Description | As per IS 2830 | Shyam Billets |
---|---|---|
Bend (max.) | 5 mm per meter | >= 5 mm per meter |
Camber (max.) | 3mm per meter | >= 3 mm per meter |
Length | 3 mt – 13 mt | 3 mt – 9 mt |
Designation | %Carbon | %Manganese |
---|---|---|
C15 | 0.12-0.18 + | 0.30-0.60 |
C18 | 0.15-0.21 | 0.30-0.60 |
C20 | 0.17-0.23 | 0.30-0.60 |
C15 MMn | 0.12-0.18 | 0.60-1.00 |
C18 MMn | 0.15-0.21 | 0.60-1.00 |
C20 MMn | 0.17-0.23 | 0.60-1.00 |
C15 HMn | 0.12-0.18 | 1.00-1.50 |
C18 HMn | 0.15-0.21 | 1.00-1.50 |
C20 HMn | 0.17-0.23 | 1.00-1.50 |