Duplex pipe

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Duplex Pipe Spotlights

Sizes in Ready Stock	Seamless Pipe Size: 4 to 219 mm Welded Pipe Size: 5 to 1219.2 mm
Brands in Stock	Centravis, Maruichi Stainless, Mannesmann Stainless, Nippon Steel Corp., PCC Rollmet, Ratnamani Metals & Tubes, Alleima, Sanyo Special Steel, Tubacex
Raw Material Origin	Janpanese, European, American, Korean, Russia, Indian
HSN Code	7304
International Standards	ASME B36.19M, ASME B36.19, EN 10088-2, EN 10217-7 (welded pipe), NSF 61, EN 10088-3, EN 10216 – 2, EN 10216 – 5, DIN 17458, DIN 17456
Approval	ADNOC, Q CHEM, EIL, MA’ADEN, KNPC, BAPCO, SABIC, KOC, Saudi Aramco, Marine and KPI.
Services	Shearing Heat Treatment Cutting
MTC	EN 10204 3.1
End	Plain End, Bevelled End
Test Certificates	100% Radiography Test Report Raw Material Test Certificate Certificate of Origin Mill Test Certificate Fumigation Certificates
Dealers and Distributors of Nippon Steel Corp. Duplex Pipe in UAE	Special Alloy Piping (SAP) Middle East FZCO, Dubai, United Arab Emirates Dynamic Materials International (DMI) FZCO, Dubai, United Arab Emirates
Shipping Time	Indonesia : 14–18 Days Thailand : 14–18 Days Vietnam : 15–19 Days

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Table of Content

Duplex Pipe Specification
Types of Duplex Steel Pipe
Duplex Pipe Wall Thickness Chart
Tolerances of Duplex Steel Pipes
Duplex Stainless Steel Pipe Grades
Compare Duplex Stainless Steel Pipe Performance in Different Environment
Equivalent Standard of Duplex Stainless Steel Pipe
Chemical Composition of Duplex Pipe Material
Stainless Steel Duplex Pipe Mechanical Properties
Electrodes of Duplex Pipe Welding
DSS Pipe Weight Chart

Find the cheapest duplex seamless pipe suppliers in UAE and view duplex piping specifications

Duplex Pipe Specification

Seamless Pipe: 4 to 219 mm

Welded Pipe: 5 to 1219.2 mm

DSS Pipe: 0.5 – 20mm (Wall Thickness)

Schedule: 5 to XXH

Method: Cold Formed, Hot Formed, Precision Rolled

End: Bevelled, Plain, Grooved, Threaded

Suitable Temperatures: above 250 °C

Process: ERW, Seamless, Welded

MTR:Chemical, Mechanical, PMI, Destructive and Non Destructive Test Report

Finish: Annealing, Polished, Bright

Get Quote Directly from Duplex Pipe Suppliers in UAE With Complete Documentation

Form: Round, Square, Rectangular, Hexagon etc.

