There are various structural forms of steel structure workshops, including about 250 shed structures, about 600 light steel structure workshops, and about 750~ 1000/m2 for advanced workshops with a height of 9 meters to 12 meters.
1. When the general customers quote, they add up to a loss of 5%. Xsteel is used for drawing, and there is a special software for nesting. When buying materials, plates account for at most 3%, and profiles account for 1%, and there are few problems.
2. The actual material consumption of the workshop can be completely controlled below 3%.
3. If you meet an insider, report it to 5%; If not, quote 8%.
4. Heavy steel, 8% for complex structures.
5. It is clearly stipulated in the steel structure construction manual that the angle steel below 75*75 is 2.2%, 80*80~ 100* 100 is 3.5%,120 *150 * 650. I-beam below 14a is 3.2%, below 24a is 4.5%, below 36a is 5.3%, below 60a is 6%, with an average of 4.75%; Channel steel 14a is below 3.0%, below 24a is below 4.2%, below 36a is below 4.8%, below 40a is below 5.2%, with an average of 4.3%; According to the thickness of steel plate, 1~5mm is 2.0%, 6~ 12mm is 4.5%, 13~25mm is 6.5%, and 26~60mm is 1 1%, with an average of 6%.
6. In the contract, the loss must be clearly defined to prevent future trouble.
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