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A 473 S44003 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 473 S44003

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SAE A 473 S44003

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This page is mainly introduced the A 473 S44003 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 473 S44003,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Stainless Steel Forgings

Steel Garde:A 473 S44003
Type:Stainless Steels
Country:USA
Standard:SAE
Standard Number:

ITEM Standard Number Descriptions

1 A 473 (2009) Stainless Steel Forgings
Metallographic Structure:Martensite
Application:Stainless Steel Forgings

ITEM	Standard Number	Descriptions
1	A 473 (2009)	Stainless Steel Forgings

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 276 S44003	SAE	USA
A 314 S44003	SAE	USA
A 580 S44003	SAE	USA
S44003	AISI	USA
SUS 440B	JIS	Japan
STS440B	KS	Korea
440B	CNS	China
ASTM440B	ASTM	USA
AISI440B	AISI	USA
S44003	UNS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.75	0.95
Mn		1.00
Si		1.00
P		0.04
S		0.03
Cr	16.00	18.00
Ni
Mo		0.75

Mechanical Properties

Tensile strength	397～362	σb/MPa
Yield Strength	907	σ 0.2 ≥/MPa
Elongation	09	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	875～463	-
HRC	30	-

Physical Properties

Thermal expansion	10-42	e-6/K
Thermal conductivity	51-78	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4822-8673	째C
Density	9479-6119	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 473 S44003 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