Public materials include stainless 304 / 316. Wet or chloride service often drives 316; many structures stay on 304. Write the grade on the STEP; do not send “stainless” alone. Passivation is not default on every face — note it if you need it.
MOQ 1. Preview with no login. Complex parts: 12h UTC+8. Typical mill about 600 × 400 × 250 mm.
Material CoC can be provided as a case — no invented certificate numbers. No implants. Lead time = production + freight. Get an instant quote.
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