เหล็กข้ออ้อย |
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เกรด | ความหนา (mm.) | 1 M. | 10 M. | 12 M. | ||||
เหล็กข้ออ้อย SD30 | 10.00 | 0.616 | 6.16 | 7.392 | ||||
12.00 | 0.888 | 8.88 | 10.656 | |||||
16.00 | 1.578 | 15.78 | 18.936 | |||||
20.00 | 2.466 | 24.66 | 29.592 | |||||
25.00 | 3.853 | 38.53 | 46.236 | |||||
28.00 | 4.834 | 48.34 | 58.008 | |||||
32.00 | 6.313 | 63.13 | 75.756 | |||||
เหล็กข้ออ้อย SD40 | 10.00 | 0.616 | 6.16 | 7.392 |
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12.00 | 0.888 | 8.88 | 10.656 |
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16.00 | 1.578 | 15.78 | 18.936 |
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20.00 | 2.466 | 24.66 | 29.592 |
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25.00 | 3.853 | 38.53 | 46.236 |
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28.00 | 4.834 | 48.34 | 58.008 |
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32.00 | 6.313 | 63.13 | 75.756 |
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เหล็กข้ออ้อย SD50 | 12.00 | 0.888 | 8.88 | 10.656 |
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16.00 | 1.578 | 15.78 | 18.936 |
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20.00 | 2.466 | 24.66 | 29.592 |
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25.00 | 3.853 | 38.53 | 46.236 |
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28.00 | 4.834 | 48.34 | 58.008 |
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32.00 | 6.313 | 63.13 | 75.756 |