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A 268 S44627 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 268 S44627

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SAE A 268 S44627

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This page is mainly introduced the A 268 S44627 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 268 S44627,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service

Steel Garde:A 268 S44627
Type:Stainless Steels
Country:USA
Standard:SAE
Standard Number:

ITEM Standard Number Descriptions

1 A 268/A 268M (2010) Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
Metallographic Structure:Ferrite
Application:Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service

ITEM	Standard Number	Descriptions
1	A 268/A 268M (2010)	Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 240 S44627	SAE	USA
A 276 S44627	SAE	USA
S44627	AISI	USA
SA-240 S44627	AMS	USA
SA-268 S44627	AMS	USA
A 240 S44627	SAE	USA
A 268 S44627	SAE	USA
A 276 S44627	SAE	USA
S44627	AISI	USA
SA-240 S44627	AMS	USA
SA-268 S44627	AMS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.01
Mn		0.40
Si		0.40
P		0.02
S		0.02
Cr	25.00	27.00
Ni		0.50
Mo	0.75	1.50
N		0.015
Cu		0.020
Nb	0.05	0.20

Mechanical Properties

Tensile strength	589～845	σb/MPa
Yield Strength	370	σ 0.2 ≥/MPa
Elongation	10	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	466～317	-
HRC	30	-

Physical Properties

Thermal expansion	61-79	e-6/K
Thermal conductivity	08-96	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3309-8354	째C
Density	6039-1866	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)
A 268 S44627 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