S31254	SAE	USA
A 276 S31254	SAE	USA
A 312 S31254	SAE	USA
A 358 S31254	SAE	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.02
Mn		1.00
Si		0.80
P		0.03
S		0.01
Cr	19.50	20.50
Ni	17.50	18.50
Mo	6.00	6.50
Cu	0.50	1.00
N	0.18	0.22

Mechanical Properties

Tensile strength	207～206	σb/MPa
Yield Strength	166	σ 0.2 ≥/MPa
Elongation	56	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	826～304	-
HRC	30	-

Physical Properties

Thermal expansion	04-67	e-6/K
Thermal conductivity	72-63	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3520-7582	째C
Density	4455-0269	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 S31254 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