Hrinkar Metal and Alloys is a trusted and ISO-certified manufacturer and supplier of Stainless Steel 316 Pipes, offering a wide range of types, including ERW, seamless, and welded pipes in various dimensions and specifications.

Stainless Steel 316 Pipe is an austenitic stainless steel grade known for its excellent resistance to chloride ion stress corrosion cracking. This makes it ideal for marine environments, seawater applications, pollution control systems, wastewater treatment, and desalination plants.

We offer SS 316 Pipes in different forms, such as

• Seamless Pipes (outer diameter: ½ inch to 16 inches)
• Welded Pipes (up to 24 inches OD)
• Electric Fusion Welded Pipes (up to 100 inches OD)

These pipes are manufactured to ASTM A312 specifications, suitable for high-temperature and high-pressure applications. The wall thickness varies from 0.5mm to 6.35mm, and lengths are available as per customer requirements.

The Stainless Steel 316 Welded Pipe is fabricated from high-quality strips of the same grade. With the addition of 2–3% molybdenum, SS 316 offers enhanced corrosion resistance compared to 304-grade steel, especially in chloride-rich environments.

We also supply:

• SS 316 Schedule 40 Pipe
• Stainless Steel DIN 1.4401 Welded Pipe
• SS DIN 1.4401 Hollow Pipe
• SS UNS S31600 Pipe

Contact us today for complete product specifications, custom dimensions, and the latest pricing on Stainless Steel 316 Pipes

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Schedule 40 Stainless Steel 304 Pipe:
One of the most commonly used pipe schedules, it offers a great balance of cost-effectiveness, durability, and corrosion resistance. Its low carbon content makes it ideal for welding applications while reducing the chances of localized corrosion.

Schedule 10 Stainless Steel 304 Pipe:
These pipes are thinner and suited for low-pressure applications. Though they follow the same quality standards, they offer less mechanical strength and corrosion resistance compared to Schedule 40 pipes.

Cold-Worked vs. Cold-Finished SS 304 Pipes Cold Finished SS 304 Pipe:
These are derived from hot-rolled stainless steel pipes and further processed to achieve smoother finishes, tighter tolerances, and better surface quality.

Cold-Worked Stainless Steel 304 Seamless Pipe:
Offers enhanced physical properties and dimensional accuracy. Cold working improves the pipe’s straightness, strength, and overall performance in demanding applications.

Stainless Steel 304 Seamless Pipe vs. SS 304 Welded Pipe 304 Seamless Stainless Steel Pipe:

• Offers superior pressure strength and is ideal for critical high-pressure systems.
• No welds ensure a uniform structure and reduced weak points.
• Common in chemical processing, oil & gas, and power generation industries.

304 Welded Stainless Steel Pipe:

• More economical and widely available in custom lengths.
• Suitable for low- to moderate-pressure applications.
• Preferred in plumbing, construction, and architectural piping systems.

Applications and Characteristics of SS 304 Pipes Known as 18-8 stainless steel, SS 304 pipes are renowned for their excellent corrosion resistance, formability, and weldability. They are commonly used in exhaust systems, water pipelines, food-grade applications, pharmaceutical processing, and general structural piping. This grade is one of the most popular in the stainless steel pipe market, thanks to its versatility and long service life.

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