984HP1437554931Years ago 170
Some applications of I-beam:Heating surface tubes for low and medium pressure boilers (working press...
984HP1437554931Years ago 188
Under the action of thermal stress because the initial temperature of the surface layer is lower tha...
984HP1437554932Years ago 301
Patented manufacturing process of I-beam: I-beam has become a new industrial standard for wear-resis...
984HP1437554932Years ago 314
Whether I-section steel is ordinary or light, because the section size is relatively high and narrow...
