1.5
0.826 0.941 1.05 0.867 1.061 1.215 1.363 1.296 1.49 1.677 2.032 2.361 1.767 2.039 2.305 2.817 3.303 4.198 2.238 2.589 2.933 3.602 4.245 5.454 3.56 4.387
1.052 1.199 1.34 1.105 1.352 1.548 1.736 1.652 1.898 2.136 2.589 3.008 2.525 2.598 2.936 3.589 4.208 5.347 2.852 3.298 3.736 4.589 5.408 6.974 4.54 5.589
0.583 0.642 0.692 1.025 1.216 1.357 1.482 2.195 2.47 2.721 3.154 3.5 5.489 6.237 6.939 8.213 9.32 11.064 11.065 12.641 14.146 16.941 19.463 23.725 25.12 30.34
0.744 0.732 0.72 0.963 0.948 0.936 0.923 1.152 1.14 1.128 1.103 1.078 1.561 1.549 1.537 1.512 1.488 1.438 1.969 1.957 1.945 1.921 1.897 1.847 2.35 2.329
0.583 0.642 0.692 0.82 0.973 1.086 1.186 1.463 1.646 1.814 2.102 2.333 2.744 3.118 3.469 4.106 4.66 5.532 4.426 5.056 5.658 6.776 7.785 9.49 8.38 10.113
0.985 1.106 1.215 1.655 1.998 2.261 2.502 3.555 4.048 4.511 5.347 6.06 8.728 10.00911.23813.53915.62819.15217.39520.02522.57827.43631.97240.04739.81 48.539
0.88 0.98 1.06 1.24 1.47 1.65 1.8 2.21 2.49 2075 3.2 3.58 4.13 4.69 5.23 6.21 7.07 8.48 6.65 7.6 8.51 10.22 11.77 14.43 12.6 15.22
定尺精度级
别 普通级别精确级别精确级别— t≤3 3＜t≤6 6＜t≤10t＞10
碳素钢低合金钢
(σs≤320MPa)(σs≥320MPa)
FGXR
1.0～2.5t 1.5～2.5t 2.0～3.0t 2.0～3.5t
长度范围/mm4000～120004000～6000＞6000～12000
允许偏差/mm (+70,0) (+5,0) (+10,0) 1.5～2.5t 2.0～3.0t 2.0～3.5t 2.5～4.0t
25
±0.50
1.752 1.2 1.5
30
±0.50
1.752 1.5 1.75
40
±0.50
2 2.5 3 1.5 1.752
50
±0.50
2.5 3 4 1.5 1.752
60
±0.60
2.5 3 4 2
2.5