Speed recommendations

Material type Round

Square

Thick walled
tube (≥ 2,5mm)

Thin walled
tube (≤ 2mm)

RSJ

Channel

Structural steels 30-60 30-60 40-80 50-120 48-80 30-60
Special steels 20-40 20-40 20-50 25-80 20-50 20-50
Stainless steel 5-30 5-30 5-40 10-50 10-40 10-40
Cast steel 15-30 15-30 15-30
Cast iron 10-40 10-40 10-50
Copper 200-400 200-400 200-500 350-650
Brass 350-600 350-600 350-750 400-900
Bronze 25-125 25-125 25-125
Aluminum 80-1,800 80-1,800 125-1,800 250-1,800 80-1,800