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

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AISI S44003

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

Hardenable Chromium Stainless Steel

Steel Garde:S44003
Type:Stainless Steels
Country:USA
Standard:AISI
Metallographic Structure:Martensite
Application:Hardenable Chromium Stainless Steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 276 S44003	SAE	USA
A 314 S44003	SAE	USA
A 473 S44003	SAE	USA
A 580 S44003	SAE	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	900～559	σb/MPa
Yield Strength	751	σ 0.2 ≥/MPa
Elongation	13	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	287～904	-
HRC	30	-

Physical Properties

Thermal expansion	35-75	e-6/K
Thermal conductivity	71-78	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7457-3893	째C
Density	9446-9729	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)
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