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S41040 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S41040

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AISI S41040

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This page is mainly introduced the S41040 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S41040,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Martensitic Chromium Stainless Steel with Columbium

Steel Garde:S41040
Type:Stainless Steels
Country:USA
Standard:AISI
Metallographic Structure:Martensite
Application:Martensitic Chromium Stainless Steel with Columbium

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 276 S41040	SAE	USA
A 276 S41040	SAE	USA
S41040	AISI	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.15
Mn		1.00
Si		1.00
P		0.04
S		0.03
Cr	11.50	13.50
Ni
Mo
Nb	0.05	0.20

Mechanical Properties

Tensile strength	652～598	σb/MPa
Yield Strength	106	σ 0.2 ≥/MPa
Elongation	67	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	903～598	-
HRC	30	-

Physical Properties

Thermal expansion	64-71	e-6/K
Thermal conductivity	12-43	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9834-2502	째C
Density	5797-0779	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)
S41040 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