Special grade
d ≥ 3 mm, D ≤ 1,000 mm, R ≤ 600 mm, impurities ≤ 0.3%, sections, plates, stampings, machine parts...
Grade 1
d ≥ 3 mm, D ≤ 3,000 mm, R ≤ 600 mm, impurities 0.3%–1%, like special grade with higher impurities allowed
Grade 2
d < 3 mm, household scrap (drums, frames, cables...), impurities 1%–2%, sheet ≥ 1 mm
Cast iron block
Engine blocks, machine parts, rolls, impurities ≤ 1%
Cans/Sheet
Tin cans (milk, fish, fruit...), roofing sheet < 1 mm, loose form