ISO 3183 — Petroleum and natural gas industries — steel pipe for pipeline transportation systems
ISO 3183 is technically identical to API 5L and defines line pipe grades L245 to L830 at PSL1 and PSL2.
ISO 3183 at a glance
| Standard | ISO 3183 |
|---|---|
| Issued by | ISO |
| Product form | Pipe |
| Grades on this site | 4 |
ISO 3183 grades and their ASTM equivalents
| ISO designation | Nearest ASTM / ASME grades | UNS | W.Nr |
|---|---|---|---|
| L245 (ISO 3183 / EN 10208-2) | API 5L Gr.B PSL1 | — | — |
| L360 (ISO 3183) | API 5L X52 PSL2 | — | 1.0582 (L360NB) |
| L415 (ISO 3183) | API 5L X60 PSL2 | — | 1.8973 (L415MB) |
| L450 (ISO 3183) | API 5L X65 PSL2 | — | 1.8975 (L450MB) |
Equivalents are the nearest commonly cited grades. Chemistry, mechanical properties and testing differ between standards — compare them before substituting one for another.
FAQ
ISO 3183: common questions
What is the ASTM equivalent of ISO 3183 L245?
The nearest ASTM grades are API 5L Gr.B PSL1.
Does Teshi Group supply material to ISO 3183?
Teshi Group manufactures flanges, fittings, fasteners and valves, and supplies pipes and plates, to ASTM / ASME specifications and to equivalent EN, JIS, GB and IS standards on request, with EN 10204 3.1 certificates. Send your requirement to info@teshigroup.com.
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