تقدير الوزن الكلي للحديد للمشتريات
List each line: section, size, kg/m, length, quantity. Line weight = kg/m × L × qty. Sum lines for total tonnes; add waste factor (often 3–8%) per project.
الكاتب: Iron Metal Editorial — Steel sections specialist
Procurement roll-up
- Export or list sizes. From BOM or takeoff — one row per distinct size/length.
- Attach kg/m. From catalog or calculator for each line.
- Calculate line kg. kg/m × length × quantity per line.
- Sum and add waste. Total tonnes = sum × (1 + waste%); round to supplier MOQ.
Mini BOQ
IPE200 22.4×6m×10 = 1344 kg; L50×5 3.8×12m×20 = 912 kg → 2.26 t before waste.
الأسئلة الشائعة
Theoretical vs weighed PO? State which basis you pay on — see theoretical vs actual guide.
Waste factor? Depends on nesting and cuts; structural often 3–5%, rebar higher.