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SA-268 S40500 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-268 S40500

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AMS SA-268 S40500

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This page is mainly introduced the SA-268 S40500 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-268 S40500,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service

Steel Garde:SA-268 S40500
Type:Stainless Steels
Country:USA
Standard:AMS

Standard Number:

ITEM	Standard Number	Descriptions
1	SA-268/SA-268M	Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service

Metallographic Structure:Ferrite
Application:Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 240 S40500	SAE	USA
A 268 S40500	SAE	USA
A 276 S40500	SAE	USA
A 473 S40500	SAE	USA
A 580 S40500	SAE	USA
S40500	AISI	USA
SA-240 S40500	AMS	USA
X17CrNi16-2	DIN	Germany
1.4057	DIN	Germany
SUS 405	JIS	Japan
SUS 405	JIS	Japan
SUS 405	JIS	Japan
SUS 405	JIS	Japan
SUS 405	JIS	Japan
SUS 405	JIS	Japan
SUS 405 TB	JIS	Japan
SUS 405 TP	JIS	Japan
SUS 405TP	JIS	Japan
X17CrNi16-2	B.S.	UK
1.4057	B.S.	UK
405S17	B.S.	UK
X45Cr13	DIN	Germany
1.3541	DIN	Germany
STS405	KS	Korea
STS405TB	KS	Korea
STS405TP	KS	Korea
CNS 405	CNS	China

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.08
Mn		1.00
Si		1.00
P		0.04
S		0.03
Cr	11.00	14.50
Ni
Mo
Al	0.10	0.30

Mechanical Properties

Tensile strength	199～134	σb/MPa
Yield Strength	421	σ 0.2 ≥/MPa
Elongation	41	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	539～509	-
HRC	30	-

Physical Properties

Thermal expansion	25-26	e-6/K
Thermal conductivity	77-17	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8567-7140	째C
Density	7367-6039	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)
SA-268 S40500 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