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A 479 S44401 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 479 S44401

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SAE A 479 S44401

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This page is mainly introduced the A 479 S44401 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 479 S44401,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels

Steel Garde:A 479 S44401
Type:Stainless Steels
Country:USA
Standard:SAE
Standard Number:

ITEM Standard Number Descriptions

1 A 479/A 479M (2011) Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
Metallographic Structure:Ferrite
Application:Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels

ITEM	Standard Number	Descriptions
1	A 479/A 479M (2011)	Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 493 S44401	SAE	USA
A 580 S44401	SAE	USA
S44401	AISI	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.025
Mn		1.00
Si
P		0.03
S		0.03
Cr	17.50	19.50
Ni		1.00
Mo	1.75	2.50
N		0.035

Mechanical Properties

Tensile strength	419～611	σb/MPa
Yield Strength	924	σ 0.2 ≥/MPa
Elongation	09	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	397～189	-
HRC	30	-

Physical Properties

Thermal expansion	98-36	e-6/K
Thermal conductivity	63-83	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8762-2279	째C
Density	7514-2366	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 479 S44401 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