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SA-479 S41425 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-479 S41425

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AMS SA-479 S41425

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This page is mainly introduced the SA-479 S41425 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-479 S41425,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels

Steel Garde:SA-479 S41425
Type:Stainless Steels
Country:USA
Standard:AMS

Standard Number:

ITEM	Standard Number	Descriptions
1	SA-479/SA-479M	Standard Guide Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vesselsfor Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

Metallographic Structure:Martensite
Application:Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 276 S41425	SAE	USA
A 314 S41425	SAE	USA
A 473 S41425	SAE	USA
A 479 S41425	SAE	USA
A 565 S41425	SAE	USA
A 959 S41425	SAE	USA
S41425	AISI	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.05
Mn	0.50	1.00
Si		0.05
P		0.02
S		0.005
Cr	12.00	14.00
Ni	4.00	7.00
Mo	0.50	1.00
N	0.06	0.12

Mechanical Properties

Tensile strength	239～977	σb/MPa
Yield Strength	781	σ 0.2 ≥/MPa
Elongation	93	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	944～204	-
HRC	30	-

Physical Properties

Thermal expansion	58-83	e-6/K
Thermal conductivity	44-73	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5541-0561	째C
Density	5582-1143	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-479 S41425 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