WELDABLE PHOSPHATE COATING FOR STEEL

THE FIRST WELDABLE COATING FOR STEEL HAS BEEN ANNOUNCED BY INTERNATIONAL RUSTPROOF CO. THE COATING DOES NOT IMPAIR THE WELDABILITY OF THE STEEL SUBSTRATE, AND LEAD PHOSPHATE COATING CAN BE APPLIED TO STEEL AT THE MILL DURING FABRICATION, SERVE AS A PROTECTIVE CORROSION BARRIER DURING TRANSIT AND STORAGE, AND THEN REMAIN ON THE STEEL DURING SUBSEQUENT FORMING AND DRAWING OPERATIONS. THE COATING AFFORDS GOOD PROTECTION AGAINST RUST, REDUCES FRICTION IN DRAWING OPERATIONS, CREATES A BASE FOR ELECTROPLATING OPERATIONS, AND IS HIGHLY RESISTANT TO REMOVAL BY ALL THE STRONGEST ALKALIES AND MINERAL ACIDS. THE COATINGS CONSIST OF HEXAGONAL CRYSTALS AND ARE SIMILAR IN APPEARANCE TO APATITE (A COMPLEX, CALCIUM FLUORIDE -- CALCIUM PHOSPHATE). THE COATING PROVIDES A GOOD PAINT BASE AND REDUCES POWER REQUIREMENTS IN ELECTROCOATING COMPARED WITH ZINC PHOSPHATED STEEL.

  • Supplemental Notes:
    • Vol 59, No 4, P 61
  • Publication Date: 1967-4

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Filing Info

  • Accession Number: 00216735
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Feb 24 1994 12:00AM