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Which stainless grade fits my Automotive & EV motor housing & busbar?

Update Time:2026/9/3

Quick buyer guidance

For Automotive & EV motor housing & busbar where thermal flatness & creep at high voltage: 304 for general corrosion resistance; 316/316L when chloride or medical/marine exposure is likely; 440C when you need hardenable wear resistance. LusterControl machines 304, 316, 303, 440C and 630 (17-4PH).

Proof points for buyers

  • Material cert (mill test report) with every lot.
  • Positive material identification on incoming stock.
  • Lot traceability end-to-end.

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