DUDLEY DIX YACHT DESIGN


Cargo 50

Multi-chine steel cargo cruiser

LIST OF MATERIALS FOR STEEL HULL & DECK

The following list of materials is approximate and intended only for calculation of approximate costs. It is not intended to be used for the ordering of materials for construction.

Lengths and areas are based on the actual amounts to be used in the vessel without any allowance for wastage in cutting to size and shape as required. Wastage on flat bars, tubes etc will be minimal whereas that on plate will be dependent on the skill of the builder and will be in the range of 5% to 20%.
3mm [1/8"] Plate - 121sq.m [1303sq.ft] - Bulkheads, decks, cabin sides, tanks, rudder
5mm [3/16"] Plate - 121sq.m [1303sq.ft] - Hull skin, transom
7mm [9/32"] Plate - 15sq.m [162sq.ft] - Floors, engine beds, mast supports
12mm [1/2"] Plate - 2sq.m [22sq.ft] - Bow plate
16mm Plate [5/8"] - 0.3sq.m [4sq.ft] - Chainplates
20mm Plate [3/4"] - 2sq.m [22sq.ft] - Keel and skeg soles
20x6mm [3/4x1/4"] Flat bar - 81m [266'] - Stringer stiffeners, bulkhead trims
30x6mm [1 1/4x1/4"] Flat bar - 188m [617'] - Deck & superstructure stringers, tank top stiffeners
50x6mm [2x1/4"] Flat bar - 255m [837'] - Hull stringers, cargo hatch coaming stiffeners
80x6mm [3 1/4x1/4"] Flat bar - 37m [122'] - Deck Beams
100x6mm [4x1/4"] Flat bar - 2m [7'] - Bow plate stiffener
50x7mm [2x9/32"] Flat bar - 43m [145'] - Flanges to frames & floors
125x7mm [5x9/32"] Flat bar - 44m [837'] - Frames
100x10mm [4x3/8"] Flat bar - 3m [10'] - Engine bearers
65x16mm [2 1/2x5/8"] Flat bar - 3m [10'] - Chainplates
40x40x5mm [1 1/2x1 1/2x3/16"] Angle - 118m [388'] - Bulkhead & cabin stiffeners
80x60x6mm [3 1/4x2 1/2x1/4"] Angle - 24m [79'] - Beams
50mm OD x5mm wall [2x3/16"] pipe - 8m [27'] - Posts
100mm OD x6mm wall [3 1/2" Sched 40] pipe - 10m [33'] - Rudder, keel, skeg, stern tube, mast post
140mm OD x6mm wall [5" Sched 40] pipe - 0.3m [1'] - Rudder port
90mm [3.54"] Dia 316 S/S round bar - 0.4m [2'] - Rudder shaft
4.5mm [3/16"] Aluminum grade 5086 plate - 10sq.m [108sq.ft] - Cargo hatch covers
50x50x6mm [2x2x1/4"] Aluminum grade 5083 angle - 22m [73'] - Cargo hatch cover framing

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This page was updated 4 June 2003

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