Nascent Fittings Inc.
SQUARE TUBES
Heat exchanger & process tubes in SS, CS, copper alloy & nickel. Seamless/welded, ASTM grades with MTCs and global export packing.

- Size
- Instrument to heat-exchanger OD
- Standard
- ASTM
About
About Tubes
Precision tubes for heat exchangers, instrumentation and process lines. Nascent supplies seamless and welded tubes in stainless, alloy, copper alloys, duplex and nickel grades with controlled OD, wall and finish for critical service.
Tubes are offered to ASTM / ASME / EN dimensional and material requirements, with MTC support for boilers, condensers, coolers and sanitary or high-purity applications as specified.
Manufacturing note
Nascent Fittings INC. is a leading supplier and manufacturer of square tubing in different dimensions and scales. There are austenitic stainless steels that are mostly used in industries. There are also other types of stainless-steel pipes such as duplex, ferritic, martensitic and alloy steel materials. Nascent Fittings is a leading Manufacturer & Exporter of high-quality corrosion- and temperature-resistant Stainless Steel Square Tube, supplying stainless steel square tube to pharmaceutical, semiconductor, nuclear energy, oil and gas, and defense. Nascent ensures that the stainless-steel square tube they supply is of the highest quality for use in extreme environments. They also offer the best price in India for square tubing when compared to the market price. The square cross section of the tubes provides good geometric strength. The pipes are therefore used in high strength applications. There are high pressure and high temperature services such as the heat exchangers which use the pipes as well. The square tubing is strong and corrosion resistant, and the material also contains chromium, nickel and molybdenum in the composition. This combination allows for increased corrosion resistance with minimum yield strength.
Typical applications
- Industrial piping and process systems using Tubes
- Project supply of Tubes for oil & gas, power, chemical and general industry
Configurations
Tubes types
Open a type for drawings-aligned specifications.
Materials
SQUARE TUBES by material

Aluminium SQUARE TUBES

Stainless Steel SQUARE TUBES
Size · 8 mm to 212mm

Alloy Steel SQUARE TUBES
Grades · SA 179, SA / ASTM A 210 Gr. A 1, BS 3059 Gr. 360 / 440

Duplex Steel SQUARE TUBES
Size · 8 mm to 212mm

Titanium SQUARE TUBES

Carbon Steel SQUARE TUBES
Grades · SA 179, SA / ASTM A 210 Gr. A 1, BS 3059 Gr. 360 / 440

Monel SQUARE TUBES

Hastelloy SQUARE TUBES

Copper SQUARE TUBES

Low Temperature Carbon Steel SQUARE TUBES

Nickel Alloy SQUARE TUBES
Size · 8 mm to 212mm

Copper Alloy SQUARE TUBES

Cupro Nickel SQUARE TUBES
Compliance
Standards & certificates
Specifications and documentation typically referenced for this product line — details from our shared compliance catalog.
Standards
3ASTM
ASTMASTM International material and product specifications.
- Scope
- Umbrella reference for ASTM material grades used across the catalog.
- Applies To
- Carbon, alloy, stainless, duplex and nickel-alloy piping products
ASME
ASMEAmerican Society of Mechanical Engineers — boiler, pressure vessel and piping codes.
- Scope
- Umbrella reference for ASME dimensional and material standards used on this product line.
- Applies To
- Flanges, fittings, pipes and related pressure components
EN
CENEuropean Norms for materials, flanges and fittings.
- Scope
- Umbrella reference for EN material and flange standards.
- Applies To
- EU-specified piping materials and PN flanges
People also ask
Questions about Tubes
Nascent Fittings Inc. answers common buyer questions for this line.
Does Nascent Fittings Inc. manufacture Tubes?+
Yes. Nascent Fittings Inc. manufactures and supplies Tubes for industrial piping projects, with material grades and sizes aligned to project specifications.
Can Nascent Fittings Inc. export Tubes worldwide?+
Yes. We export Tubes globally with standard export packaging, material test certificates, and documentation support for international shipments.
What materials are available for Tubes?+
Tubes is available in carbon steel, alloy steel, stainless steel, duplex, nickel alloys, copper alloys, aluminium, titanium and other project-specific materials as required.
Need pricing for SQUARE TUBES?
Share sizes, material grade and quantity — manufacturing options and delivery timelines follow.










