| 1931 | FIRST continuous Galvanizing line put into operation at Kostuchna Poland. Today, close to 6,000,000 tons/year are produced on Sendzimir hot dipped galvanizing lines. |
| 1932 | FIRST Z-Mill put into operation for rolling low carbon strip at Nowy Bytom, Poland |
| 1936 | FIRST Galvanizing line started in the USA at Armco's works in Butler, Pennsylvania |
| 1939 | FIRST Z-Mill in the USA |
| 1945 | FIRST Planetary mill in Chicago |
| 1953 | FIRST production Planetary Mill started in the United Kingdom |
| 1956 | FIRST Z-mill in Japan |
| 1966 | FIRST wide stainless production Planetary mills in Japan and Canada |
| 1968 | FIRST Sendzimir tandem mill at the Shunan works of Nisshin Steel |
| 1971 | FIRST Rocker Mill |
| 1972 | FIRST Z-Trol AGC System |
| 1973 | FIRST presentation of Mini-mills for Flat Products |
| 1974 | FIRST Zero-Crown Housing |
| 1975 | FIRST Eccentric Press in tandem with a Planetary mill at Ductile Steels, Limited |
| 1976 | FIRST Super powerful ZR 21 type mills on stainless |
| 1977 | FIRST Auto gearbox for crown and wedge control |
| 1979 | FIRST Z-High mill in the USA |
| 1983 | FIRST Tandem Z-High mill in Canada |
| 1986 | World's widest stainless strip mill - an 85" wide ZR 618A-85 at Avesta KBR in Sweden |
| 1990 | FIRST complete mill contracted directly by TSINC (ZR 22B-52). |
| 1992 | FIRST Double As-U-Crown control installed in the KZR Mill (ZR 21AN-52) at the Nippon Metal's Kinura Works in Japan |
| 1992 | FIRST Split Housing Mill (ZR 21BB-54) with additional bottom crown pre-setting |
| 1995 | First 2 stand Z-High in hot rolled stainless processing line at J&L Special Metals, Midland, Pennsylvania |