24 B级小方头螺栓GB/T 35—1988标准
B级小方头螺栓GB35—1988标准
B级小方头螺栓的尺寸规格、质量见表4.1-45和表4.1-46。
表4.1-45 B级小方头螺栓的尺寸规格(mm)
螺纹规格d | M5 | M6 | M8 | M10 | M12 | (M14) | M16 | (M18) | M20 | (M22) | M24 | (M27) | M30 | M36 | M42 | M48 | |
b | l≤125 | 16 | 18 | 22 | 26 | 30 | 34 | 38 | 42 | 46 | 50 | 54 | 60 | 66 | 78 | — | |
125<l≤200 | — | 一 | 28 | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | 66 | 72 | 84 | 96 | 108 | |
l>200 | — | — | — | — | — | — | 57 | 61 | 65 | 69 | 73 | 79 | 85 | 97 | 109 | 121 | |
e min | 9.93 | 12.53 | 16.34 | 20.24 | 22.84 | 26.21 | 30.11 | 34.01 | 37.91 | 42.9 | 45.5 | 52 | 58.5 | 69.94 | 82.03 | 95.05 | |
k | 公称 | 3.5 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 15 | 17 | 20 | 23 | 26 |
min | 3.26 | 3.76 | 4.76 | 5.76 | 6.71 | 7.71 | 8.71 | 9.71 | 10.65 | 11.65 | 12.65 | 14.65 | 16.65 | 19.58 | 22.58 | 25.58 | |
max | 3.74 | 4.24 | 5.24 | 6.24 | 7.29 | 8.29 | 9.29 | 10.29 | 11.35 | 12.35 | 13.35 | 15.35 | 17.35 | 20.42 | 23.42 | 26.42 | |
k’ min | 2.28 | 2.63 | 3.33 | 4.03 | 4.7 | 5.4 | 6.1 | 6.8 | 7.45 | 8.15 | 8.85 | 10.25 | 11.65 | 13.71 | 15.81 | 17.91 | |
r rain | 0.2 | 0.25 | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 | 0.8 | 0.8 | 0.8 | 0.8 | 1 | 1 | 1 | 1.2 | 1.6 | |
s | max | 8 | 10 | 13 | 16 | 18 | 21 | 24 | 27 | 30 | 34 | 36 | 41 | 46 | 55 | 65 | 75 |
min | 7.64 | 9.64 | 12.57 | 15.57 | 17.57 | 20.16 | 23.16 | 26.13 | 29.16 | 33 | 35 | 40 | 45 | 53.5 | 63.1 | 73.1 | |
x min | 2 | 2.5 | 3.2 | 3.8 | 4.2 | 5 | 5 | 6.3 | 6.3 | 6.3 | 7.5 | 7.5 | 8.8 | 10 | 11.3 | 12.5 | |
l① | 20〜50 | 30 ~60 | 35〜80 | 40~100 | 45〜120 | 55〜140 | 55〜160 | 60~180 | 65~200 | 70〜200 | 80〜240 | 90〜260 | 90~300 | 110~300 | 130〜300 | 140〜300 |
①公称长度系列:20-70(5进级)、80-160(10进级)、180-300 mm(20 mm进级)。
表4.1-46 B级小方头螺栓的质量(kg)
每1000件钢制品的大约质量 | |||||||||||||||
l | G | l | G | l | G | l | G | l | G | l | G | l | G | l | G |
M5 | M6 | M8 | M10 | M12 | (M14) | M16 | (M18) | ||||||||
20 | 3.75 | 30 | 7.59 | 35 | 16.09 | 40 | 29.23 | 45 | 46.3 | (55) | 75.05 | (55) | 103.8 | 60 | 142.6 |
25 | 4.35 | 35 | 8.45 | 40 | 17.65 | 45 | 31.69 | 50 | 49.86 | 60 | 79.93 | 60 | 110.3 | (65) | 150.7 |
30 | 4.95 | 40 | 9.31 | 45 | 19.2 | 50 | 34.14 | (55) | 53.43 | (65) | 84.8 | (65) | 116.9 | 70 | 158.8 |
35 | 5.55 | 45 | 10.16 | 50 | 20.76 | (55) | 36.6 | 60 | 56.99 | 70 | 89.68 | 70 | 123.4 | 80 | 175.1 |