Duplex SS pipe dimensions	DSS pipe Wall thickness	Duplex steel pipe Length
DSS seamless pipe size: 4 to 219 mm duplex stainless welded pipe size: 5 to 1219.2 mm	0.5 – 20mm Thinner wall thickness Duplex SS pipe wall thickness can be reduced by up to 50%, contact above duplex pipe suppliers for more details	5.8 meters (20 feet) 17-24 feet 6 meters (21 feet) DSS pipe maximum length : 25000mm Customized/ cut to size Contact above stockholders, distributors and stockists for Ex-stock, these duplex pipe suppliers also offer cut to size material and supply in Saudi Arabia, UAE, Qatar & Oman
Required list of DSS seamless pipe mechanical test	American standard for OD and thickness	Duplex stainless pipe manufacturing process
Tension test Flange test (for duplex welded pipe) Flaring test (for DSS seamless pipe) 100% PMI tested Hardness test Reverse flattening test	ASTM A790 (Seamless/ Welded Duplex pipe) ASTM A789 (Seamless/ Welded Duplex tube) ASTM A928 (Duplex EFW pipe)	Duplex stainless steel hot finished seamless pipe Duplex stainless cold finished seamless pipe DSS cold drawn pipe Duplex SS cold rolled pipe Duplex alloy precision cold rolled pipe
European standard	Duplex stainless steel seamless pipe pipe end	Duplex steel square pipe manufacturing type
EN 10216-5 (seamless & welded pipe) EN 10296-2 (welded pipe) EN 10297-2 (seamless pipe) EN 10312 (welded pipe) EN 10217-7 (welded pipe)	PE (Plain End) BE (Beveled Ends)	DSS seamless pipe Duplex SS ERW pipe Stainless steel duplex welded pipe Duplex steel EFW pipe
Duplex pipe schedule chart	Meet standards	Seamless duplex stainless steel pipe surface finish and treatments
4 Inch Schedule 5 / 5S SCH 10 duplex stainless steel pipe (Most selling) SCH 20 SCH 30 SCH 40 duplex SS pipe SCH 40S (Most selling) SCH 80 SCH 80S SCH 120 SCH 160 Standard (SCH STD) Ex-Standard (XS) Double Extra Strong (XSS)	ASME B36.19M ASME B36.19 EN 10088-2 EN 10217-7 (welded pipe) NSF 61 EN 10088-3 EN 10216 – 2 EN 10216 – 5 DIN 17458 DIN 17456	Passivated Cleaned Pickled Precleaned
Duplex steel round pipe finish	QC and duplex SS pipe supporting documents	List of leading Duplex Pipe manufacturers
Bright Annealed Annealed & Pickled (A&P) 2B Solution annealed duplex steel round pipe BA polishing No.4 Mirror 320 grit 180 grit polished Matt finish 400 grit Cold Drawn 600 grit	Refer these details before buying DSS pipe from manufacturers, suppliers, traders, stockholders, stockist, or importers MTC EN 10204 type 3.1 duplex pipe material, schedule & size as per the work order Verify quantity Check duplex steel pipe dimensions QC/ Inspection reports Duplex welded pipe detailed inspection plan (appearance, integrity, packaging etc) Labeling verification Origin of material	Buy these make ex-stock from verified Duplex Pipe suppliers in UAE at dealer price ArcelorMittal, Luxembourg (Europe) Outokumpu, Finland (Europe) Aperam, Luxembourg (Europe) Acerinox, Spain Jindal steel pipe, India Nippon Steel Corporation, Japan ThyssenKrupp AG, Germany POSCO, South Korea MACSTEEL, Gauteng (South Africa) Baosteel, China Sandvik, Sweden Tata Steel, India Tubecon, Pretoria (South Africa) Tenaris, Luxembourg (Europe) SMM Oman Jiangsu Shagang, China Nippon Steel & Sumitomo Metal Corporation, Japan JFE, Japan AL JAZEERA, Oman Bristol Metals, USA Nippon Yakin Kogyo Co., Ltd., Japan Steelmor, Gauteng (South Africa) Sosta, Italy
Duplex stainless pipe value added services	Duplex pipe material tolerance acc. ASTM-A999	Duplex steel pipe standard
Cutting Threading Beveling Ultrasonic Testing Polishing Destructive & Non Destructive	±1%	ASTM DIN GOST JIS EN
Duplex alloy round beveling	Duplex welded pipe pressure rating	Chloride corrosion in duplex seamless pipe
Abrasive Saw Cutting Hi-Def Plasma Cutting Bar Cutting Laser Cutting Chop Stroke Laser/Punch Combo Coil Leveling Pipe Threading Gauer/Straightener Plate Beveling Pipe Beveling Rod Coil Line Virtek LaserQC Shear Cutting Timesavers Waterjet Cutting	Class 100 Class 200 Class 300 Class 400 Class 500 Class 600	PREn : 35 CPT ºC (ºF) : 35 (95)
Duplex pipe suitable applications & chemicals
High pressure Low-pressure low temperature H2S NH3 HCl

Material Inspection Facilities in the Following Countries

Asia	Vietnam, Singapore, Taiwan, Malaysia, Mongolia, Brunei, Indonesia, Cambodia, Philippines, Laos, Thailand, Myanmar
Europe	France, Italy, Georgia, Germany, Armenia, Netherlands, Andorra, Belgium, Azerbaijan
Middle East	Abu Dhabi, Dammam, Jordan, Beirut, Doha, Muscat, SCZone, Riyadh, Al Khobar, Sharjah, Iraq, Syria, Turkey, Jeddah, Yemen, Al Jubail, Jebel Ali, Saudi Arabia, Dubai, Lusail, Sohar, Lebanon, Amman, Ajman, Umm Al Quwain, Ras Al Khaimah, Fujairah, Manama

Select the Middle East stockists selling the most affordable duplex stainless steel seamless pipe; learn about duplex pipe welding

Types of Duplex Steel Pipe

Seamless duplex pipe

Welded duplex pipe

Thick wall duplex steel pipe

Schedule 40 duplex pipe

Duplex steel oval pipe

DSS square pipe

Duplex round pipe

DSS ERW pipe

Polished duplex steel pipe

Beveled edge duplex pipe

DSS clad pipe

Duplex steel EFW pipe

searching for importers of PMI-tested ANSI SCH 80, 40, or 60 duplex stainless steel pipe? look at the cost comparison.

