Steel Angle Weight Calculator Project Checklist

Introduction

Most angle-order problems are preventable at the desk, in the ten minutes before the purchase order goes out. This checklist is that ten minutes, structured: every box you tick eliminates one of the failure modes documented across this guide cluster — wrong designations, unit slips, net-vs-gross confusion, missing specs, and freight surprises. Work it in order; each section builds on the one before.

Run your numbers through the Steel Angle Weight Calculator first, then walk this list top to bottom before you send the PO. Print it, laminate it, keep it where orders get written.

Designation and Dimensions

• ☐ Every line item reads leg × leg × thickness, in that order — thickness is last and smallest.
• ☐ Equal-leg vs. unequal-leg correctly identified for every size (first two numbers match = equal).
• ☐ Units are consistent: imperial designations in inches, metric in millimeters — no mixing within a line item.
• ☐ Piece lengths are in the same unit as the calculator/quote fields (feet vs. meters confirmed).
• ☐ The per-foot weight for each size sanity-checks against the complete guide’s standard sizes table.

Takeoff Arithmetic

• ☐ Piece list is complete: every piece from the drawings/plan appears with length and quantity.
• ☐ Extended lengths are summed by designation — subtotals verified, not just a grand total.
• ☐ Waste allowance applied per size (5–15% by cut complexity) and noted with its reason.
• ☐ Rounded up to whole 20-ft (or 40-ft) sticks per size — never down.
• ☐ Weights computed: lb/ft × purchasable length per size; order total in lb and short tons.
• ☐ Imperial and metric results cross-checked and agree (÷ 2.20462 for lb→kg). The dual-check method is demonstrated in the formula-explained guide.
• ☐ For final PO quantities, weights verified against published mill/ASTM A6 tables, not just the thin-wall formula.

Specification Block

• ☐ Grade stated on the PO (typically ASTM A36 for structural carbon steel).
• ☐ Finish stated: black (mill), hot-dip galvanized, or painted/primed — decided, not assumed.
• ☐ MTR/traceability requirement confirmed with the project (required for structural/permitted work) and stated on the PO. See the material guide for why this can’t wait.
• ☐ Cut list attached if ordering cut-to-length: piece lengths, quantities, and tolerance noted.
• ☐ Any substitutions vs. the drawings have the engineer’s written approval — “one size up” is not your call on structural work.

Cost and Quote Verification

• ☐ At least two suppliers quoted on the identical package (sizes, lengths, grade, finish, cuts, delivery address).
• ☐ Every quote breaks out material, cutting, and freight separately — no bundled “delivered” lump sums without backup.
• ☐ The “ton” in each $/ton quote confirmed: short ton (2,000 lb) vs. metric tonne.
• ☐ Quote material lines reconcile against your own weight math: tons × $/ton ≈ material line. Unexplained gaps get questioned before ordering, per the cost guide.
• ☐ Galvanizing/painting lead time and cost confirmed if applicable — coating is a schedule item, not just a cost item.

Freight and Handling

• ☐ Freight quoted on gross estimated weight (steel + packaging/banding/dunnage), with LTL minimums checked.
• ☐ Heaviest single stick computed; lifting plan set (hand carry under ~50 lb/piece, crew or equipment above).
• ☐ Delivery access confirmed: truck size vs. site access, forklift or crane availability, offload crew scheduled.
• ☐ Bundle instructions on the order if needed: nested, banded, dunnage between layers.
• ☐ Total order weight checked against truck payload limits for the planned vehicle.

Delivery and Documentation

• ☐ Delivery ticket reconciled against the PO: sizes, piece counts, lengths.
• ☐ Heat stamps / size markings photographed on arrival; markings match the ordered sizes.
• ☐ MTRs received and filed with heat numbers traceable to the delivered steel (where required).
• ☐ Takeoff, PO, quote, MTRs, and delivery ticket filed together as the job’s paper trail.
• ☐ Any shortages, damage, or wrong sizes reported to the supplier immediately — same day, with photos.

After the Order: Close the Loop

The order isn’t finished when the steel arrives — closing it out properly pays dividends on the next job:

• ☐ Actual cut yield recorded: how many usable pieces each stick produced vs. the plan, so the next waste allowance is based on data, not habit.
• ☐ Leftover stock inventoried: offcuts worth keeping are labeled with size and length and stored accessibly; the rest is scrapped or recycled rather than becoming mystery steel.
• ☐ Final costs logged against the estimate: material, cutting, freight actuals vs. the budget, with variances noted and explained.
• ☐ Supplier performance noted: on-time delivery, correct sizes, MTR completeness, damage handling — this record drives who gets the next quote request.
• ☐ The per-foot weights for the sizes used added to your personal quick-reference table so the next takeoff starts faster.
• ☐ Any design or spec issues fed back to the engineer or project file: wrong-size callouts, nesting problems, finish issues — captured while fresh.

Estimators who close the loop get measurably better with every job: waste factors converge on reality, freight quotes get sharper, and the supplier shortlist earns its keep. The estimator who files nothing starts every job from zero — and repeats the same expensive lessons the checklist was written to prevent.

Each of these boxes maps to a real failure documented in the common mistakes guide — the checklist is the prevention; that guide is the pathology.

Related Guides

• Steel Angle Estimating Guide — build the takeoff this checklist verifies.
• Common Mistakes — what each checkbox prevents.
• Steel Angle Cost Guide — the quote verification behind the cost boxes.
• Pro Tips — the habits that make the checklist second nature.
• Steel Angle Weight FAQ — quick answers to the most asked questions.

Get Your Number

The checklist is only as good as the numbers fed into it — run every size and length through the Steel Angle Weight Calculator, tick every box, then send the PO with confidence. Ten careful minutes at the desk beats ten expensive days fixing a bad order.

Disclaimer: Calculator results are planning estimates based on the dimensions you enter. Actual weights vary with mill tolerances, coatings, and material specifications. Verify weights against published mill/ASTM tables and your supplier, and consult a licensed professional or your local building authority for structural or code-related decisions.