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1.4462 Duplex Stainless Steel Tube 2205 S31803 S32205 For Chemical Industrial

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1.4462 Duplex Stainless Steel Tube 2205 S31803 S32205 For Chemical Industrial

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Brand Name :	DELTA
Model Number :	304 304L 316L 316LN 316Ti 317L 321 310S 309S 347 2205 2507 904L 254SMO S32760 410S.etc
Certification :	ISO
Price :	8500-9000 USD/Ton
Payment Terms :	T/T, Western Union, L/C
Supply Ability :	10 Ton per week
Delivery Time :	5 - 12 days based on the quantity

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1.4462 Duplex Stainless Steel Tube 2205 S31803 S32205 For Chemical Industrial

Duplex 1.4462 2205 S31803 S32205 Stainless Steel Pipe for Chemical Industrial Duplex SS Pipe

EN 10216-5 1.4462 Duplex Steel is a 21% chromium, 2.5% molybdenum, 4.5-6.5% nickel, nitrogen alloyed duplex stainless steel with high general, localized, and stress corrosion resistance properties in addition to high strength and excellent impact toughness.

EN 1.4462 Stainless Steel provides pitting and crevice corrosion resistance superior to 316L or 317L austenitic stainless steel in almost all corrosive media. It also has high corrosion and erosion fatigue properties as well as lower thermal expansion and higher thermal conductivity than austenitic.The advantage of a duplex structure is that it combines the favorable qualities of a ferritic alloy stress corrosion cracking resistance and high strength with austenitic alloy ease of fabrication and corrosion resistance.

1.4462 Duplex Steel is a nitrogen enhanced duplex stainless steel that was developed to combat common corrosion problems encountered with the 300 series stainless steel. “Duplex” describes a family of stainless steel that are neither fully austenitic, like 304 stainless, nor purely ferritic, like 430 stainless steel. The structure of 1.4462 duplex stainless steel consists of austenitic pools surrounded by a continuous ferritic phase. In the annealing condition, 1.4462 Stainless Steel contains approximately 40-50% ferrite. Often referred to as the work horse grade, 1.4462 Stainless Steel is the most widely used grade in the duplex stainless steel tube.

Usage of 1.4462 duplex steel should be limited to temperatures below 600°F. Extended elevated temperature exposure can embrittle 1.4462 steel.

1.4462 Duplex Steel Composition % according to EN 10216-5:

C	Si	Mn	P	S	Cr	Mo	Ni	N	Cu
max. 0,03	max. 1,00	max. 2,00	max. 0,035	max. 0,015	21,00 - 23,00	2,50 - 3,50	4,50 - 6,50	0,10-0,22	-

S32205 Stainless Steel Composition % according to ASTM A789 ASTM A790:

C	Si	Mn	P	S	Cr	Mo	Ni	N	Cu
max. 0,03	max. 1,00	max. 2,00	max. 0,030	max. 0,020	22,00 - 23,00	3,0 - 3,5	4,5 - 6,50	0,14-0,20	-

S31803 Stainless Steel Composition % according to ASTM A789 ASTM A790:

C	Si	Mn	P	S	Cr	Mo	Ni	N	Cu
max. 0,03	max. 1,00	max. 2,00	max. 0,030	max. 0,020	21,00 - 23,00	2,5 - 3,5	4,50 - 6,50	0,08-0,20	-

ASTM A789/A789M
ASTM A 790/A 790M
Duplex Stainless Steel Pipe
LDX 2101 S32101 1.4162 Duplex Stainless Steel Tubing Pipe
S31803 Stainless Steel Pipe
S32205 Stainless Steel Pipe
1.4462 Stainless Steel Pipe
S32304 1.4362 Duplex Stainless Steel Tubing Pipe
S32760 Stainless Steel Pipe
S32750 Stainless Steel Pipe
Super-Duplex Stainless Steel and their characteristics

Duplex Stainless Steel Pipe Specification:

Standard Item	ASTM A789		ASTM A790		EN 10216-5
Grade	S31803 S32205 S32750		S31803 S32205 S32750		1.4301 1.4307 1.4948 1.4315 1.4401 1.4404 1.4571 1.4541 1.4941 1.4845 1.4449 1.4438 1.4550 1.4912 1.4462 1.4410
Yield Strength (Mpa)	≥450；≥485；≥550		≥450；≥450；≥550		---
Tensile Strength (Mpa)	≥620；≥655；≥800		≥620；≥655；≥800		---
Elongation(%)	≥25；≥25；≥15		≥25；≥25；≥15		---
Hydrostatic Test					The hydrostatic test shall be carried out at a test pressure of 7MPa or at a test pressure calculated using the following formula P=2St/D S=70%Rp0.2
Intergranular Corrosion Test	Usually use Pitting Corrosion Test.		Usually use Pitting Corrosion Test.		EN ISO 3651-2 (Optional)
Eddy Current Test	Could be replaced by HT.		Could be replaced by HT.		EN 10246-3
O.D. Tolerance (mm)	O.D.	O.D.Tolerance	O.D.	O.D.Tolerance	O.D. Tolerance Class
	D<12.7	+/-0.13	10.3≤D≤48.3	+0.40/-0.80	D3	+/-0.75% or +/-0.3mm
	12.7≤D<38.1	+/-0.13	48.3<D≤114.3	+0.80/-0.80
					whichever is the greater
	38.1≤D<88.9	+/-0.25	114.3<D≤219.1	+1.60/-0.80	D4	+/-0.5% or +/-0.1mm
	88.9≤D<139.7	+/-0.38	219.1<D≤457.0	+2.40/-0.80
					whichever is the greater
W.T. Tolerance (mm)	O.D.	W.T.Tolerance	O.D.	W.T.Tolerance	W.T. Tolerance Class
	D<12.7	+/-15%	10.3≤D≤73.0	+20.0%/-12.5%	T3	+/-10% or +/-0.2mm
	12.7≤D<38.1	+/-10%
			88.9≤D≤457.0 t/D ≤5%	+22.5%/-12.5%	whichever is the greater
	38.1≤D<88.9	+/-10%			T4	+/-7.5% or +/-0.15mm
			88.9≤D≤457.0 t/D >5%	+15.0%/-12.5%
	88.9≤D<139.7	+/-10%
					whichever is the greater

1.4462 Duplex Steel Information

Products	OD	Wall	Lengths and/or coils	Grades	OD	Wall	Lengths
Welded Austenitic Steel Boiler, Super Heater, Heat-Exchangers & Condenser Tubes Specifications: EN 10216-5	3/16" (4.76 mm) to 4" (101.6 mm) Metric sizes available	0.020" (0.51 mm) to 0.220" (5.59 mm)	Random or cut lengths up to 68' (20.7 m) Coils to 1-1/2" OD	Duplex 2205	<1-1/2" (38.1 mm) ±0.005" (0.13 mm) 1-1/2" (38.1 mm) to 3" (76.2 mm) ±0.010" (0.25 mm) 3-1/2" (88.9 mm) to 4" (101.6 mm) ±0.015" (0.38 mm)	±10%	Randoms up to +2" (50.8 mm) Cuts +1/8" (3 mm) -0" Coils to 80,000' (24,384 m)

Physical Properties of 1.4462 Duplex Steel in the Annealed Condition at -20°F to +100°F

Tensile Strength

Yield Strength

Alloy

UNS

Spec.

MPa

ksi

MPa

ksi

Elongation in 2 in. (min.) %

Grain Size Req.

Max. Hardness

Modulus of Elasticity (x106 psi)

Mean Coefficient of Thermal Expansion (IN./IN./°F x 10-6)

Thermal Conductivity (BTU-in/ ft2-h-°F)

1.4462 Duplex

EN 10216-5

710

103

540

—

26 Rc,
27* Rc

27.5

7.6

180

1.4462 Duplex Steel Range

Alloy	UNS Designation	Werkstoff NR.	Specifications*
2205	S31803/S32205	1.4462	ASTM A789/ ASME SA789, ASTM A790 / ASMESA790 / EN 10216-5

Inch to mm Chart

Inch	Decimal	Millimeters
1/16″	.0625	1.59 mm
1/8″	.1250	3.18 mm
3/16″	.1875	4.76 mm
1/4″	.2500	6.35 mm
5/16″	.3125	7.94 mm
3/8″	.3750	9.53 mm
7/16″	.4375	11.11 mm
1/2″	.5000	12.70 mm
9/16″	.5625	14.29 mm
5/8″	.6250	15.88 mm
11/16″	.6875	17.46 mm
3/4″	.7500	19.05 mm
13/16″	.8125	20.64 mm
7/8″	.8750	22.23 mm
15/16″	.9375	23.81 mm
1″	1.00	25.40 mm

1.4462 Duplex Stainless Steel Tube 2205 S31803 S32205 For Chemical Industrial

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