Duplex Pipe

Q: What is Duplex Seamless Pipes made from?

It's a duplex stainless steel (austenitic-ferritic), manufactured and stocked by us to ASTM A790 specifications.

Q: Which specifications does Duplex Pipe meet?

It meets ASTM A790 and UNS S31803 for chemical composition, mechanical properties and dimensional tolerance.

Q: What sizes does Pipe Duplex come in?

We supply standard mill sizes ex-stock, with custom cutting available on request.

Q: Where does Kanakratna Steelage stock Duplex Stainless Steel Pipe from?

We stock and ship ex-Mumbai, India, with pan-India and international export delivery.

Q: What determines Duplex Steel Pipe pricing?

Price depends on size, quantity, form, heat-treatment condition and current raw-material market rates.

Duplex Pipe Manufacturer in India a Vast Range of Diameters Are Available to Meet Customer Needs

Duplex Pipe Features

Seamless Pipe
Welded Pipe
Seamless Tube
Welded Tube
MTC
Brands

3-600mm OD
6-200mm OD
375" to 1" OD
0.125" to 1"mm
EN 10204 3.1
Tubacex, Pietra, Tubos Reunidos

Duplex Pipe and Tube Standards

UNS: S31803 / S32205
WNR: 1.4462
Specification: ASTM A790 / ASME SA790
International Specification: ASTM A790, ASTM A789, ASTM A928
Trade Name: SAF® 2205, SM22CR®, 22 Chrome Duplex,

Custom 2205 Duplex Stainless Steel Seamless Pipe and Tube Supplier in India

Duplex Seamless Pipe Size Chart

Duplex Pipe Stockist for Offers a Various Range of Size

Wall Thickness in (Millimeter)	Outside Daimeter in (Millimeter)	Inches	Kg/m	SCH
8.18	219.08	8	43.20	40S
6.55	141.30	5	22.10	40S
3.05	114.30	4	8.50	10S
3.05	73.03	2½	5.35	10S
3.4	168.28	6	14.04	10S
2.77	48.26	1½	3.16	10S
2.77	33.40	1	2.13	10S
2.11	26.67	3/4	1.30	10S
2.11	21.34	1/2	1.02	10S
1.65	17.15	3/8	0.64	10S
1.65	13.72	1/4	0.50	10S

Duplex Seamless Pipe

SAF 2205 Welded Pipe

Duplex 2205 ERW Pipe

Tabel Of Content

Duplex Pipe Specification
Duplex Stainless Steel Pipe Schedule Chart
Duplex Pipe Weight Chart
Duplex Stainless Steel Pipe Wall Thickness
Documentation of Alloy 2205 Rectangular Pipe
WNR 1.4462 Square Pipe Testings
22 Chrome Duplex Heat Exchanger Tube Surface Finishes
Types of Stainless Steel Duplex Pipe
Tolerances of Duplex 2205 Boiler Tube
Applications of Duplex Pipe
Duplex Stainless Steel Round Pipe Roughness
Duplex Pipe Price
Duplex 2205 Stainless Steel Pipe Temperature Range
Duplex Pipe Material Grade
Duplex 2205 Pipe Pressure Rating
Duplex Pipe ASTM Code
HSN Code of Duplex Pipe Material
Duplex Pipe Welding
Physical Properties of Duplex Stainless Steel ERW Pipe
Advantages of Stainless Steel Duplex Pipe
Duplex Steel Pipe Chemical Composition
Which Challenges Arise During the Production of Duplex SS Pipe ?
Mechanical Properties of Duplex Seamless Pipe
Duplex Pipe Equivalent

Duplex Pipe Specification

2205 Duplex Stainless Steel Seamless Pipe Size

Outside Diameter: 4 - 219mm
Wall Thickness: 0.5 - 20mm
Length: Single, Double Random, Cut Length

2205 Pipe Welded Pipe Size

Outside Diameter: 5.0 - 1219.2 mm
Wall Thickness: 0.5 - 20mm
Length: pto 26 m

Duplex 2205 Seamless Tube Size

Wall Thickness: 035" to .065"
Outside Diameter: 375" to 1"
Length: Upto 12 meters

