Model Number: 100*68Mm*4.5MM-630*178MM*15.0-#4788 Key Specifications/Special Features: Hot rolled steel I-beamare widely used in the construction industry and are available in a variety of standard sizesI-beam can also be used in mine road support. In order to avoid or minimize the chance of mine roadway collapsing, mine support products are necessary. And with the I-beam support, it can obviously improve the level of safety in the tunnel. The steel I-beam can be used under multiple conditions, fractured road or road with gravel, clay, silt.Use the I-beam accessories accordingly, you can get the most safe work environment in the tunnel under many circumstances ProductsSteel I beamsUsagestructure construction and electronic tower building Size 100*68*11.261kg/m -- 630*180*141.189kg/m Length 6m/12m, or cut by customer's requirements Technique Cold Drawn/Cold Rolled/Hot Rolled/forge-Can be processed again repeatedly. Inspection Third party inspection service can be offered Standard GB Grade GB9787-88 Q235B