精品文献
电气镀锌钢管国标
镀锌钢管国标厚度
1 DN150 4.5 7.11 0.88875 6.22125 6 0.75 5.25 10.97 1.37125 9.59875 2 DN100 4 6.02 0.7525 5.2675 5 0.625 4.375 8.56 1.07 7.49 3 DN80 4 5.49 0.68625 4.80375 5 0.625 4.375 7.62 0.9525 6.6675 4 DN65 4 5.16 0.645 4.515 4.5 0.5625 3.9375 7.01 0.87625 6.13375 5 DN50 3.8 3.91 0.48875 3.42125 4.5 0.5625 3.9375 5.54 0.6925 4.8475 6 DN40 3.5 3.68 0.46 3.22 4.5 0.5625 3.9375 5.08 0.635 4.445 7 DN32 3.5 3.56 0
