ASTM A420 WPL6 is Low Temperature Carbon Steel rated for service down to -46°C (-50°F). Every fitting is Charpy V-notch impact tested at -46°C to verify toughness in sub-zero service. The mandatory LT...
ASTM A420 WPL6 is Low Temperature Carbon Steel rated for service down to -46°C (-50°F). Every fitting is Charpy V-notch impact tested at -46°C to verify toughness in sub-zero service. The mandatory LTCS grade for offshore platforms, LPG storage and processing, gas plants in cold climates, and refrigeration piping. Cannot be substituted with standard WPB below -29°C.
| Property | Value |
|---|---|
| Grade | LTCS WPL6 |
| ASTM / ASME | ASTM A420 WPL6 |
| UNS Number | — |
| Chromium (Cr) | — |
| Nickel (Ni) | — |
| Molybdenum (Mo) | — |
| Max/Min Service Temp | -46°C min |
| Fitting Standard | ASME B16.9 / MSS SP-43 |
| Size Range | ½" NB to 48" NB |
| Certificate | EN 10204 3.1 MTC |
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