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P275NL1 — ASTM Equivalent

Holding a datasheet that specifies P275NL1 (EN)? The valve-grade equivalent, its properties, and certified supply of the matching ASTM grade.

What is the ASTM equivalent of P275NL1?

P275NL1 is a EN designation corresponding to ASTM A350 Grade LF2 (Low Temperature Forged Carbon Steel LF2) for industrial valve service. The full grade data is below - equivalence is by nominal chemistry and mechanical class, so confirm composition and heat-treat condition against the governing standard before substituting in critical service.

A350 Grade LF2

Carbon Steel

Low Temperature Forged Carbon Steel LF2 - forged form.

Service temperature-46°C to +345°C
Nominal compositionC ≤ 0.30%, Mn 0.60–1.35%, Si 0.15–0.30%, P ≤ 0.035%, S ≤ 0.040%. Impact tested at −46°C.

Typical service: LNG satellite and transfer stations; LPG storage, loading, and transfer systems; Refrigeration piping and CO₂ service

Also designated:SA-350 LF2 [ASME]P275NL1 [EN]1.0488 (approx) [EN]
Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026

Connected Engineering

Materials
A216 WCB Carbon SteelA352 LCC Low-Temp

Need valves in P275NL1 / its ASTM equivalent?

We supply A350 Grade LF2 valves - the P275NL1 equivalent - with EN 10204 3.1 material certification. Share the datasheet for a 24-hour quote.

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Engineering references

A350 Grade LF2 full grade pageLow Temperature Forged Carbon Steel LF2Equivalence MatrixAll 43 grades across 7 systemsDesignation lookup directoryEvery foreign designation indexed