Stainless Steel Duplex Welded Tube Size

Wall Thickness: 0.35" to 1.09"
Outside Diameter: 0.125" to 1"
Length: upto 26 Meters

Duplex Stainless Steel Thick-Walled Pipe Sizes

Outside Diameter: 6 to 630 mm
Wall Thickness: 0.5 to 30 mm
Length: Custom

DSS 2205 Capillary Tube Sizes

Wall Thickness:0.1 to 3 mm
Outside Diameter:0.4 to 16 mm
Length:0.5 to 12 meter

Duplex Stainless Steel Tube Form

Coil
Straight
Round
Hydraulic

Duplex 2205 Exhaust Pipe Marking

Material Grade
Heat Number
Nominal Size
Method of Manufacturing

Stainless Steel Duplex Clad Pipe Shape

Square
Round
Rectangle

Duplex Stainless Pipe Physical Properties

Density: 7.8 g/cm³
Temprature Range: -50°C to 300°C
Melting Point: 1350 °C (2460 °F)

Duplex SS Solution Annealed Pipe Finish

Annealing
Polished
Pickling
Bright

Duplex Stainless Steel Round Pipe Origin

Japanese
European
Indian, Korean
American

22 Chrome Duplex Annealed Pipe Services

Polishing
Threading
Beveling

2205 Duplex Stainless Steel Pipe Method

Hot Formed
Cold Formed
Precision Rolled

DSS 2205 Capillary Tube Process

ERW
Seamless
Redrawn
Welded

Duplex Cold Drawn Pipe End

Grooved
Bevelled
Threaded
Plain

Duplex Pipe Supplier in India Gives Excellent Schedule Chart For Pipe

2205 Stainless Steel Welded and ERW Pipe Stockist in Mumbai With Schedule 5 to 80S

Duplex Stainless Steel Pipe Schedule Chart

Nominal Pipe Size	Outside Daimeter	SCH 5S		SCH 10		SCH 10S		SCH 20		SCH 30		SCH 40S/STD		SCH 40		SCH 60
Nominal Pipe Size	Outside Daimeter	kg/m	WT	kg/m	WT	kg/m	WT	kg/m	WT	kg/m	WT	kg/m	WT	kg/m	WT	kg/m	WT
30"	762	120.15	6.35	147.2	7.92	149.55	7.92	234.6	12.7	291.1	15.88	176.8	9.53	-	-	-	-
28"	711.2	-	-	137.3	7.92	-	-	218.6	12.7	271.2	15.88	164.8	9.53	-	-	-	-
26"	660.4	-	-	127.3	7.92	-	-	202.7	12.7	-	-	152.8	9.53	-	-	-	-
24"	609.6	83.8	5.54	94.53	6.35	95.92	6.35	141.1	9.53	209.5	14.27	141.1	9.53	255.4	17.48	235.2	24.61
22"	558.9	65.8	4.78	85.54	6.35	75.75	5.54	129.1	9.53	171	12.7	129.1	9.53	-	-	234.2	22.23
20"	508	60.23	4.78	78.55	6.35	69.7	5.54	117.1	9.53	155.1	12.7	117.1	9.53	183.4	15.09	247.8	20.62
18"	457.2	47.53	4.19	70.57	6.35	54.15	4.78	87.71	7.92	122.3	11.13	105.1	9.53	155.8	14.27	205.7	19.05
16"	406.4	42.2	4.19	62.64	6.35	48.07	4.78	77.83	7.92	93.27	9.53	93.27	9.53	123.3	12.7	160.1	16.66
14"	355.6	34.87	3.96	54.69	6.35	41.99	4.78	67.9	7.92	81.33	9.53	81.33	9.53	94.55	11.13	126.7	15.09
12"	323.8	31.71	3.96	-	-	36.53	4.57	49.73	6.35	65.2	8.38	73.88	9.53	79.73	10.31	108.9	14.28
10"	273	22.95	3.4	-	-	28.2	4.19	41.77	6.35	51.03	7.8	60.3	9.27	60.3	9.27	81.55	12.7
8"	219.1	14.9	2.77	-	-	20.12	3.4	33.31	6.35	36.81	7.07	42.55	8.18	42.55	8.18	53.08	10.31
6"	168.3	11.48	2.77	-	-	14.04	3.4	-	-	-	-	28.26	7.11	28.26	7.11	-	-
5"	141.3	9.61	2.77	-	-	11.74	3.4	-	-	-	-	21.77	6.55	21.77	6.55	-	-
4"	114.3	5.93	2.11	-	-	8.54	3.05	-	-	-	-	16.07	6.02	16.07	6.02	-	-
3"	88.9	4.59	2.11	-	-	6.56	3.05	-	-	-	-	11.29	5.49	11.29	5.49	-	-
2"	60.3	2.42	1.65	-	-	3.99	2.77	-	-	-	-	5.44	3.91	5.44	3.91	-	-
1"	33.4	1.31	1.65	-	-	2.13	2.77	-	-	-	-	2.5	3.38	2.5	3.38	-	-
1/4"	13.7	-	-	-	-	0.5	1.65	-	-	-	-	0.63	2.24	0.63	2.24	-	-
1/2"	21.3	0.81	1.65	-	-	1.02	2.11	-	-	-	-	1.27	2.77	1.27	2.77	-	-