Duplex Pipe Wall Thickness Chart

SCH 10S	SCH 40S	DN	Ø	SCH 80S	SCH 160
2,11	2,77	1/2″	21,34	3,73	4,78
2,11	2,87	3/4″	26,67	3,91	5,56
2,77	3,38	1″	33,40	4,55	6,35
2,77	3,56	1 1/4″	42,16	4,85	6,35
2,77	3,68	1 1/2″	48,26	5,08	7,14
2,77	3,91	2″	60,32	5,54	8,74
3,05	5,16	2 1/2″	73,03	7,01	9,52
3,05	5,49	3″	88,90	7,62	11,13
3,05	5,74	3 1/2″	101,60	8,08
3,05	6,02	4″	114,30	8,56	13,49
3,40	6,55	5″	141,30	9,53	15,88
SCH 10S	SCH 40S	DN	Ø	SCH 80S	SCH 160
3,40	7,11	6″	168,29	10,97	18,26
3,76	8,18	8″	219,08	12,70	22,23
4,19	9,27	10″	273,08	12,70	28,58
4,57	9,53	12″	323,85	12,70	33,32
4,78	–	14″	355,60	–	–
4,78	–	16″	406,40	–	–
4,78	–	18″	457,20	–	–
5,54	–	20″	508,00	–	–
6,35	–	24″	609,60	–	–
SCH 10S	SCH 40S	DN	Ø	SCH 80S	SCH 160

DN = DSS Pipe size
Ø = Nominal outer diameter
DSS pipe Schedule = ANSI B36.10 / ASME B36.19 Nominal wall thickness in mm

Storage Sites of Partner Suppliers

Africa	Nigeria, South Africa, West Africa, Kenya, Nairobi, Congo, Chad, Togo, Benin, Johannesburg, Gabon, Rwanda, Ivory Coast, Republic of the Congo, Ghana, Niger, Cameroon, Equatorial Guinea , Sudan, Ogun, Durban, Addis Ababa, Lagos, Cape Town, Abuja
GCC Countries	Bahrain, Kuwait, Oman, Qatar, Saudi Arabia, United Arab Emirates (UAE)
MENA	Egypt, Morocco, Algeria, Tunisia, Libya, Cairo, Casablanca

Tolerances of Duplex Steel Pipes

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

Duplex Stainless Steel Pipe Grades

Compare Duplex Stainless Steel Pipe Performance in Different Environment

ENVIRONMENT	Not Suggested	Good	Better	Best
CHLORIDE STRESS CORROSION CRACKING	316L 304L	904L 2205	AL-6XN RA20 330	200 400 600 333 625
HYDROFLUORIC ACID	200 600 Ta 2205	Copper	400 Silver	Gold Platinum
CHLORIDES (pitting, crevice corrosion)	304L	RA20 333 316L 200 600	904L 400 2205	AL-6XN 625 C-276 Titanium
NITRIC ACID	904L AL-6XN 200 400 600	304L RA20 2205	333 625	Zirconium Tantalum
HYDROCHLORIC ACID	Titanium 600 RA20 2205	200 400	59 C-22 C-276 686	Zirconium alloy B-2 Tantalum Titanium
PHOSPHORIC ACID (commercial)	200 400 316L		904L 2205	AL-6XN 625 RA20
SULPHURIC ACID	Titanium 600	316L 200 2205	904L AL-6XN 333 400 625	RA20 Tantalum
CAUSTIC	316L Tantalum	RA20 2205	600 625 400	200

In Dubai, there are a lot of manufacturer & traders of duplex pipe material who provide a cut-to-length service. Final preparation as per international standards; see ASTM specification

Equivalent Standard of Duplex Stainless Steel Pipe

Abstract of duplex steel pipe

Familiy: stainless steels
Other trade name: austenitic-ferritic
Metallurgical structure : austenite, and ferrite

Material	Grade	EN/ DIN/ Wnr	UNS	Flanges	Fasteners	Welding Electrode
Duplex pipe	2205	1.4462	UNS S31803 UNS S32205	Duplex flanges	Duplex Fasteners	Duplex Welding Electrode
Super duplex pipe	2507	1.4410	S32950 S32750	Super duplex flanges	Super Duplex Fasteners	Super duplex welding electrode

