Designation Cross-Reference

GX6CrNiMo18-10 — ASTM Equivalent

Holding a datasheet that specifies GX6CrNiMo18-10 (DIN)? The valve-grade equivalent, its properties, and certified supply of the matching ASTM grade.

What is the ASTM equivalent of GX6CrNiMo18-10?

GX6CrNiMo18-10 is a DIN designation corresponding to ASTM A351 CF8M (SS 316 Cast (CF8M)) 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.

A351 CF8M

Stainless Steel

SS 316 Cast (CF8M) - cast form.

Service temperature-254°C to +454°C

Nominal compositionC ≤ 0.08%, Cr 18–21%, Ni 9–12%, Mo 2–3%, Mn ≤ 1.50%, Si ≤ 1.50%. Austenitic structure.

Typical service: Sulphuric acid (dilute, <20%); Phosphoric acid; Seawater (limited - duplex preferred for prolonged exposure)

Also designated:1.4408 (GX5CrNiMo19-11-2) [EN]316C16 [BS 1504]SCS14 [JIS]GX6CrNiMo18-10 [DIN]

Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026

Connected Engineering

Materials

A351 CF8M (SS316)

Need valves in GX6CrNiMo18-10 / its ASTM equivalent?

We supply A351 CF8M valves - the GX6CrNiMo18-10 equivalent - with EN 10204 3.1 material certification. Share the datasheet for a 24-hour quote.

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Engineering references

A351 CF8M full grade pageSS 316 Cast (CF8M)Equivalence MatrixAll 43 grades across 7 systems Designation lookup directoryEvery foreign designation indexed