Duplex Stainless Steel Pipe

92/38, No.12 Street, Quarter 18, Binh Hung Hoa Ward, Binh Tan District, Ho Chi Minh City, Vietnam.

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Metal Pipe

Duplex Stainless Steel Pipe | Phuc Minh Vietnam

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Phuc Minh provides high-quality Duplex Stainless Steel Pipes: welded, ERW, EFW, corrosion-resistant, ideal for oil & gas, chemical, power, boilers, and marine applications. Contact +84 907 450 506 for a quote.

Origin: China

Product name: Pipe & Fitting Accessories

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Short Description

Product: Stainless steel welded pipe, stainless steel ERW pipe, stainless steel EFW pipe
Applications: Petroleum, Aerospace, Chemical, Power, Boilers, Military Industry
Size:

Outside Diameter (OD): 2″ – 48″
Wall Thickness (WT): 5S, 10S, STD, XH, 40, 80, 100, 120, 160, XXH
Length: Single Random, Double Random, cut length up to 23 m
Standards: ASTM A789, ASTM A790, ASTM A928
Grades: UNS S31803, UNS S32205, UNS S31500, UNS S32304, UNS S32750, UNS S32760
Surface Finish: Annealed, Pickled, Polished
Packing: Waterproof paper wrapped, packed in wooden crates

What is Duplex Stainless Steel Pipe?

Duplex stainless steel is a high-performance alloy that combines ferritic and austenitic phases, offering outstanding properties from both steel types.

Composition: High chromium content (19–28%), molybdenum up to 5%, lower nickel than austenitic stainless steel.
Popular grades:
- SAF 2205 (S31803): 22% Cr, 5% Ni
- SAF 2507 (S32750 – Super Duplex): 25% Cr, 7% Ni, higher corrosion resistance

Advantages:

Excellent resistance to chemical, seawater, acidic and alkaline environments
High mechanical strength, pressure and heat resistance
Ideal for heavy industries such as oil & gas, chemical, and nuclear processing

Technical Specifications of Duplex Stainless Steel Pipe

Chemical Composition (%)

Grade	C	Mn	Si	S	P	Cr	Ni	Mo	Cu	N
S32750 (SAF2507)	0.03	1.2	0.8	0.02	0.035	24–26	6–8	3–5	0.5	0.24–0.32
S31803 (SAF2205)	0.03	2	1	0.02	0.03	21–23	4.5–6.5	2.5–3.5	0.08–0.2	0.2
S31500 (3RE60)	0.03	1.2–1.4	–	0.03	0.03	18–19	4.25–5.25	2.5	0.05–0.1	–

Mechanical Properties

Grade	Heat Treatment Temp (℃)	Ab (MPa) ≥	As (MPa) ≥	∮ ≥	Brudzinski	Rockwell
S32750 (SAF2507)	1025–1125	800	550	15	310	32
S31803 (SAF2205)	1020–1100	620	450	25	290	30.5
S31500 (3RE60)	980–1040	630	440	30	290	30.5

Applications of Duplex Stainless Steel Pipe

Thanks to its outstanding properties, duplex stainless steel pipes are widely used in:

Chemical processing, transport, and storage
Oil and gas production and transportation
Offshore oil and gas rigs
Oil refining
Marine environments
Pollution control equipment
Pulp & paper manufacturing
Chemical processing plants
Structural and mechanical components
Heat exchangers
Cooling pipes

Why Choose Phuc Minh?

Phuc Minh is a trusted industrial stainless steel pipe supplier in Vietnam, specializing in:

Industrial stainless steel pipes: SS 304, 304L, 316, 316L, 321, 347, and more
Welded, seamless, mechanical, heat-resistant pipes, pipes for boilers, heat exchangers, and condensers
Stainless steel accessories: elbows, tees, industrial valves, and other piping components

📞 Hotline: +84 907 450 506 – +84 902 720 814
📧 Email: info@pm-e.vn

Phuc Minh – Your reliable source for high-quality stainless steel pipes for all industrial applications!