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Leeco Steel stocks the following standard sizes, but other sizes may be available for special orders.
THICKNESS | WIDTH | LENGTH | |
Grade 44W | 1/4" – 4" | 48" – 120" | Up to 480" |
Grade 50W | 1/4" – 4" | 48" – 120" | Up to 480" |
Grade 50A | 1/4" – 4" | 48" – 120" | Up to 480" |
The following material properties are will be confirmed on the Mill Test Report.
Yield Point (ksi) | Tensile Strength (ksi) | Elongation % | |
44W – 2.5" thick of less | 44 | 64-90 | 20 |
44W – Greater than 2.5" to 4" thick | 40 | 64-90 | 20 |
50W | 50 | 65-95 | 19 |
50A | 50 | 70-95 | 19 |
The following composition properties are for the CSA G40.21 grades.
44W | |
Carbon | 0.22% |
Manganese | 0.50-1.50% |
Phosphorus | 0.04% |
Sulfur | 0.05% |
Silicon | 0.40% |
Grade 50W | |
Carbon | 0.23% |
Manganese | 0.50-1.50% |
Phosphorus | 0.04% |
Sulfur | 0.05% |
Silicon | 0.40% |
Grade 50A | |
Carbon | 0.20% |
Manganese | 0.75-1.35% |
Phosphorus | 0.03% |
Sulfur | 0.04% |
Silicon | 0.15-0.50% |
Chromium | 0.70% |
Nickel | 0.90% |
Copper | 0.20-0.60% |