


Precision in Every Curve, Strength in Every Seam
Welcome to Intellect Engineering, your trusted partner in high-quality stainless steel seamless and welded tubes and pipes. We pride ourselves on offering a comprehensive range of stainless steel tubing solutions tailored to meet the diverse needs of various industries. Our products are designed to adhere to the highest standards, including ASTM, ASME, BS, DIN, and EN specifications, with options for custom dimensions.

Product Offerings





Stainless Steel Seamless Straight Tubes & Pipes
Tubes
Pipes





Stainless Steel Seamless Corrugated Tubes
Designed to enhance turbulence in flow, these tubes offer superior heat transfer efficiency compared to plain tubes.
Size Range





Stainless Steel Seamless “U” Tubes
Ideal for heat exchangers and feed water heaters with specifications adhering to TEMA CODE ASTM A556/SA556.
Size Range






High Precision Tubes in Straight and Coil Forms
Offering precise dimensions for specialized applications.
Size Range








Stainless Steel Tubes and Pipes Components
Expert Fabricators of Custom Stainless Steel Components Tailored to Your Specifications from High-Quality Tubes and Pipes.




Specifications and Grade
Specifications
ST. SPECIFICATION | APPLICATIONS |
---|---|
ASTM A 213 / SA 213 | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Super Heater & Heat Exchanger Tubes. |
ASTM A 249 / SA 249 | Welded Austenitic Steel Boiler, Superheater, Heat Exchanger and Condenser Tubes. |
ASTM A 268 / SA 268 | Seamless and Welded Ferritic and Martensitic Stainless-Steel Tubing for General Service. |
ASTM A 269 / SA 269 | Seamless and Welded Austenitic Stainless-Steel Tubing for General Service. |
ASTM A 312 / SA 312 | Seamless and Welded Austenitic Stainless-Steel Pipes. |
ASTM A 554 / SA 554 | Welded Austenitic and Austenitic-Ferritic Duplex Stainless-Steel Mechanical Tubing. |
ASTM A 789 / SA 789 | Seamless and Welded Duplex Stainless-Steel Tubes, Pipes, and ‘U’ Tubes. |
DIN EN 10216-5 | Seamless Stainless-Steel Tubes for Pressure Purposes. |
Grades
MATERIAL | ASTM | EQUIVALENT STANDARD | |||
---|---|---|---|---|---|
UNS | GRADE (TP) | DIN (EN) | AFNDR (NF) | JIS | |
AUSTENITIC | S30400 | 304 | 1.4301 | Z6CN18.09 | SUS304 |
S30403 | 304L | 1.4307 | Z2CN18.10 | SUS304L | |
S31600 | 316 | 1.4401 | Z6CND17.11 | SUS316 | |
S31603 | 316L | 1.4404 | Z2CND17.12 | SUS316L | |
S31635 | 316TI | 1.4571 | Z2CND17.12 | – | |
S32100 | 321 | 1.4541 | Z6CNT18.10 | SUS321 | |
S34700 | 347 | 1.455 | Z6CNNb18.10 | SUS347 | |
S30409 | 304H | 1.4948 | Z6CN19.10 | SUS304H | |
S31609 | 316H | 1.4919 | Z6CND17.12 | SUS316H | |
S32109 | 321H | 1.4941 | Z10CND18.10 | SUS321H | |
FERRITIC | S40500 | 405 | 1.4002 | Z6CAL13 | SUS405 |
S41000 | 410 | 1.4006 | Z12C13 | SUS410 | |
S43000 | 430 | 1.4016 | Z10C17 | SUS430 | |
DUPLEX | S31803 | – | 1.4462 | Z2CND22.05 | – |
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Boosting Your Business with Us
At Intellect Engineering, we are committed to providing exceptional quality and service, ensuring that our stainless steel tubes and pipes meet your specific requirements. Explore our product range today and discover how we can support your projects with reliable and efficient solutions.
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