SEAMLESS COMMERCIAL TUBES AND TUBES FOR WATER AND GAS
SEAMLESS COMMERCIAL TUBES AND TUBES FOR WATER AND GAS
These are seamless tubes available in both hot rolled and cold drawn forms, followed by heat treatment. They are supplied with plain ends and can be provided in fixed lengths with a tolerance of 0 to +5 mm. Mill test certificates 3.1 according to EN 10204 are available. Random lengths are approximately 6 meters.
The tubes are suitable for general applications, heat exchangers, and can be welded or threaded for constructing water or gas pipelines.
- Commercial tubes for heat exchangers and general applications adhere to ASTM A 106 standards.
- Gas tubes suitable for welding and threading comply with EN 10255 standards.
| Norm | Steel Grade | C max. | Mn | P max. | S max. | Si max. | Cr max. | Cu max. | Mo max. | Ni max. | V max. | Yield Strength min. ReH (N/mm²) | Tensile Strength min. Rm (N/mm²) | Longitudinal Elongation min. % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Commercial tubes (ASTM A 106) | Grade B | 0.30 | 0.29 | 0.035 | 0.035 | 0.10 | 0.40 | 0.40 | 0.15 | 0.40 | 0.08 | 240 | 415 | 30¹ |
| Gas pipes (EN 10255) | S195T | 0.20 | - | 1.40 | 0.035 | 0.030 | - | - | - | - | - | 195 | 320-520 | 20 |
¹ Elongation refers to a standard 50 mm long sample.
Catalog excerpts
SEAMLESS COMMERCIAL TUBES AND TUBES FOR WATER AND GAS These are round SEAMLESS tubes, either hot rolled or cold drawn with following heat treatment. They are supplied with plain ends, without bevels, and they can all be supplied in fixlength (tolerance – 0 / + 5 mm) and with mill test certificates 3.1 according to EN 10204. Random lengths are about 6 m. Commercial tubes for general applications and for heat exchangers, tubes can be welded / threaded for the construction of water or gas pipelines.
Open the catalog to page 1
NORMS COMMERCIAL TUBES FOR HEAT EXCHANGERS AND FOR GENERAL APPLICATIONS (only for what concerns the steels properties ) ASTM A 106 GAS TUBES SUITABLE FOR WELDING AND THREADING EN 10255 CHEMICAL ANAYLIS AND MECHANICAL PROPERTIES Mn Mechanical properties Commercial tubes (steel according to ASTM A 106) Yield strength Tensile strength Longitudinal min. Rm elongation min. ReH min. % max. min. max. max. max. max. max. max. max. max. max. (N/mm²=Mpa) (N/mm²=Mpa) Chemical elements (% on mass) Steel grade ¹ Elongation refers to a standard 50 mm long sample.
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STEELS TABLE1 Page
CHROMED BARS2 Pages
DIMENSIONAL TABLES1 Page
DIMENSIONAL TABLE2 Pages
SIZES AND TOLERANCES1 Page
