How To Choose Steel Column:Column Sizing Reference - Knowledge
Column size depends on building height, load and crane tonnage: 1. 6m high light warehouse column: HW200×200 H-section, Q235B...

1. 6m high light warehouse column: HW200×200 H-section, Q235B
2. 8m high standard warehouse column: HW250×250 H-section, Q355B
3. 10m high 5t crane workshop column: HW300×300 welded H-section, Q355B
4. 12m high 10t crane workshop column: HW350×350 welded box section, Q355B
5. 14m high 20t heavy workshop column: 400×400 welded box column, Q355B