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

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AISI S44401

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

Chromium Molybdenum Stainless Steel

Steel Garde:S44401
Type:Stainless Steels
Country:USA
Standard:AISI
Metallographic Structure:Ferrite
Application:Chromium Molybdenum Stainless Steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 479 S44401	SAE	USA
A 493 S44401	SAE	USA
A 580 S44401	SAE	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	422～461	σb/MPa
Yield Strength	306	σ 0.2 ≥/MPa
Elongation	83	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	991～268	-
HRC	30	-

Physical Properties

Thermal expansion	59-63	e-6/K
Thermal conductivity	60-67	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3089-1828	째C
Density	7714-4794	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)
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