直徑或邊長/mm 理論質量/(kg/m) 直徑或邊長/mm 理論質量/(kg/m) 直徑或邊長/mm 理論質量/(kg/m) 圓鋼 方鋼 圓鋼 方鋼 圓鋼 方鋼 50 15.4 19.6 105 68.0 86.5 170 178 227 55 18.6 23.7 110 74.6 95.0 180 200 254 60 22.2 28.3 115 81.5 104 190 223 283 65 26.O 33.2 120 88.8 113 200 247 314 70 30.2 38.5 125 96.3 123 210 272 346 75 34.7 44.2 130 104 133 220 298 380 B0 39.5 50.2 135 112 143 230 326 415 85 44.5 56.7 140 121 154 240 355 452 90 49.9 63.6 145 130 165 250 385 491 95 55.6 70.8 150 139 177 100 61.7 78.5 160 158 20l
直徑或邊長/mm | 理論質量/(kg/m) | 直徑或邊長/mm | 理論質量/(kg/m) | 直徑或邊長/mm | 理論質量/(kg/m) | |||
圓鋼 | 方鋼 | 圓鋼 | 方鋼 | 圓鋼 | 方鋼 | |||
50 | 15.4 | 19.6 | 105 | 68.0 | 86.5 | 170 | 178 | 227 |
55 | 18.6 | 23.7 | 110 | 74.6 | 95.0 | 180 | 200 | 254 |
60 | 22.2 | 28.3 | 115 | 81.5 | 104 | 190 | 223 | 283 |
65 | 26.O | 33.2 | 120 | 88.8 | 113 | 200 | 247 | 314 |
70 | 30.2 | 38.5 | 125 | 96.3 | 123 | 210 | 272 | 346 |
75 | 34.7 | 44.2 | 130 | 104 | 133 | 220 | 298 | 380 |
B0 | 39.5 | 50.2 | 135 | 112 | 143 | 230 | 326 | 415 |
85 | 44.5 | 56.7 | 140 | 121 | 154 | 240 | 355 | 452 |
90 | 49.9 | 63.6 | 145 | 130 | 165 | 250 | 385 | 491 |
95 | 55.6 | 70.8 | 150 | 139 | 177 | |||
100 | 61.7 | 78.5 | 160 | 158 | 20l |
直徑或邊長 | 精度組別 | |
l組 | 2組 | |
50~60 | +1.5 —1.0 | +2.0 —1.0 |
>60~B0 | +2.0 —1.0 | +2.5 —1.0 |
>80~100 | +2.5 一1.0 | +3.O —1.0 |
>100~120 | +2.5 —1.5 | +3.0 —1.5 |
>120~140 | +3.0 —1.5 | +3.5 —1.5 |
>140~160 | +3.0 —2.0 | +4.0 —2.0 |
>160~180 | +4.0 —2.0 | +5.0 —2.0 |
>180~200 | +5.0 一2.0 | +6.0 —2.0 |
>200~220 | +5.0 —3.0 | +6.0 —3.0 |
>220~240 | +6.0 —3.0 | +7.0 —3.0 |
>240~250 | +7.0 —3.0 | +8.0 —3.0 |