Stainless steel pipes
Hayaku Supply specializes in providing high-quality stainless steel pipes, specifically SS316,SS316L and SS304 grades, tailored for the oil and gas as well as construction industries. Our products are designed to meet the stringent requirements of these sectors, ensuring durability and resistance to corrosion, even in the most demanding environments. With a commitment to excellence, we source our materials from trusted manufacturers and offer a wide range of sizes and specifications to suit various applications. Our dedicated team works closely with clients to understand their unique needs, providing not only products but also expert guidance and support throughout the project lifecycle.
We supply Stainless steel Pipes in USA and export worldwide for below grades size ranges from 1/8 inch to larger sizes
Stainless Steel Specifications
| Grade | UNS No | BS | Euronorm No |
|---|---|---|---|
| 301 | S30100 | 301S21 | 1.4310 |
| 302 | S30200 | 302S25 | 1.4319 |
| 303 | S30300 | 303S31 | 1.4305 |
| 304 | S30400 | 304S31 | 1.4301 |
| 304L | S30403 | 304S11 | 1.4306 |
| 304H | S30409 | – | 1.4948 |
| 305 | S30500 | 305S19 | 1.4303 |
| 310 | S31000 | 310S24 | 1.4833 |
| 310S | S31008 | 310S16 | 1.4845 |
| 314 | S31400 | 314S25 | 1.4841 |
| 316 | S31600 | 316S31 | 1.4401 |
| 316L | S31603 | 316S11 | 1.4404 |
| 316H | S31609 | 316S51 | – |
| 321 | S32100 | 321S31 | 1.4541 |
| 403 | S40300 | 403S17 | 1.4000 |
| 405 | S40500 | 405S17 | 1.4002 |
| 409 | S40900 | 409S19 | 1.4512 |
| 410 | S41000 | 410S21 | 1.4006 |
| 416 | S41600 | 416S21 | 1.4005 |
| 420 | S42000 | 420S37 | 1.4021 |
| 430 | S43000 | 430S17 | 1.4016 |
| 630 | S17400 | – | 1.4542 |
SUPER DUPLEX PIPES UNS32750
ASTM Pipes
ANSI/ASME B36.10M
ASTM A240/A240M
ASTM A530/A530M
ASTM A312/A312M
ASTM A358/A358M
SMLS/WELDED PIPE 254 SMO /UNS N31254
Duplex & Super Duplex Stainless Steel Pipes
2507 (UNS S32750, WN 1.4410)
2205 (UNS S31803/S32205, WN 1.4462)
2550 (UNS S32550, WN 1.4507)
2101 (UNS S32101, WN 1.4162)
2304 (UNS S32304, WN 1.4362)
Austenitic Stainless Steel Pipe Grades
316L (UNS S31603, WN 1.4404)
316Ti (UNS S31635, WN 1.4571)
304L (UNS S30403, WN 1.4306)
304H (UNS S30409, WN 1.4948)
317L (UNS S31703, WN 1.4438)
321 (UNS S32100, WN 1.4541)
Grade Families of Stainless Steel
Ferritic Stainless Steels : It is characterized by a chromium content that typically ranges between 12% and 18%. This unique composition gives it several advantageous properties, including good resistance to stress corrosion cracking and oxidation. Common Ferritic grades, such as 409 and 430, are frequently utilized in various applications, including automotive exhaust systems and kitchen appliances, due to their superior durability and aesthetic appeal. In addition, these grades provide a cost-effective alternative to austenitic stainless steels while maintaining satisfactory mechanical properties, making them a popular choice in industries requiring resistance to moderately aggressive environments.
Austenitic Stainless Steels : Approximately 75% of commercially produced stainless steels fall under the category of austenitic. This particular type is renowned for its excellent corrosion resistance and high ductility, making it a popular choice across various industries. The most common grade is 304, which contains 18% chromium and 8% nickel, providing an optimal balance of strength and workability. This grade is frequently used in food processing, kitchen equipment, and architectural applications due to its ability to withstand harsh environments. Moreover, its non-magnetic properties further enhance its desirability in applications requiring magnetic susceptibility limitations.
Martensitic Stainless Steels : This category of stainless steels is characterized by a high carbon content, typically ranging from 0.1 to 1.2%, which contributes to its strength and hardness. Like ferritic stainless steel, the chromium content in martensitic steels ranges between 12% and 18%, providing excellent corrosion resistance. These materials are known for their remarkable features such as being heat treatable, which allows for the enhancement of their mechanical properties through thermal processes. Additionally, they exhibit magnetic properties, making them suitable for applications requiring magnetic characteristics. Martensitic stainless steels are commonly used in the production of cutlery, surgical instruments, and other high-strength components, where both durability and resistance to wear are essential for long-term performance.
Duplex Stainless Steels : Duplex stainless steels contain the characteristics of both ferritic and austenitic stainless steels, exhibiting a unique microstructure that combines the best properties of both types. They typically have a high chromium content ranging from 18% to 28%, which contributes to their enhanced resistance to corrosion and oxidation. Additionally, the nickel content in duplex stainless steels is moderate, falling between 4.5% and 8%, striking a balance that helps maintain good toughness at both elevated and sub-zero temperatures. Furthermore, duplex stainless steels may include up to 4% molybdenum, which significantly improves their resistance to pitting and crevice corrosion in chloride environments. These steels are particularly valued for their excellent corrosion resistance, making them ideal for use in harsh environments such as chemical processing and marine applications. Moreover, their tensile and yield strength is notably higher than that of conventional austenitic and ferritic grades, allowing for lighter and more efficient product designs without sacrificing durability or performance. The combination of these properties makes duplex stainless steels an increasingly popular choice in the engineering and construction sectors.
Need Quality stainless steel at your project site,contact Hayaku.