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S44004 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S44004

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AISI S44004

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This page is mainly introduced the S44004 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S44004,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:S44004
Type:Stainless Steels
Country:USA
Standard:AISI
Metallographic Structure:Martensite
Application:Hardenable Chromium Stainless Steel

Relevant products:

X105CrMo17 Extruded Pipe

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 276 S44004	SAE	USA
A 314 S44004	SAE	USA
A 473 S44004	SAE	USA
A 493 S44004	SAE	USA
A 580 S44004	SAE	USA
SUS 440C	JIS	Japan
SUS 440C	JIS	Japan
SUS 440C	JIS	Japan
SUS 440C	JIS	Japan
STS440C	KS	Korea
440C	CNS	China
AISI440C	AISI	USA
ASTM440C	ASTM	USA
S44004	UNS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.95	1.20
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	552～066	σb/MPa
Yield Strength	876	σ 0.2 ≥/MPa
Elongation	37	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	670～774	-
HRC	30	-

Physical Properties

Thermal expansion	26-39	e-6/K
Thermal conductivity	93-33	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4104-6473	째C
Density	8353-1259	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)
S44004 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