1931 FIRST continuous galvanizing line put into operation at Kostuchna Poland. Today, close to 6,000,000 tons/year are produced on galvanizing lines whose design is based on Sendzimir's original patent.
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 2- type mill for stainless
1977
FIRST auto gearbox for crown and wedge control
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
1992
FIRST Double As-U-Crown control installed in the KZR Mill (ZR 21AN-52) at
the Nippon Metal Kinura Works in Japan
1992
FIRST Split Housing Mill (ZR 21BB-54) with additional bottom crown
presetting