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A 268 S44300 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 268 S44300

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SAE A 268 S44300

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This page is mainly introduced the A 268 S44300 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 268 S44300,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 S44300
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
00Cr17Ni14Mo2	GB	China
X2CrNiMo18-14-3	AWS	Germany
1.4435	AWS	Germany
Z 3 CND 17-11-02	DIN	France
TS 60	SS	International
S44300	AISI	USA
SA-1008 BHS Grade 44[300]	AMS	USA
SA-1008 SHS Grade 44[300]	AMS	USA
SA-268 S44300	AMS	USA
X2CrNiMoN17-13-5	AWS	Germany
1.4439	AWS	Germany
X2CrNiMo17-12-3	B.S.	UK
1.4432	B.S.	UK
X3CrNiMo17-13-3	B.S.	UK
1.4436	B.S.	UK
X2CrNiMo18-14-3	B.S.	UK
1.4435	B.S.	UK
X2CrNiMoN17-13-5	B.S.	UK
1.4439	B.S.	UK
443S65	B.S.	UK
X2CrNiMo18-14-3	AFNOR	France
1.4435	AFNOR	France
X2CrNiMoN17-13-5	AFNOR	France
1.4439	AFNOR	France
X3CrNiMo17-13-3	AFNOR	France
1.4436	AFNOR	France
X2CrNiMoN18-12-4	AFNOR	France
1.4434	AFNOR	France
X2CrNiMo18-15-4	AFNOR	France
1.4438	AFNOR	France
X2CrNiMo18-14-3	Whole	Germany
X3(5)CrNiMo17-13-3	Whole	Germany
X3CrNiMo17-13-3, 1.4436, X2CrNiMo18-14-3, 1.4435, 1.4432, X2CrNiMo17-12-3	Whole	Whole

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.02
Mn		1.00
Si		1.00
P		0.04
S		0.03
Cr	18.00	23.00
Ni		0.50
Mo
Cu	0.90	1.25

Mechanical Properties

Tensile strength	747～705	σb/MPa
Yield Strength	016	σ 0.2 ≥/MPa
Elongation	36	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	328～190	-
HRC	30	-

Physical Properties

Thermal expansion	07-88	e-6/K
Thermal conductivity	24-79	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8826-8766	째C
Density	4610-8191	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 S44300 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