Locate Available Material from Stock

Country	Cities
Netherlands	Eindhoven, Haarlem, Rotterdam, Amsterdam, The Hague
Belgium	Brussels, Seraing, Meeuwen-Gruitrode, Westerlo, Leuven, Ghent, Antwerp

Chemical Composition of Duplex Pipe Material

GRADE		S	Chromium	Nickel	P	Molybdenum	Manganese	C	Nitrogen	Si
UNS S32205	minimum		22	4.5		3			.14
UNS S32205	maximum	.02	23	6.5	.03	3.5	2	.03	.2	1
UNS S31803	minimum		21	4.5		2.5			.08
UNS S31803	maximum	.02	23	6.5	.03	3.5	2	.03	.2	1

Before making a purchase, compare the prices of duplex steel pipes from two or more reliable GCC suppliers. Check the roughness of the duplex welded pipe

Stainless Steel Duplex Pipe Mechanical Properties

Material	Density	Tensile Strength	MP	Yield Strength (0.2%Offset)	Elongation
Duplx pipe	7.8 g/cm3	Psi – 116000 MPa – 800	1350 °C 2460 °F	Psi – 80000 MPa – 550	15 %

Electrodes of Duplex Pipe Welding

E 2209-16
E 2205-16
E122 2209 Straight Duplex Welding Rods

DSS Pipe Weight Chart

NPS inch inch	OD		Sched	Wall Thickness		Weight	Weight
NPS inch inch	milimeter	inch	Sched	milimeter	inch	Lb/feet	kilogram/meter
1/2	21	.840	40 STD	2.769	.109	.851	1.268
3/4	27	1.050	40 STD	2.870	.113	1.131	1.684
1	33	1.315	40 STD	3.378	.133	1.679	2.501
1 1/4	42	1.660	40 STD	3.556	.140	2.273	3.385
1 1/2	48	1.900	40 STD	3.683	.145	2.718	4.048
2	60	2.375	40 STD	3.912	.154	3.653	5.441
2 1/2	73	2.875	40 STD	5.516	.203	5.793	8.629
3	89	3.500	40 STD	5.486	.216	7.576	11.284
4	114	4.500		6.020	.237	1.790	16.073
6	168	6.625		4.775	.188	12.924	19.252
				5.563	.219	14.983	22.318
			40 STD	7.112	.280	18.974	58.263
				9.525	.375	25.031	37.285
8	219	8.625		4.775	.188	16.940	25.233
				5.563	.219	19.661	29.286
			30	7.036	.277	24.696	36.786
				9.525	.375	33.041	49.216
10	273	1.750		4.775	.188	21.207	31.588
			20	6.350	.250	28.035	41.759
				8.738	.344	38.231	56.946
				11.125	.438	48.238	71.852
12	324	12.750		4.775	.188	25.222	37.570
				6.350	.250	33.375	49.713
				7.925	.312	41.445	61.735
				1.312	.406	53.525	79.727
14	356	14		4.775	.188	27.732	41.308
			20	6.350	.250	36.713	54.685
				7.925	.312	45.611	67.939
			40	11.125	.438	63.441	94.498
16	406	16		4.775	.188	21.748	47.290
			10	6.350	.250	42.053	62.639
			20	7.925	.312	52.275	77.866
				11.125	.438	72.797	108.433
18	457	18		5.563	.219	41.588	61.948
				7.137	.281	53.176	79.208
			STD	9.525	.375	7.588	105.144
			XHY	12.700	.500	93.450	139.198
20	508	20		6.350	.250	52.733	78.547
				7.925	.312	65.604	97.719
				11.125	.438	91.508	136.305
			40	15.088	.594	123.110	183.378
24	610	24		6.350	.250	63.413	94.456
				7.925	.312	18.932	117.573
				11.125	.438	11.219	164.176
				15.875	.625	156.028	232.410
30	762	30		6.350	.250	79.433	118.318
			10	7.925	.312	98.925	147.353
				11.125	.438	138.286	205.983
			30	15.875	.625	196.078	292.066
36	914	36		6.350	.250	95.453	142.180
			10	7.925	.312	118.918	177.133
				11.125	.438	166.353	247.790
				15.875	.625	236.128	351.723
				19.050	.750	282.353	42.576
42	1067	42		7.925	.312	138.911	206.914
			XHY	12.700	.500	221.610	33.097
48	1219	48	STD	9.525	.375	19.738	284.112
			XHY	12.700	.500	253.650	377.822
				22.225	.875	44.383	655.969