347不銹鋼棒
熱軋棒規(guī)格型號參照表 models and specifications table of hot-rolled bar
W=0.00793×b×d
單位重量：kg/m 定尺長度：2-6m 熱軋、鍛造
unit weight:kg/m rated length:2-6m hot rolled,forging
直徑mm |
重量kg/m |
直徑mm |
重量kg/m |
直徑mm |
重量kg/m |
直徑mm |
重量kg/m |
直徑mm |
重量kg/m |
∮8 |
0.399 |
∮32 |
6.380 |
∮80 |
38.872 |
∮145 |
130.986 |
∮230 |
329.567 |
∮10 |
0.623 |
∮35 |
7.632 |
∮85 |
45.012 |
∮150 |
140.175 |
∮240 |
358.848 |
∮12 |
0.897 |
∮38 |
8.996 |
∮90 |
50.463 |
∮155 |
149.676 |
∮250 |
389.375 |
∮14 |
1.221 |
∮40 |
9.968 |
∮95 |
56.226 |
∮160 |
159.488 |
∮260 |
421.148 |
∮15 |
1.402 |
∮42 |
10.99 |
∮100 |
62.3 |
∮165 |
169.612 |
∮270 |
454.167 |
∮16 |
1.595 |
∮45 |
12.616 |
∮105 |
68.686 |
∮170 |
180.047 |
∮280 |
488.432 |
∮18 |
2.019 |
∮48 |
14.354 |
∮110 |
75.383 |
∮180 |
201.852 |
∮300 |
／ |
∮20 |
2.492 |
∮50 |
15.575 |
∮115 |
82.392 |
∮185 |
215.626 |
∮350 |
／ |
∮22 |
3.015 |
∮55 |
18.846 |
∮120 |
89.712 |
∮190 |
224.903 |
∮400 |
／ |
∮24 |
3.588 |
∮60 |
22.428 |
∮125 |
97.344 |
∮195 |
236.896 |
／ |
／ |
∮25 |
3.894 |
∮65 |
26.322 |
∮130 |
105.287 |
∮200 |
249.2 |
／ |
／ |
∮28 |
4.884 |
∮70 |
30.527 |
∮135 |
113.542 |
∮210 |
274.743 |
／ |
／ |
∮30 |
5.607 |
∮75 |
35.044 |
∮140 |
122.108 |
∮220 |
301.532 |
／ |
／ |
熱軋圓棒尺寸、外形允許偏差（GB/T702-1986）Allowable tolerance of dimension and shape of hot rolled round stick
圓鋼 |
允許偏差 |
||
精度組別 |
|||
1組 |
2組 |
3組 |
|
5.5-7 |
±0.20 |
±0.30 |
±0.40 |
＞7-20 |
±0.25 |
±0.35 |
±0.40 |
＞20-30 |
±0.30 |
±0.40 |
±0.50 |
＞30-50 |
±0.40 |
±0.50 |
±0.60 |
＞50-80 |
±0.60 |
±0.70 |
±0.80 |
＞80-110 |
±0.90 |
±1.0 |
±1.1 |
＞110-150 |
±1.2 |
±1.3 |
±1.1 |
鍛制圓棒和方鋼尺寸、外形允許偏差（GB/T908-1987）Allowable tolerance of dimension and shape of forging round stick and rectangle steel
單位：mm
圓鋼直徑、方鋼邊長 |
允許偏差 |
|
精度組別 |
||
1組 |
2組 |
|
＞50-60 |
＋1.5 －1.0 |
＋2.0 －1.0 |
＞60-80 |
＋2.0 －1.0 |
＋2.5 －1.0 |
＞80-100 |
＋2.5 －1.0 |
＋3.0 －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 －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 |
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