Carbon (C) | Manganese (Mn) | Silicon (Si) | Vanadium (V) | Niobium (Nb) | Phosphorus (P) | Sulfur (S) | |
Trên 1-1/2" in | 0.23 | 1.35 | 0.15-0.4 | 0.01-0.05 | 0.005-0.05 | 0.04 | 0.05 |
Dưới 1-1/2" in | 0.23 | 1.35 | 0.4 | 0.01-0.05 | 0.005-0.05 | 0.04 | 0.05 |
Sức căng (PSI) | Sức cong (PSI) | Độ dãn dài % ở 50,8mm | Độ cứng Brinell |
65,000 | 50,000 | 19 | 135 |
Độ dày (Inches) | Từ 47" | 48 to 59" | 60 to 71" | 72 to 83" | 84 to 95" | 96 to 107" | 108 to 119" | 120 to 131" | 132 to 143" | 144 to 167" |
To under 1/4 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.04 | - |
1/4 to under 5/16 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.04 | 0.04 | - |
5/16 to under 3/8 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.04 | 0.04 | 0.05 |
3/8 to under 5/8 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.04 | 0.04 | 0.05 | 0.06 |
3/4 to under 1 | 0.03 | 0.03 | 0.03 | 0.03 | 0.04 | 0.04 | 0.05 | 0.05 | 0.06 | 0.07 |
1 to under 2 | 0.06 | 0.06 | 0.06 | 0.06 | 0.06 | 0.07 | 0.08 | 0.10 | 0.10 | 0.11 |
2 to under 3 | 0.09 | 0.09 | 0.09 | 0.10 | 0.10 | 0.11 | 0.12 | 0.13 | 0.14 | 0.15 |
3 to under 4 | 0.11 | 0.11 | 0.11 | 0.11 | 0.11 | 0.13 | 0.14 | 0.14 | 0.14 | 0.15 |
4 to under 6 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.20 |
Độ dày | Lbs/Sq. FT | > 36 | 36 > 48 | 48 > 60 | 60 > 72 | 72 > 84 | 84 > 96 | 96>108" |
Under 1/4" | > 10.2# | 0.81 | 1.13 | 1.38 | 1.88 | 2.00 | 2.25 | 2.38 |
1/4 to under 3/8 | 10.2 > 15.3 | 0.75 | 0.94 | 1.13 | 1.38 | 1.75 | 1.88 | 2.00 |
3/8 to under 1/2 | 15.3 > 20.4 | 0.75 | 0.88 | 0.94 | 0.94 | 1.13 | 1.31 | 1.50 |
1/2 to under 3/4 | 20.4 > 30.6 | 0.63 | 0.75 | 0.81 | 0.88 | 1.00 | 1.13 | 1.25 |
3/4 to under 1 | 30.6 > 40.8 | 0.63 | 0.75 | 0.88 | 0.88 | 0.94 | 1.00 | 1.13 |
1 to under 2 | 40.8 > 81.7 | 0.56 | 0.63 | 0.75 | 0.81 | 0.88 | 0.94 | 1.00 |
2 to under 4 | 81.7 > 163.4 | 0.50 | 0.56 | 0.69 | 0.75 | 0.75 | 0.75 | 0.75 |
4 to under 6 | 163.4 > 245.0 | 0.56 | 0.69 | 0.75 | 0.75 | 0.88 | 0.88 | 0.94 |
6 to under 8 | 245.0 > 326.7 | 0.63 | 0.75 | 0.75 | 0.94 |
Tác giả bài viết: Thép Thuận Thiên
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