Pipes
Seamless and welded pipes
UNI MASS supplies seamless and welded pipes in 304 and 316 stainless steel, carbon steel and alloy steel, specified to recognised standards for pipeline and process systems.
- ASTM A312
- Standard specifications
- Custom work
- Threading and grooving
Key features
- Low-carbon grades for improved weldability and corrosion resistance.
- Common schedules including Sch 40, Sch 80 and Sch 160.
- Material test certificates (MTC) available for traceability.
- Technical support with material grade selection.
Product standards
| Material | Method | Main standards |
|---|---|---|
| Stainless steel | Seamless / welded | ASTM A312 / A269 |
| Carbon steel | Seamless / ERW / LSAW | ASTM A106 / A53 / API 5L |
| Alloy steel | High temperature / pressure | ASTM A335 (P11, P22) |
Product examples

Carbon steel pipes 
Stainless steel pipes 
Welded pipes 
Corrosion-resistant pipes
Tell us what your project needs
Send us the grade, size, rating and quantity you need, and we will prepare a quotation.