Duplex Pipe Weight Chart

Duplex Pipe Stockist Offers an Excellent Pipe Weight Chart

Weight		SWG 10 (3.2 MM)	SWG 12 (2.6 MM)	SWG 14 (2.1 MM)	SWG 16 (1.65 MM)	SWG 18 (1.2 MM)	SWG 19 (1.0 MM)
Sizes in (Inches)	Outside Daimeter (OD)	Weight/m
5/8	15.875	1.006	0.856	0.718	0.582	0.437	0.369
4	101.6	7.810	6.385	5.183	4.091	2.988	2.495
3	76.2	5.794	4.747	3.860	3.051	2.232	1.865
3/4	19.05	1.258	1.061	0.883	0.712	0.531	0.448
2	50.8	3.778	3.108	2.537	2.012	1.476	1.235
1 1/4	31.75	2.266	1.880	1.544	1.232	0.909	0.763
1 1/2	38.1	2.770	2.289	1.875	1.492	1.098	0.920
1	25.4	1.762	1.470	1.214	0.972	0.720	0.605
1/2	12.7	0.754	0.651	0.552	0.452	0.342	0.290

Duplex Stainless Steel Pipe Wall Thickness

Sizes in (Inches)	Wall Thickness in (Millimeter)
12 (DN 300)	5-16
10 (DN 250)	4.5-15
8 (DN 200)	4-12
6 (DN 150)	4-10
4 (DN 100)	3-8
2 (DN 50)	1.6-5
1 (DN 25)	1.2-3
1/2 (DN 15)	1.2-3

Buy American Origin WNR 1.4462 Square and Rectangular Pipe With 100% Radiography Test Report

Documentation of Alloy 2205 Rectangular Pipe

Chemical and Mechanical Reports
100% Radiography Test Report
Chemical and Mechanical Reports
Third Party Inspection

WNR 1.4462 Square Pipe Testings

Type of Test	Non-Destructive or Destructive
X-Ray or Gamma Ray Inspection	Non-destructive
Flaw Detection
Surface Crack Detection
Magnetic Particle Testing
Visual Inspection
Tensile Test	Destructive
Grain Size Test
Impact Test
Chemical Composition Test
Hydrostatic Test
Hardness Test

Get Duplex 2205 Boiler and Heat Exchanger Tube With Polished and Bright Finish

22 Chrome Duplex Heat Exchanger Tube Surface Finishes

Polished Finish (No. 4)
Electropolished Finish
Satin or Brush Finish (No. 6)
Mill Finish (No. 1)
Bright Annealed (BA)
Pickled and Passivated (No. 2B)

