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Leeco Steel stocks the following standard sizes, but other sizes may be available for special orders.
THICKNESS | WIDTH | LENGTH | |
A633 (all grades) | 1/4" – 6" | 48" – 120" | Up to 480" |
The following material properties are ASTM specifications and will be confirmed on the Mill Test Report.
Grade | Yield Point (ksi) | Tensile Strength (ksi) | Min. 8” Elongation % |
A | 42 | 63-83 | 18 |
C & D ≤2.5” thick | 50 | 70-90 | 18 |
C & D >2.5" thick to 4" thick. | 46 | 65-85 | 18 |
E ≤4" thick | 60 | 80-100 | 18 |
E Over 4" thick to 6" thick. | 55 | 75-95 | 18 |
The following composition properties are ASTM specifications for A633 grades.
Grade A | |
Carbon max | 0.18% |
Manganese | 1.00-1.35% |
Phosphorus max | 0.030% |
Sulfur max | 0.030% |
Silicon | 0.15-0.50% |
Columbium | 0.05% max |
Grade C | |
Carbon max | 0.20% |
Manganese | 1.15-1.50% |
Phosphorus max | 0.030% |
Sulfur max | 0.030% |
Silicon | 0.15-0.50% |
Columbium | 0.01-0.05% |
Grade D | |
Carbon max | 0.20% |
Manganese, ≤1 1/2" thick | 0.70-1.35% |
Manganese, Over 1 1/2" to & incl 4" thick | 1.00-1.60% |
Phosphorus max | 0.030% |
Sulfur max | 0.030% |
Silicon | 0.15-0.50% |
Copper max | 0.35% |
Nickel max | 0.25% |
Chromium max | 0.25% |
Molybdenum max | 0.08% |
Grade E | |
Carbon max | 0.22% |
Manganese | 1.15-1.50% |
Phosphorus max | 0.030% |
Sulfur max | 0.030% |
Silicon | 0.15-0.50% |
Vanadium | 0.04-0.11% |
Nitrogen max | 0.03% |