Key traits
- Economical
- Powder / black oxide
- Easy to machine
Steel
AKA: A36 / Q235 class
Mild steel (A36/Q235 class) is economical for structures — powder, black oxide, or zinc common.

Grade and lead follow the quote options. Call out critical tolerances, temper, and masking on the drawing/notes. Material certs selectable on the quote.
Upload CAD with this grade preselected — set finish and inspection on the quote.