ASTM A194 Gr 7 Heavy Hex Nuts Description: “The ASTM A194 Gr 7 Heavy Hex Nuts are produced with hot forging, cold forging and machining from heat treated bar stock.ASTM A194 Grade 7 Nuts are very common in this grade as they are much suitable for high torque tightening.
ASTM A194 Gr 7 重型六角螺母
描述："ASTM A194 Gr 7 重型六角螺母采用热锻、冷锻和机加工工艺，由热处理棒料制成。
这些螺母能够在高压和高温环境下保持强度，与 ASTM A193 螺栓一起用于紧固压力容器、阀门和法兰。
”
钢：4、6、8、10、12
用户："ASTM A194 7 级螺母规格可用于要求在高温或高压环境下具有良好性能的应用场合。
材料：不锈钢、碳钢和其他金属材料
优势 "ASTM A194 7 级材料规格包括具有高抗拉强度的螺母和其他各种内螺纹紧固件。它们由经过热处理的含铬和钼合金钢制成。
| 螺纹尺寸 | M14 | M16 | M20 | M24 | M27 | M30 | M33 | M36 | M39 | M42 | |
| d | |||||||||||
| P | 螺距（粗牙） | 2 | 2 | 2.5 | 3 | 3 | 3.5 | 3.5 | / | / | / |
| 螺距（细牙） | / | / | / | / | / | / | / | 3 | 3 | 3 | |
| da | 最大 | 15.1 | 17.3 | 21.6 | 25.9 | 29.1 | 32.4 | 35.6 | 38.9 | 42.1 | 45.4 |
| 分钟 | 14 | 16 | 20 | 24 | 27 | 30 | 33 | 36 | 39 | 42 | |
| dw | 分钟 | 21.1 | 24.1 | 30.5 | 37.5 | 42.5 | 46.5 | 50.8 | 55.8 | 60.1 | 60.1 |
| e | 分钟 | 25.94 | 29.3 | 36.96 | 44.8 | 50.4 | 54.88 | 60.26 | 65.86 | 70.67 | 70.67 |
| m | 最大 | 14.3 | 16.4 | 20.4 | 24.4 | 27.4 | 30.4 | 33.5 | 36.5 | 39.5 | 42.5 |
| 分钟 | 13.6 | 15.7 | 19.1 | 23.1 | 26.1 | 28.8 | 31.9 | 34.9 | 37.9 | 40.9 | |
| mw | 分钟 | 10.9 | 12.5 | 13.9 | 18.5 | 20.9 | 23.1 | 25.5 | 27.9 | 30.3 | 32.2 |
| s | 最大 | 24 | 27 | 34 | 41 | 46 | 50 | 55 | 60 | 65 | 65 |
| 分钟 | 23.16 | 26.16 | 33 | 40 | 45 | 49 | 53.8 | 58.8 | 63.1 | 63.1 |
| 螺纹尺寸 | M45 | M48 | M52 | M56 | M64 | M70 | M76 | M82 | M90 | |
| d | ||||||||||
| P | 螺距（粗牙） | / | / | / | / | / | / | / | / | / |
| 螺距（细牙） | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | |
| da | 最大 | 48.6 | 51.8 | 56.2 | 60.5 | 69.1 | 75.6 | 82.1 | 88.6 | 97.2 |
| 分钟 | 45 | 48 | 52 | 56 | 64 | 70 | 76 | 82 | 90 | |
| dw | 分钟 | 65.1 | 70.1 | 75.1 | 79.3 | 89.3 | 96.9 | 104.5 | 112.1 | 123.5 |
| e | 分钟 | 76.27 | 81.87 | 87.47 | 92.74 | 103.94 | 111.79 | 120.74 | 129.45 | 142.8 |
| m | 最大 | 45.5 | 48.5 | 52.5 | 56.5 | 64.5 | 70.5 | 76.5 | 82.5 | 90.5 |
| 分钟 | 43.92 | 46.9 | 50.6 | 54.6 | 62.6 | 68.4 | 74.6 | 80 | 88.3 | |
| mw | 分钟 | 35.2 | 37.5 | 45.3 | 48.7 | 50.1 | 55 | 59.7 | 64.4 | 70.7 |
| s | 最大 | 70 | 75 | 80 | 85 | 95 | 102 | 110 | 118 | 130 |
| 分钟 | 68.1 | 73.1 | 78.1 | 82.8 | 92.8 | 100 | 107.8 | 115.6 | 127.5 |
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