DUPLEX STEEL S31803 PIPE MANUFACTURER, INDIA.

ASTM A790 Duplex Steel S31803 pipes are a type of stainless steel pipe with excellent mechanical and corrosion-resistant properties. This type of steel is a smart choice for industrial applications that require strength, resistance to corrosion and chemicals, and ease of maintenance.

Duplex Steel UNS S31803 Pipe comprises austenitic and ferritic steels, two types of stainless steel, providing a unique set of properties. Austenitic stainless steel is known for its excellent formability, high strength, and corrosion resistance. Ferritic steel is mostly magnetic and is known for its excellent oxidation and corrosion resistance. The combination of austenitic and ferritic steel in Duplex Steel S31803 pipe offers superior strength, excellent resistance to corrosion, and ease of welding, making it an ideal solution for high-pressure applications.

The chemical composition of S31803 Duplex Stainless Steel Pipes consists of chromium, molybdenum, nickel, and nitrogen, among other elements. The composition provides the pipe with unmatched mechanical and chemical properties, making it more durable and corrosion-resistant than traditional stainless steel. Another grade of Duplex Steel is also available, i.e., Duplex Steel S32205 Pipes.

One of the benefits that sets ASTM A790 UNS S31803 Seamless Pipe apart is its high resistance to stress corrosion cracking (SCC). SCC is the process of failure of metallic materials under the influence of tensile stress and an environment containing a corrosive agent. Duplex Steel S31803 pipe has excellent resistance to SCC, especially in chloride environments, making it an excellent choice for offshore and petrochemical applications.

S31803 Pipes Specifications	ASTM A790 / ASME SA790
Dimensional specification	ANSI/ASME B36.19M, ANSI/ASME B36.10M
ASTM A790 S31803 Seamless Pipe Size	1 / 8" NB - 24" NB
ASTM A790 S31803 Welded Pipe Size	1 / 8" NB - 24" NB
ASTM A358 S31803 EFW Pipe Size	6" NB - 48" NB
Outside Diameter	6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock
Duplex S31803 Pipes Manufacturing Shapes	Hydraulic, Round, Rectangle, Square, Hex, Honed
Delivery Condition	Annealed and Pickled, Polished, Coiled, Cold Drawn
Heat Treatment	Normalized, Normalized & Tempered
Manufacturing Techniques	Normalized & as Rolled
Duplex Steel S31803 Pipe Schedule Thickness Range	SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Duplex S31803 Pipes End Types	Plain End, Beveled End, Treaded One End, TBE (Treaded Both Ends)
Surface Finish	No.1, No.4, No.8 Mirror Finish, 2B
Value Added Services	Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing
Inspection and Test Reports	EN 10204 3.1, Mill Test Certificates, Chemical Reports, PMI Test Reports, Mechanical Reports, Third Party Inspection, NABL Approved Lab, Visual Inspection, Destructive Test and Non Destructive Test Reports
Marking	Specification Grade Nominal Pipe Sizes Pipe Schedule or Wall Thickness Manufacturing Method (Seamless / Welded) Heat Number Manufacturer’s Name or Custom Logo - on request Marked Pipe Sample: ANSI B36.19 ASTM A 790 S31803 12" NB SCH 40S SEAMLESS HEAT NO. XXXX
Outside Finish	2B, No.4, No.1, No.8 Mirror Finish for Duplex Steel Pipes, Finish as per customer Requirements
Packing of Duplex S31803 Pipes	Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests
Specials	Sizes and Specifications other than above can be on request

Our Duplex Steel S31803 Pipes are used in a wide range of applications and various industries. Below are a few of them :