Do you have any width 20 cm wide? What's the model number and how much is it?
20Cm high hot-rolled ordinary channel, there is no width of 20cm, but can do cold bending.
Channel steel at present market price of about 4580 yuan per ton, you can calculate the price of channel per meter.If the width of the leg was 200, there would be no such model. The largest standard type of channel steel is 40C, height 400, leg width 104, waist thickness 14.5.
Height of 20 points, two models: 20 channel, height 200, leg width 73, waist thickness of 7, theoretical weight of 22.637 kg per meter; 20a, channel steel, height 200, leg width 75, waist thickness 9, theoretical weight of 25.777 kg.
Channel steel has three sizes: height, leg width and waist thickness.
This is not to 3000 tons to calculate, the height of this material does not contain a complete set of handrails should be around 6000 you need to add my penguin
