Stainless steel pipes are highly durable and corrosion-resistant cylindrical hollow tubes widely used for transporting fluids and gases in various industrial sectors. Known for their strength, reliability, and ability to withstand high temperatures and pressures, these pipes are essential in industries such as oil & gas, chemical processing, food & beverage, pharmaceuticals, and construction.
These pipes are available in both seamless and welded forms, with seamless pipes being preferred for high-pressure applications and welded pipes offering cost-effective solutions for low to medium pressure systems. Stainless steel pipes come in multiple grades, including 304, 304L, 316, 316L, and 321, each offering unique benefits depending on the environment and application.
Grade 304 and 304L are widely used for general-purpose piping, while 316 and 316L are ideal for marine and highly corrosive environments. Stainless steel pipes are manufactured as per international standards such as ASTM A312, A213, and A269, and are available in various sizes, schedules, and finishes like annealed, pickled, or polished.
| Material | Standard | Available Grades | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | ||
| Stainless Steel | ASTM A312 / A213 | 304 | 304L | 304H | 309 | 310 | 310S | 316 | 316L | 316Ti | 317L |
| 321 | 321H | 347 | 347H | 410 | 446 | 904L | |||||
| Duplex / Super Duplex | ASTM A790 / A928 | Duplex S31803 / S32205 | Super Duplex S32750 / S32760 | ||||||||
| Nickel Alloys | ASTM B161 / B163 | Nickel 200 | Nickel 201 | Inconel 600 | Inconel 601 | Inconel 625 | Inconel 718 | Incoloy 800 | Incoloy 800HT | Incoloy 825 | |
| Alloy Steel | ASTM A335 / A213 | P5 | P9 | P11 | P12 | P22 | P91 | P92 | |||
| Titanium | ASTM B338 | Gr 1 | Gr 2 | Gr 5 | Gr 9 | ||||||
| Carbon Steel | ASTM A106 / A53 / API 5L | Seamless | ERW | SAW | LSAW | HSAW | API 5L | ||||
| Copper Nickel | ASTM B466 / B467 | CuNi 70/30 | CuNi 90/10 | ||||||||
| Other Alloys | - | SMO 254 | Alloy 28 | 253 MA (S30815) | Alloy 20 | Hastelloy | Aluminium | ||||