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Home > Stainless Steel > Stainless Steel 321 and 321H Welded Tubing
Kamron Pipe and Tubes is a trusted manufacturer and supplier of industrial piping solutions. With a reputation of quality, reliability, and timely delivery, Kamron leads in providing a diverse variety of products such as Stainless Steel 321 and 321H welded tubing. Both alloys are special purpose tubes that are utilized for high-temperature applications and are used primarily in those situations where resistance to intergranular corrosion is important. With superior production machinery and strict quality testing, Kamron supplies tubing solutions of global quality to operate under harsh conditions across different industries.
321 and 321H welded tube stainless steel is titanium-stabilized austenitic stainless steel with excellent resistance to intergranular corrosion. It contains chromium (17–19%), nickel (9–12%), and titanium (at least five times the amount of carbon). 321H contains higher carbon content than 321 and is stronger at high temperature. Grades have good mechanical properties with tensile strengths of about 75 ksi and good creep-resistance. Grades have good weldability, excellent oxidation and scaling resistance up to 870°C, and are ideal for exposure over extended time at high temperatures without loss of structure.
Welded Tubes Size : 1 / 8″ NB – 24″ NB
Specifications : ASTM A/ASME SA213, A249, A269, A312, A358
Standard : ASTM, ASME and API
Length : Single Random, Double Random & Required Length
Outer Diameter : 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB
Thickness : 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Schedule : SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Types : Welded
Form : Round Tubes, Square Tubes, Rectangular Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes
End : Plain End, Beveled End, Treaded
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
| SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 5(C+N) – 0.70 max |
| SS 321H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 4(C+N) – 0.70 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1457 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choose Stainless Steel 321 and 321H Welded Tubing from Kamron Pipes and Tubes for exceptional corrosion resistance, superior strength and excellent durability. Ideal for a variety of industrial applications it provides outstanding performance in harsh environments. With precision manufacturing and quality assurance, we ensure reliable and durable tubing solutions.
Kamron Pipes and Tubes is the largest supplier of Stainless Steel 317 and 317L Welded Tubing in Bangkok, Thailand. Known for its high-quality products. We offer superior corrosion resistance, strength, and durability. Trusted by industries worldwide they provide reliable precision-engineered tubing for various applications and project needs.
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
| SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
| SS 321H | 1.4878 | S32109 | SUS 321H | X12CrNiTi18-9 |
Yes, Kamron Pipes and Tubes offer large custom designs for Stainless Steel 321 and 321H Welded Tubing. With design, wall thickness and length. Their adjustable options ensure the tubing meets specific application requirements. This flexibility makes it more efficient and reliable for different industries and environments. For more details, contact us at sales@www.kamronpipes.com.
321 and 321H welded stainless steel pipes are commonly applied in uses that demand resistance against high temperatures and applications demanding corrosion protection. The most common applications for them are heat exchangers, exhaust manifolds, furnace components, and thermal processing equipment. They are particularly suited to petrochemical, aerospace, and power generation processes where common exposure to high temperatures and corrosive materials is present. Their resistance to intergranular corrosion following welding and scaling make them particularly suitable for application in high-temperature, high-pressure service where long-term performance is critical.
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