GS-17CrMo 5 5 — ASTM Equivalent
Holding a datasheet that specifies GS-17CrMo 5 5 (DIN)? The valve-grade equivalent, its properties, and certified supply of the matching ASTM grade.
What is the ASTM equivalent of GS-17CrMo 5 5?
GS-17CrMo 5 5 is a DIN designation corresponding to ASTM A217 Grade WC6 (1¼Cr½Mo Alloy Steel WC6) 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.
A217 Grade WC6
Chrome-Moly / Alloy Steel1¼Cr½Mo Alloy Steel WC6 - cast form.
Typical service: Steam service 400–595°C (power generation, refinery steam headers); High-temperature hydrocarbon vapour service; Catalytic reformer and hydrotreater hot section
Connected Engineering
Need valves in GS-17CrMo 5 5 / its ASTM equivalent?
We supply A217 Grade WC6 valves - the GS-17CrMo 5 5 equivalent - with EN 10204 3.1 material certification. Share the datasheet for a 24-hour quote.