
Super Duplex Steel Tubes
M Metal Tubes India Pvt Ltd, with over 40 years of experience, is a leading manufacturer and exporter of Super Duplex Steel Tubes in India. Our advanced manufacturing capabilities, paired with stringent quality control, make us a reliable partner for industries requiring tubing solutions that withstand harsh operating conditions.
Grades & Specifications We Offer:
- WERKSTOFF NR. 1.4410 – Excellent chloride resistance and mechanical strength.
- UNS S32750, S32760, S32950 – Dual-phase austenitic-ferritic structures for superior durability and corrosion performance.
- Standards: ASTM A790 / A789, ASME SA789
Our Range of Super Duplex Tubes:
- Seamless Tubes: High strength and precision, ideal for pressure systems and offshore applications.
- Welded Tubes (ERW / EFW): Cost-effective with superior weldability and resistance to stress corrosion.
- Capillary Tubes: Small-diameter tubes with precise internal finishes used in instrumentation and control systems.
- U-Shaped Tubes: Perfect for heat exchangers, made with enhanced nitrogen content for hardening and toughness.
- Round, Square & Rectangular Tubes: Available in multiple forms for structural and mechanical applications.
- Cold Drawn Tubes: High dimensional accuracy, smooth surface finish, and better strength.
Product Advantages:
- Excellent resistance to pitting, crevice, and stress corrosion cracking
- High tensile and yield strength due to nitrogen and molybdenum enrichment
- Superior dimensional accuracy and surface finish
- Longer service life with minimal maintenance
- Alternative to expensive nickel-based alloys
Applications of Our Super Duplex Steel Tubes:
- Oil & gas exploration and offshore platforms
- Chemical and petrochemical processing plants
- Civil engineering and construction frameworks
- Water treatment and desalination systems
- Heat exchangers and power generation units
Why Choose M Metal Tubes India Pvt Ltd?
- 40+ years of manufacturing expertise
- Global export capability with timely delivery
- Compliance with ASTM, ASME, and international standards
- Custom tube solutions for niche and high-demand applications
- Commitment to defect-free, performance-driven tubing
Explore Our Best-Selling Super Duplex Tubes:
- UNS S32760 Square Tubes
- Super Duplex S2507 Round Tubes
- UNS S32950 Tubing
- Super Duplex S2507 ERW Tubes
As one of the most trusted Super Duplex Steel Tube Suppliers in India, M Metal Tubes India Pvt Ltd delivers quality and reliability in every tube. Our wide inventory and global logistics network allow us to serve clients across diverse sectors with unmatched efficiency.


Copper Pipe Fittings

Copper Forged Fittings

Copper Pipes
Specification
SPECIFICATION : ASTM A790 / ASME SA790, ASTM A789 / ASME SA A789
OUTER DIAMETER : 6.00 mm OD up to 250 mm OD, Sizes up to 12” NB
FORM : Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes
THICKNESS : 0.3mm – 50 mm
LENGTH : Single Random, Double Random & Required Length
TYPES : Seamless / ERW / Welded / Fabricated / CDW
END : Plain End, Beveled End, Treaded
Delivery Condition
Annealed and Pickled, Polished, Bright Annealed, Cold Drawn