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SA-268 S46800 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-268 S46800

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AMS SA-268 S46800

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This page is mainly introduced the SA-268 S46800 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-268 S46800,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 S46800
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 S46800	SAE	USA
A 268 S46800	SAE	USA
A 959 S46800	SAE	USA
S46800	AISI	USA
SA-240 S46800	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	18.00	20.00
Ni		0.50
Mo

Mechanical Properties

Tensile strength	358～881	σb/MPa
Yield Strength	347	σ 0.2 ≥/MPa
Elongation	88	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	524～374	-
HRC	30	-

Physical Properties

Thermal expansion	34-72	e-6/K
Thermal conductivity	04-65	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3695-8005	째C
Density	8307-1671	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 S46800 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