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1、公、英制對(duì)照表、緊固件常用尺寸規(guī)格規(guī)格英寸毫米規(guī)格英寸毫米No.00000.02100.53341/40.25006.3500No.0000.03400.86365/160.31257.9375No.000.04701.19383/80.37509.5250No.00.06001.52407/160.437511.1125No.10.07301.85421/20.500012.7000No.20.08602.18449/160.562514.2875No.30.09902.51465/80.625015

2、.8750No.40.11202.84483/40.750019.0500No.50.12503.17507/80.87522.2250No.60.13803.505211.000025.4000No.70.15103.83541-1/81.125028.5750No.80.16404.15661-1/41.250031.7500No.90.17704.49581-3/81.375034.9250No.100.19004.82601-1/21.500038.1000No.120.21605.48641-

3、5/81.625041.2750No.140.24206.14681-3/41.750044.4500No.160.26806.80721-7/81.875047.6250No.180.29407.467622.000050.8000No.200.32008.1280???No.240.37209.4488???常用金屬材料重量計(jì)算公式（每千只重量）　園鋼重量（公斤）=0.00617×直徑×直徑×長(zhǎng)度　方鋼重量（公斤）=0.00785×邊寬×邊寬×長(zhǎng)度　六角鋼重量（公斤）=0.0068×對(duì)邊寬×對(duì)邊寬×

4、長(zhǎng)度　八角鋼重量（公斤）=0.0065×對(duì)邊寬×對(duì)邊寬×長(zhǎng)度　螺紋鋼重量（公斤）=0.00617×計(jì)算直徑×計(jì)算直徑×長(zhǎng)度　角鋼重量（公斤）=0.00785×（邊寬+邊寬-邊厚）×邊厚×長(zhǎng)度　扁鋼重量（公斤）=0.00785×厚度×邊寬×長(zhǎng)度　鋼管重量（公斤）=0.02466×壁厚×（外徑-壁厚）×長(zhǎng)度　鋼板重量（公斤）=7.85×厚度×面積　園紫銅棒重量（公斤）=0.00698×直徑×直徑×長(zhǎng)度　園黃銅棒重量（公斤）=0.00668×直徑×直徑×長(zhǎng)度　園鋁棒重量（公斤）=0.0022×直徑×直徑×長(zhǎng)度

5、　方紫銅棒重量（公斤）=0.0089×邊寬×邊寬×長(zhǎng)度　方黃銅棒重量（公斤）=0.0085×邊寬×邊寬×長(zhǎng)度　方鋁棒重量（公斤）=0.0028×邊寬×邊寬×長(zhǎng)度　六角紫銅棒重量（公斤）=0.0077×對(duì)邊寬×對(duì)邊寬×長(zhǎng)度　六角黃銅棒重量（公斤）=0.00736×邊寬×對(duì)邊寬×長(zhǎng)度　六角鋁棒重量（公斤）=0.00242×對(duì)邊寬×對(duì)邊寬×長(zhǎng)度　紫銅板重量（公斤）=0.0089×厚×寬×長(zhǎng)度　黃銅板重量（公斤）=0.0085×厚×寬×長(zhǎng)度　鋁板重量（公斤）=0.00171×厚×寬×長(zhǎng)度　園紫銅管重量（公斤）=

6、0.028×壁厚×（外徑-壁厚）×長(zhǎng)度　園黃銅管重量（公斤）=0.0267×壁厚×（外徑-壁厚）×長(zhǎng)度　園鋁管重量（公斤）=0.00879×壁厚×（外徑-壁厚）×長(zhǎng)度?　　　注：公式中長(zhǎng)度單位為米，面積單位為平方米，其余單位均為毫