| 1927 |
Heléns was founded as a province distributor for the middle Swedish ironworks. |
| 1960 |
Heléns becomes part of the German Benteler group and establishes partnership with the Finish Steel manufacturer Rautaruukki. |
| 1970 |
Heléns establishes in Norway and Denmark. |
| 1980 |
A separate sheet-metal department is built. Heléns takes over Meko Bandstål AB. Heléns Rör production center is built. Heléns becomes part owner in Polarputki OY in Finland. |
| 1991 |
Heléns Stål AB establishes. |
| 1994 |
Heléns takes over Knäred Måttbands factory. |
| 1995 |
A warehouse and offices are established in Stenungssund. |
| 1996 |
Heléns Stål A/S in Denmark is established. |
| 1997 |
Establishes in the Baltic. |
| 2000 |
Heléns Stål, new production site in the Halmstad harbor. |
| 2001 |
Heléns Stål AB is sold to Rautaruukki OY. |
| 2002 |
Heléns celebrates its 75th anniversary. Heléns invests in duplicated productioncapacity in Knäred. |