40 | 6.15 | 50 | 11.02 | (55) | 22.31 | 60 | 39.06 | (65) | 60.55 | 80 | 99.43 | 80 | 136.5 | 90 | 191.3 |
45 | 6.75 | (55) | 11.88 | 60 | 23.87 | (65) | 41.51 | 70 | 64.11 | 90 | 109.2 | 90 | 149.6 | 100 | 207.5 |
50 | 7.35 | 60 | 12.74 | (65) | 25.42 | 70 | 43.97 | 80 | 71.24 | 100 | 118.9 | 100 | 162.7 | 110 | 223.8 |
70 | 26.98 | 80 | 48.88 | 90 | 78.36 | 110 | 128.7 | 110 | 175.8 | 120 | 240 | ||||
80 | 30.09 | 90 | 53.79 | 100 | 85.48 | 120 | 138.4 | 120 | 188.8 | 130 | 256.3 | ||||
100 | 58.7 | 110 | 92.61 | 130 | 148.2 | 130 | 201.9 | 140 | 272.5 | ||||||
120 | 99.73 | 140 | 157.9 | 140 | 215 | 150 | 288.8 | ||||||||
150 | 228.1 | 160 | 305 | ||||||||||||
160 | 241.2 | 180 | 337.5 |
续表4.1-46:
l | G | l | G | l | G | l | G | l | G | l | G | l | G | l | G |
M20 | (M22) | M24 | (M27) | M30 | M36 | M42 | M48 | ||||||||
(65) | 194.8 | 70 | 262.6 | 80 | 340.9 | 90 | 501.2 | 90 | 647.2 | 110 | 1 128 | 130 | 1 890 | 140 | 2 763 |
70 | 205 | 80 | 287.8 | 90 | 370.4 | 100 | 539.3 | 100 | 693.9 | 120 | 1 196 | 140 | 1 983 | 150 | 2 885 |
80 | 225.5 | 90 | 313 | 100 | 399.9 | 110 | 577.4 | 110 | 740.6 | 130 | 1 263 | 150 | 2 076 | 160 | 3 007 |
90 | 246 | 100 | 338.2 | 110 | 429.4 | 120 | 615.6 | 120 | 787.3 | 140 | 1 331 | 160 | 2 169 | 180 | 3 251 |
100 | 266.4 | 110 | 363.4 | 120 | 458.9 | 130 | 653.7 | 130 | 834 | 150 | 1 399 | 180 | 2 355 | 200 | 3 494 |
110 | 286.9 | 120 | 388.6 | 130 | 488.4 | 140 | 691.8 | 140 | 880.7 | 160 | 1 467 | 200 | 2 540 | 220 | 3 738 |
120 | 307.4 | 130 | 413.8 | 140 | 517.9 | 150 | 729.9 | 150 | 927.4 | 180 | 1 603 | 220 | 2 726 | 240 | 3 982 |
130 | 327.9 | 140 | 439 | 150 | 547.4 | 160 | 768 | 160 | 974.1 | 200 | 1 738 | 240 | 2 912 | 260 | 4 226 |
140 | 348.3 | 150 | 464.2 | 160 | 576.9 | 180 | 844.2 | 180 | 1 068 | 220 | 1 874 | 260 | 3 098 | 280 | 4 470 |
150 | 368.8 | 160 | 489.4 | 180 | 635.9 | 200 | 920.5 | 200 | 1 161 | 240 | 2 010 | 280 | 3 284 | 300 | 4 713 |
160 | 389.3 | 180 | 539.8 | 200 | 694.9 | 220 | 996.7 | 220 | 1 254 | 260 | 2 145 | 300 | 3 470 | ||
180 | 430.3 | 200 | 590.2 | 220 | 753.9 | 240 | 1073 | 240 | 1 348 | 280 | 2 281 | ||||
200 | 471.2 | 220 | 640.6 | 240 | 812.9 | 260 | 1149 | 260 | 1 441 | 300 | 2 416 | ||||
280 | 1 535 | ||||||||||||||
300 | 1 628 |
注:表列规格为通用规格。尽可能不采用括号内的规格。