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Blunting Effect Boring Carving Common Names Common Uses Countries of Distribution Cutting Resistance Distribution Overview Drying Defects Ease of Drying Environmental Profile Family Name Gluing Grain Heartwood Color Kiln Schedules Luster Mortising Moulding Movement in Service Nailing Natural Durability Numerical Data Odor Planing Polishing References Regions of Distribution Resistance to Impregnation Response to Hand Tools Routing & Recessing Sanding Sapwood Color Scientific Name Screwing Staining Steam Bending Texture Trade Name Tree Size Turning Varnishing Veneering Qualities		Scientific Name Flindersia australis Trade Name Crows ash Family Name Rutaceae Common Names Australian maple, Crows ash, Flindersia, Flindosy, New guinea silkwood, Queensland maple, Silkwood, Silkwood maple Regions of Distribution Oceania and S.E. Asia Countries of Distribution  [VIEW MAP] Australia, Papua New Guinea Common Uses Bedroom suites, Building materials, Cabinetmaking, Chairs, Chests, Decorative veneer, Desks, Dining-room furniture, Drawer sides, Drum sticks, Excelsior, Figured veneer, Fine furniture, Furniture , Gunstocks, Interior construction, Joinery, Kitchen cabinets, Living-room suites, Musical instruments , Office furniture, Organ pipes, Paneling , Piano keys, Pianos , Radio - stereo - TV cabinets, Rifle stock, Sounding boards, Veneer, Violin bows, Violin, Wainscotting, Wardrobes, Xylophones Environmental Profile Abundant/Secure Rare Status has not been officially assessed Distribution Overview In Australia, from Nymboida River, NSW to Mackay, Queensland. Heartwood Color Brown Green/grey Yellow Black Orange Pale red to pink Brown Sapwood Color White Yellow Brown Red Green/Grey Sapwood is considered narrow Grayish white Grain Closed Wavy Interlocked Wavy Interlocked Curly May produce a wide range of figures. Texture Coarse He wood has a medium and uniform texture Luster Low Silky luster Natural Durability Non-durable Perishable Non-resistant to powder post beetles Sapwood non-resistant to furniture beetles Susceptible to insect attack Very little natural resistance Should not be exposed to conditions that promote decay without adequate and proper protection Odor Slightly scented Kiln Schedules T3-C2(4/4) US T3-C1-(8/4) US Drying Defects Splitting Distortion Extension of Existing Shakes Ring Shakes Slight twist/warp Expect slight collapse and honeycombing Ease of Drying Fairly Easy Reconditioning Treatement Satisfactorily with little degrade Radial and tangential shrinkage from 4-7% Radial and tangential shrinkage from 1-2% Tree Size Tree height is 10-20 m Tree height is 20-30 m Blunting Effect Moderate Boring Fair to good results Fairly easy to very easy Oring characteristics are rated as very good Carving Arving characteristics are good Cutting Resistance Sawing properties are good Gluing Fairly Easy to Very Easy Fair to Good Results Fairly Difficult to Very Difficult Glues well Mortising Fairly Difficult to Very Difficult Poor to Very Poor Results Good mortising properties Moulding Material responds well to moulding operations Movement in Service Excellent Stability - Small Movement Fair to Good Stability - Medium Movement Nailing Pre-Boring Recommended Very Good to Excellent Results Fair to Good Results Good nailing properties Planing Fair to Good Results Fairly Easy to Very Easy Torn grain is common machining defect Easy to plane Resistance to Impregnation Permeable heartwood Resistant heartwood Permeable sapwood Resistant sapwood Response to Hand Tools Easy to Work Responds well to hand tools Easy to machine Routing & Recessing Routing is easy Sanding Fairly Difficult to Very Difficult Contains alkaloids giving it good acid resistance Screwing Pre-boring recommended Turning Fairly Difficult to Very Difficult Fair to Good Results Very good Veneering Qualities Veneers moderately easy Veneers easily No drying degrade Suitable for peeling Steam Bending Very Good to Excellent Results Fair to Good Results Fairly Easy to Very Easy Polishing Fair to Good Results Good results Staining Fair to Good Results Fairly Easy to Very Easy Very Good to Excellent Results Varnishing Very Good to Excellent Results Fairly Easy to Very Easy Numerical Data Item Green Dry English Bending Strength 15582 19502 psi Crushing Strength 1348 1882 psi Density 34 lbs/ft3 Hardness 2092 lbs Maximum Crushing Strength 7713 10388 psi Shearing Strength 1313 psi Static Bending 9722 12838 psi Stiffness 2225 2401 1000 psi Toughness 195 inch-lbs Specific Gravity 0.41 Weight 33 27. lbs/ft3 Item Green Dry Metric Bending Strength 1095 1371 kg/cm2 Crushing Strength 94 132 kg/cm2 Density 544 kg/m3 Hardness 948 kg Maximum Crushing Strength 542 730 kg/cm2 Shearing Strength 92 kg/cm2 Static Bending 683 902 kg/cm2 Stiffness 156 168 1000 kg/cm2 Toughness 224 cm-kg Specific Gravity 0.41 References Bolza, E. and N.H. Kloot. 1963. The Mechanical Properties of 174 Australian Timbers. Division of Forest Products Technological Paper No. 25. Commonwealth Scientific and Industrial Research Organization, Melbourne, Australia. Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison. Wallis, N.K. 1956. Australian Timber Handbook. Sponsored by The Timber Development Association of Australia. Angus & Robertson, Ltd., 89 Castlereagh Street, Sydney, Australia.