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SA-268 S42900 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-268 S42900

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AMS SA-268 S42900

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This page is mainly introduced the SA-268 S42900 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-268 S42900,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 S42900
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 S42900	SAE	USA
A 268 S42900	SAE	USA
A 276 S42900	SAE	USA
A 314 S42900	SAE	USA
A 473 S42900	SAE	USA
A 493 S42900	SAE	USA
S42900	AISI	USA
SA-240 S42900	AMS	USA
SUS 429	JIS	Japan
SUS 429	JIS	Japan
SUS 429J1	JIS	Japan
SUS 429J1	JIS	Japan
SUS 429 J1	JIS	Japan
SUS 429 J1	JIS	Japan
X2CrNiMoN17-13-3	B.S.	UK
1.4429	B.S.	UK
X2CrNiMoN17-13-3	AFNOR	France
1.4429	AFNOR	France
STS429	KS	Korea
STS429J1	KS	Korea

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.12
Mn		1.00
Si		1.00
P		0.04
S		0.03
Cr	14.00	16.00
Ni
Mo		0.75

Mechanical Properties

Tensile strength	963～660	σb/MPa
Yield Strength	136	σ 0.2 ≥/MPa
Elongation	06	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	766～470	-
HRC	30	-

Physical Properties

Thermal expansion	66-83	e-6/K
Thermal conductivity	64-03	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2698-6556	째C
Density	5494-7568	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 S42900 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