Stainless Steel 321 pipes epitomize durability and versatility, offering a seamless blend of strength and corrosion resistance. Characterized by their titanium-stabilized composition, these pipes stand as a formidable solution for applications in high-temperature environments. The addition of titanium mitigates the risk of sensitization, preventing the formation of harmful carbides and ensuring the pipes' resilience against intergranular corrosion. This makes them particularly well-suited for applications in exhaust systems, heat exchangers, and furnace components, where their ability to withstand prolonged exposure to elevated temperatures remains unmatched.
The utility of Stainless Steel 321 pipes is evident in their multifaceted applicability across various industries. Their resistance to corrosion, especially in chloride-rich environments, positions them as an ideal choice for chemical processing, petrochemicals, and coastal installations. The pipes' mechanical properties remain robust even in high-temperature settings, making them indispensable in applications that require both strength and heat resistance, such as power generation facilities and aircraft components. Stainless Steel 321 pipes exemplify the material science's prowess in tailoring alloys to address the stringent demands of industries operating in challenging conditions.
One of the most notable attributes of Stainless Steel 321 pipes is their exceptional weldability and formability. The low carbon content significantly reduces the risk of sensitization and intergranular corrosion during welding processes, ensuring that the pipes maintain their integrity even after fabrication. This quality enhances their appeal for industries where complex structures and systems require precision welding. The pipes' ability to be easily shaped and molded further expands their application potential, seamlessly fitting into diverse systems where resistance to temperature fluctuations, chemical exposure, and mechanical stress are vital requirements.
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Specification:
Grade: Stainless Steel 321
Sizes (Seamless): 1/2" NB - 24" NB
Sizes (ERW): 1/2" NB - 24" NB
Sizes (EFW): 6" NB - 100" NB
Wall Thickness: Schedule 5S - XXS
Length: Single Random, Double Random, Cut Length
Form: Round, Square, Rectangular, Hydraulic, etc.
Ends: Plain End, Beveled End, Threaded End
Surface Finish: Annealed and Pickled, Polished, Bright Annealed
Corrosion Resistance: Excellent
Temperature Resistance: Up to 870°C (1600°F)
Weldability: Good
Chemical Composition of 321 Staineless Steel Pipes
| Element | Carbon (C) | Silicon (Si) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) | Chromium (Cr) | Nickel (Ni) | Titanium (Ti) | Iron (Fe) |
| Chemical Composition (% by weight) | 0.08 max | 0.75 max | 2.00 max | 0.045 max | 0.030 max | 17.00 - 19.00 | 9.00 - 12.00 | 5x(C+N) min, 0.70 max | Balance |
Mechanical Properties of 321 Staineless Steel Pipes
| Property | Tensile Strength, Ultimate | Tensile Strength, Yield | Elongation at Break | Modulus of Elasticity | Poisson's Ratio | Hardness, Brinell (HB) |
| Value | 515 - 730 MPa (75 - 106 ksi) | 205 - 275 MPa (30 - 40 ksi) | 40% min | 193 GPa (28 x 10^6 psi) | 0.3 | 217 max |
Advantages of 321 Stainless Steel Pipes:
- Good general corrosion resistance and high strength
- Good sulfide stress corrosion resistance
- Resistance to chloride pitting and crevice corrosion
- Higher resistance to chloride stress corrosion cracking
- Easy to weld and conform
Some of Our Specialities that make us a profitable Business Partner for our clients are :
- Customer focused approach
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Applications Industry
| Pharmaceutical Equipment | Chemical Equipment |
| Sea Water Equipment | Heat Exchangers |
| Heat Exchangers | Gas Processing |
| Condensers | Specialty Chemicals |
| Pulp and Paper Industry | Pharmaceuticals |
We supply Pipes, Tubes & Fittings Worldwide.
Exporting Steel Pipes & Tubes to over 60 countries including Afghanistan, Albania, Andorra, Angloa, Austria, Australia, Bahrain, Bangladesh, Bhutan, Brazil, Brunei, Belarus, Belgium, Bulgaria, Cambodia, China, Cyprus, Croatia, Czech Republic, Canada, Denmark, Estonia, Egypt, Finland, France, Germany, Greece, Georgia, Hungary, Iceland, Ireland, Italy, Indonesia, Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Lebanon, Latvia, Latin America, Liechtenstein, Lithuania, Luxembourg, Malta, Madagascar, Mexico, Moldova, Monaco, Malaysia, Maldives, Mongolia, Myanmar (Burma), Nepal, New Zealand, North Korea, Netherlands, Norway, Nigeria, Oman, Poland, Portugal, Pakistan, Palestine, Philippines, Qatar, Russia, Romania, Russia, San Marino, Serbia and Montenegro, Slovakia, Slovenia, Spain, Sweden, Switzerland, Saudi Arabia, Singapore, South Korea, South Africa, Sri Lanka, Sudan, Syria, Taiwan, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, United Arab Emirates (UAE), Uzbekistan, Venezuela, Vietnam, Yemen, etc.