Types of Stainless Steel Duplex Pipe

Duplex Pipe Supplier Offers a Range of Frequently Used Pipes and Tubes Types

22 Chrome Duplex Annealed Pipe

Stainless Steel Duplex Clad Pipe

Duplex 2205 Exhaust Pipe

Duplex Stainless Steel Round Pipe

WNR 1.4462 Square Pipe

Alloy 2205 Rectangular Pipe

SAF 2205 Bright Annealed Pipe

Duplex Cold Drawn Pipe

Duplex SS Solution Annealed Pipe

Duplex 2205 Seamless Tube

Stainless Steel Duplex Welded Tube

SAF 2205 Boiler Tube

22 Chrome Duplex Heat Exchanger Tube

SM22CR® Superheater Tube

WNR 1.4462 Coil Tubing

DSS 2205 Capillary Tube

Duplex Stainless Condenser Tube

Duplex SS Redrawn Tube

DSS ERW Tube

2205 Stainless Steel Round Tube

Duplex Steel Square Tube

Tolerances of Duplex 2205 Boiler Tube

Outer Diameter (OD)	Permissible deviations in (Millimeter)	Wall Thickness (%)
> 26″ < 32″	+4,0 / -0,8	-12,5
> 18″ < 28″	+3,2 / -0,8
> 8″ < 20″	+2,4 / -0,8
> 4″ < 10″	+1,6 / -0,8
> 1 1/2″ < 5″	+0,8 / -0,8
1/8″ < 2″	+0,4 / -0,8

Offers Full Range of Duplex Stainless Steel Pipe At Factory Price For Oil and Gas Industry

Applications of Duplex Pipe

Duplex Stainless Steel Round Pipe Roughness

Roughnes in Outside Daimeter	Roughnes in Inside Daimeter
20 defect level RA
50 μm Maximum	20 μm Maximum

Duplex Pipe Price

Do You Want to See the Latest Price on Duplex Pipe ? Click Here

Duplex 2205 Stainless Steel Pipe Temperature Range

Material	Temperature Range of DSS Pipe
Material	°C	°F
UNS S31803	1020 To 1100°C	1870 To 2010°F
UNS S32205	1020 To 1100°C	1870 To 2010°F

Duplex Pipe Material Grade

Duplex 2205 Pipe Pressure Rating

Outside Daimeter in (Inches)	Wall Thickness in (Inches)
	Pressure ratings in (psig)
	.028	.035	.049	.065	.083	.083	.095	.120	.109
5/16	-	3700	5400	7300	-	-	-	-	-
3/8	-	3100	4400	6100	-	-	-	-	-
3/4	-	-	2200	3000	4000	4000	4600	-	-
1	-	-	-	2200	2900	2900	3400	4300	3900
1/2	-	2300	3200	4400	-	-	-	-	-
1/8	7900	10100	-	-	-	-	-	-	-
1/4	3700	4800	7000	9500	-	-	-	-	-

Duplex Pipe ASTM Code

Specification	Wall Thickness for Variation		Outside Daimeter for Variation in (Millimeter)			Length Tolerance in (Millimeter)
Specification	Over (%)	Under (%)	Nominal Diameter	Under	Over	Over	Under
Seamless & Welded	+10	-10	60.5	.28	5	3.2	0
Welded Boiler	+10-10		38.1-50.8 Excl	.2032	.2032	3.175	0
ASTM A-358 Welded Pipe	-0.3		2198-750mm	-	+0.5%	6
Welded & Seamless	+10	-10	38.1-88.9 excl	.25	.25	4.8	0
Seamless Boiler	+22	-0	25.4-38.1 incl	.1524	.1524	3.175	0
Service	+10 +10	-10 -10	25.4 38.1	.20 .20	5 5	3.2 3.2	0 0
Service	+10	-10	139.7-203.2 excl	.76	.76	4.8	0
ASTM-A312	Nominal Wall		101.6-203.2 incl	.79	1.59	6.4 0

HSN Code of Duplex Pipe Material

Material	HSN Code
Duplex Steel Pipe	73049000

Duplex Pipe Welding

Physical Properties of Duplex Stainless Steel ERW Pipe

Duplex Pipe Stockist Provides the Best-quality Pipes With Excellent Physical Properties

Propertise	Unit	Value
Thermal Conductivity	W/m·K	14.6
Density	g/cm³	7.8
Melting Point	°C	1400-1450°C
Melting Point	°F	2552-2642°F
Poisson’s Ratio		0.29
Bulk Modulus	GPa	140 GPa
Modulus of Elasticity	GPa	193 GPa
Specific Heat Capacity	J/kg·K	500
Electrical Resistivity	µΩ·m	0.74
Young’s Modulus	GPa	193
Thermal Expansion (20-100°C)	µm/m°C	16.0

