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SA-249 N08904 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-249 N08904

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AMS SA-249 N08904

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This page is mainly introduced the SA-249 N08904 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-249 N08904,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Steel Garde:SA-249 N08904
Type:Stainless Steels
Country:USA
Standard:AMS
Standard Number:

ITEM Standard Number Descriptions

1 SA-249/SA-249M Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
Metallographic Structure:Austenite
Application:Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

ITEM	Standard Number	Descriptions
1	SA-249/SA-249M	Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 213 N08904	SAE	USA
A 240 N08904	SAE	USA
A 249 N08904	SAE	USA
A 269 N08904	SAE	USA
A 276 N08904	SAE	USA
A 312 N08904	SAE	USA
A 358 N08904	SAE	USA
B 649 N08904	SAE	USA
N08904	AISI	USA
SA-240 N08904	AMS	USA
SA-312 N08904	AMS	USA
SA-358 N08904	AMS	USA
SB-625 N08904	AMS	USA
SB-649 N08904	AMS	USA
SB-673 N08904	AMS	USA
SB-674 N08904	AMS	USA
SB-677 N08904	AMS	USA
X1NiCrMoCu25-20-5, 1.4539, AISI 904L, N08904	EN	European

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.02
Mn		2.00
Si		1.00
P		0.045
S		0.035
Cr	19.00	23.00
Ni	23.00	28.00
Mo	4.00	5.00
Cu	1.00	2.00

Mechanical Properties

Tensile strength	192～576	σb/MPa
Yield Strength	628	σ 0.2 ≥/MPa
Elongation	41	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	854～908	-
HRC	30	-

Physical Properties

Thermal expansion	74-03	e-6/K
Thermal conductivity	26-57	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2002-5710	째C
Density	2277-9557	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-249 N08904 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