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产品规格 DIMENSIONS
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| 项目 Item 尺寸与公差 Size and Tolerance mm 型号 Type |
b1 | h1 | h | k | n | m1 | m2 | t1 | t2 | L | L2 | L3 | d | d1 | g | f | c | b3 |
| 公 差 Tolerance | ||||||||||||||||||
| ±1.5 | ±0.75 | ±0.10 | +0.10 0 |
+3 0 |
+0.06 0 |
0 -0.06 |
±0.10 | ±0.10 | +3 0 |
±0.20 | ±0.20 | ±0.75 | ±0.20 | |||||
| T50/A | 50 ±0.50 |
50 ±0.20 |
5 ±0.15 |
5 ±0.50 |
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| T70-1/A | 70 | 65 ±0.10 |
9 | 34 | 3.00 | 2.95 | 3.50 | 3.00 | 105 | 25 | 13 | 26 | 6 | 8 | 6 | 42 | ||
| T75-3/B(8K) | 75 | 62 | 61 | 10 | 30 | 3.00 | 2.95 | 3.50 | 3.00 | 123 | 90 | 30 | 13 | 26 | 7 | 9 | 8 | 43 |
| T78/B(8K) | 78 | 56 | 55 | 10 | 25 | 3.00 | 2.95 | 3.50 | 3.00 | 160 | 114 | 38 | 14 | 28 | 7 | 8.5 | 6 | 50 |
| T89/B(13K) | 89 | 62 | 61 | 15.88 | 33.4 | 6.40 | 6.37 | 7.14 | 6.35 | 156 | 114.3 | 38.1 | 13 | 26 | 7.9 | 11.1 | 10 | 57.2 |
| T90/B(15K) | 90 | 75 | 74 | 16 | 42 | 6.40 | 6.37 | 7.14 | 6.35 | 156 | 114.3 | 38.1 | 13 | 26 | 8 | 10 | 10 | 57.2 |
| T114/B(18K) | 114 | 89 | 88 | 16 | 38 | 6.40 | 6.37 | 7.14 | 6.35 | 156 | 114.3 | 38.1 | 17 | 33 | 8 | 12 | 10 | 74 |
| T127-2/B(24K) | 127 | 88.9 | 88 | 15.88 | 50.8 | 6.40 | 6.37 | 7.14 | 6.35 | 156 | 114.3 | 38.1 | 17 | 33 | 12.7 | 15.9 | 10 | 79.4 |
| 钢号 | 机械性能 | 冷弯试验 180° |
化学成份 | |||||||
| 屈服点(σs) | 抗拉强度(σs) | 伸长率(%) | ||||||||
| δ5 | δ10 | C | Mn | Si | S | P | ||||
| Q235 | ≥235 | 370-520 | ≥26 | ≥24 | d=0.5a Qualied d:弯心直径 a:试样厚度 |
0.12 0.30 |
0.22 0.70 |
≤0.30 | ≤0.045 | ≤0.045 |
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