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S40945 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S40945

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AISI S40945

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This page is mainly introduced the S40945 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S40945,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Ferritic Chromium Stainless Steel with Columbium

Steel Garde:S40945
Type:Stainless Steels
Country:USA
Standard:AISI
Metallographic Structure:Ferrite
Application:Ferritic Chromium Stainless Steel with Columbium

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 176 S40945	SAE	USA
A 240 S40945	SAE	USA
A 959 S40945	SAE	USA
SA-240 S40945	AMS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.03
Mn		1.00
Si		1.00
P		0.04
S		0.03
Cr	10.50	11.70
Ni		0.50
Mo
Nb	0.18	0.40
Ti	0.05	0.20
N		0.03

Mechanical Properties

Tensile strength	803～398	σb/MPa
Yield Strength	108	σ 0.2 ≥/MPa
Elongation	39	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	399～309	-
HRC	30	-

Physical Properties

Thermal expansion	76-39	e-6/K
Thermal conductivity	85-54	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8068-2220	째C
Density	8714-7972	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)
S40945 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