Duplex Steel Pipe Delivery Time As Per Location

Dubai	Muscat	Ras Al Khaimah	Riyadh
Al Khobar/ Abu Dhabi	Saudi Arabia	Ajman	Al Jubail
Armenia	Sharjah	Doha	Fujairah

Advantages of Stainless Steel Duplex Pipe

Toughness and Ductility
Strength
Corrosion Resistance
Heat Resistance
Cost
Weldability

Duplex Steel Pipe Chemical Composition

Material	C, (Carbon)	Si, (Silicon)	Mn, (Manganese)	S, (Sulfur)	P, (Phosphorus)	Ni, (Nickel)	Mo, (Molybdenum)		Cr, (Chromium)		N, (Nitrogen)
Material	C, (Carbon)	Si, (Silicon)	Mn, (Manganese)	S, (Sulfur)	P, (Phosphorus)	Ni, (Nickel)	Min	Max	Min	Max	Min	Max
UNS S31803	0.03	1.00	2.00	0.02	0.03	4.5-6.5	2.5	3.5	21.0	23.0	0.08	0.20
UNS S32205	0.03	1.00	2.00	0.02	0.03	4.5-6.5	3.0	3.5	22.0	23.0	0.14	0.20

Which Challenges Arise During the Production of Duplex SS Pipe ?

Mechanical Properties of Duplex Seamless Pipe

Duplex Pipe Supplier Outstanding Mechanical Properties Are Provided

Material	Yield Strength ,min,ksi[MPa]	Tensile Strength, in min,ksi[MPa]	Elongation, in %(min)
UNS S31803	65 [450]	90 [620]	25%
UNS S32205	65 [450]	95 [655]	25 %

Duplex Pipe Equivalent

UNS
(North America)

S31803 / S32205

WERKSTOFF NR.
(Russia)

1.4462

Available Stock for Duplex Stainless Steel Pipe

Duplex 8inch Seamless Pipe

32 mm Duplex Stainless Steel Tube

Duplex SS 1.5 mm Thick Round Pipe

125 mm 2205 Stainless Steel Pipe

2B Finish Duplex SS 18 Inch EFW Pipe

16-Inch Duplex 2205 Stainless Steel Pipe

Our Dealers and Distributors in Below Locations

Export to	Shipping Time in Days	Export to	Shipping Time in Days	Export to	Shipping Time in Days
Algeria	17	Tanzania	18	Russia	22
Thailand	10	Vietnam	10	Tunisia	18
UAE	5	Iraq	12	Oman	5
Nigeria	9	Australia	20	Indonesia	9
Philippines	12	New Zealand	25	Qatar	6
Europe	19	Cyprus	16	Kenya	19
Netherlands	8	Lebanon	14	Singapore	8

Keep the Stock of Duplex Pipe

Valcovny Trub

Tubacex

Tubos Reunidos

Pietra

Seah Steel

Bentler

DMV Stainless

Productos Tubulares

Inox Tech

Buyer Questions

Duplex Pipe FAQs

What is Duplex Seamless Pipes made from?

It's a duplex stainless steel (austenitic-ferritic), manufactured and stocked by us to ASTM A790 specifications.

Which specifications does Duplex Pipe meet?

It meets ASTM A790 and UNS S31803 for chemical composition, mechanical properties and dimensional tolerance.

What sizes does Pipe Duplex come in?

We supply standard mill sizes ex-stock, with custom cutting available on request.

Where does Kanakratna Steelage stock Duplex Stainless Steel Pipe from?

We stock and ship ex-Mumbai, India, with pan-India and international export delivery.

What determines Duplex Steel Pipe pricing?

Price depends on size, quantity, form, heat-treatment condition and current raw-material market rates.

NACE Certified and No.1 Supplier, Distributors and Stockist of High Nickle Based Alloys Material in Mumbai, India
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Importer and Stockholder of Prime Quality Oil and Gas Piping Products As per Standard and With Material Testing
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Offer Cut to Size Facility Without Extra Cost.
Over 500 Traders and Steel Fabricators in Middle East and Gulf Countries Import Aerospace Material From Kanakaratna Since 25 years.