Harsh Metalloys, a well-respected manufacturer and supplier based in Mumbai, India, specializes in high-performance Stainless Steel 330 Tubing, designed specifically for extreme heat and corrosive environments. Alloy 330 (UNS N08330) is an austenitic stainless steel celebrated for its outstanding resistance to oxidation, carburization, and thermal shock. Crafted to meet ASTM B535 and other international standards, SS 330 tubing is perfect for high-temperature applications and demanding industrial settings. These tubes are widely used in heat treatment furnaces, chemical processing, power generation, and aerospace due to their durability, structural integrity, and reliable performance at elevated temperatures.
Stainless Steel 330 Tubing is made up of 35–37% Nickel, 17–20% Chromium, along with Silicon (1.0–1.5%) and the rest being Iron. This alloy is specifically designed to resist high-temperature oxidation and carburizing environments. The tubing boasts a tensile strength of about 550 MPa and can handle operating temperatures as high as 1150°C (2100°F). SS 330 shows remarkable creep and rupture strength, minimal thermal expansion, and solid mechanical stability under cyclic thermal loading. It remains non-magnetic when annealed and keeps its structural integrity over extended service periods.
| Specifications | : | ASTM B163, B516 / ASME SB163, B516 |
| Dimensions | : | ASTM, ASME and API |
| Alloy 800/800H/800HT Tubes Size | : | 6 mm OD x 0.7 mm to 50.8 mm OD x 3 mm thk. |
| Schedule | : | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Type | : | Seamless / ERW / Welded / Fabricated / LSAW Tubes |
| Form | : | Round, Square, Rectangular, Hydraulic Etc |
| Length | : | Single Random, Double Random & Cut Length. |
| End | : | Plain End, Beveled End, Treaded |
Grade | C | Mn | Si | N | Cr |
330/SS330/Ra330 | 0.08 max | 2 max | 0.75-1.50 max | 34.00 – 37.00 | 17.00 – 20.00 |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 330 | – | – | – | – | – |
Contact us to get a quick quote for your requirement.
We ensures the highest standards of stainless steel 330 tubing through rigorous testing and certification processes. Non-destructive testing, chemical analysis and mechanical properties of each material are subjected. Recognized and certified by globally recognized companies, our tubing meets industry standards, ensuring reliability, safety and performance for critical applications in a variety of industries
SS 330 seamless tubing is known for its impressive resistance to high temperatures and oxidation, making it a top choice for chemical processing, heat treating, and furnace applications that demand structural integrity even in extreme conditions.
The 330 welded tubing is designed to withstand corrosion and thermal stress in high-temperature settings, and it’s commonly found in heat exchangers, refinery heaters, and exhaust systems.
SS 330 heat exchanger tubes are built to perform reliably in harsh temperatures and corrosive environments, making them perfect for use in petrochemical plants, refineries, and industrial furnaces.
Instrumentation tubing crafted from SS 330 ensures dependable operation at high temperatures and offers excellent corrosion resistance, making it ideal for process control, measuring systems, and high-pressure instrumentation.
SS 330 boiler tubes deliver outstanding thermal stability and oxidation resistance, which are crucial for power generation and industrial boiler systems that operate at elevated temperatures.
These U-tubes are designed to excel in thermal cycling resistance, making them suitable for heat exchangers and boiler systems that face high temperatures and corrosive gases.
SS 330 condenser tubes are engineered to endure extreme heat and corrosive substances, commonly utilized in chemical processing, thermal recovery, and energy conversion systems.
The 330 stainless steel fin tubes provide efficient heat transfer and long-lasting durability, making them a great fit for air-cooled exchangers and heat recovery units in challenging environments.
Stainless Steel 330 Tubing is ideally suited for use in high-temperature environments such as heat exchangers, industrial furnaces, muffles, kilns, and thermal processing equipment. It is widely utilized in chemical and petrochemical plants, power plants, and aerospace industries where oxidation, thermal fatigue, and carburization resistance are essential. The tubing performs reliably in applications involving continuous or cyclic heating, especially in atmospheres rich in oxidizing and carburizing gases. SS 330’s long-term strength and stability make it a preferred material for fluid or gas transport systems operating under extreme conditions.
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