ATO Depreciation Rates 2023

Table A
NameEffective LifeDiminishing Value RatePrime Cost RateDate of Application
MANUFACTURING:
Iron smelting and steel manufacturing:
Basic oxygen steelmaking (BOS) and electric arc furnace (EAF) steel making assets:
BOS vessels (incorporating motors, gearboxes, bull gear, vessel, torsion bar, lube pumps, pulse generators, tacho generators, brakes, limit switches, pressure switches and support structures)10 years20.00%10.00%1 Jul 2010
Desulphurising lances (incorporating masts, winch control boxes, hydraulic cylinders carriage system, motors, gearboxes, brake lance carriages, lance guides, lances and switches)10 years20.00%10.00%1 Jul 2010
Electric arc furnaces (EAFs)10 years20.00%10.00%1 Jul 2010
Electrode control arms10 years20.00%10.00%1 Jul 2010
Emissions control assets:
Baghouses20 years10.00%5.00%1 Jul 2010
De-dusting ducts and mains15 years13.33%6.67%1 Jul 2010
Electrostatic precipitators15 years13.33%6.67%1 Jul 2010
Primary and secondary scrubbers (incorporating support structure and spray systems)20 years10.00%5.00%1 Jul 2010
Waste gas radiation cooling systems (incorporating water sprays and ducts)20 years10.00%5.00%1 Jul 2010
Waste gas extractor fans and silencers20 years10.00%5.00%1 Jul 2010
Flux making assets:
Kiln contact coolers (including agitator, agitator hydraulic system and rotary valves)15 years13.33%6.67%1 Jul 2010
Kiln burner units (incorporating gas and firing systems)15 years13.33%6.67%1 Jul 2010
Lime kiln discharge conveyors (incorporating structures, belts, pulleys, motors and gearboxes)15 years13.33%6.67%1 Jul 2010
Lime kilns (incorporating rollers, tyres, support structures, drives, motors and gearboxes)25 years8.00%4.00%1 Jul 2010
Raw material crushers and ball mills15 years13.33%6.67%1 Jul 2010
Grinders (incorporating motors, drive pullies and belts, drive shafts, roller crusher units and whizzer separators)15 years13.33%6.67%1 Jul 2010
Heat shielding for vessels incorporating supports30 years6.67%3.33%1 Jul 2010
Hot metal pots20 years10.00%5.00%1 Jul 2010
Lance pumps and motor assemblies15 years13.33%6.67%1 Jul 2010
Liquid oxygen lances (incorporating carriage system, motors, gearboxes, brake lance carriages, lance guides, lances and switches)10 years20.00%10.00%1 Jul 2010
Liquid oxygen supply pipes10 years20.00%10.00%1 Jul 2010
Materials handling assets:
Air blowers15 years13.33%6.67%1 Jul 2010
Bins20 years10.00%5.00%1 Jul 2010
Bucket elevators20 years10.00%5.00%1 Jul 2010
Conveyor systems (incorporating structures, belts, gearboxes and motors)20 years10.00%5.00%1 Jul 2010
Cyclones10 years20.00%10.00%1 Jul 2010
Hoppers, weigh hoppers, chutes, silos20 years10.00%5.00%1 Jul 2010
Scrap metal buckets, skips and stands20 years10.00%5.00%1 Jul 2010
Screens and weighing systems15 years13.33%6.67%1 Jul 2010
Vibro feeders15 years13.33%6.67%1 Jul 2010
Vibrators15 years13.33%6.67%1 Jul 2010
Weighbridges (incorporating load cells)20 years10.00%5.00%1 Jul 2010
Pneumatic air tube systems (incorporating blower units)20 years10.00%5.00%1 Jul 2010
Scull breakers10 years20.00%10.00%1 Jul 2010
Secondary treatment assets:
Composition adjustment stations (including Injection Reheating Up Temperature (IRUT) stations incorporating snorkels, support structures and motors)20 years10.00%5.00%1 Jul 2010
Ladle metallurgical furnaces (LMFs)20 years10.00%5.00%1 Jul 2010
Vacuum degassers (incorporating steam pumps and vacuum pumps)10 years20.00%10.00%1 Jul 2010
Slag rakes10 years20.00%10.00%1 Jul 2010
Steel ladles (incorporating tilting bales, thrusters, cassettes, shells, lids and linings)20 years10.00%5.00%1 Jul 2010
Sub or sampling lances (incorporating motors, drives, gearboxes, limit switches, over speed switches, drums, cables and slow motors)10 years20.00%10.00%1 Jul 2010
Water treatment assets:
Cooling towers (incorporating fans, motors, access platforms and stairs)20 years10.00%5.00%1 Jul 2010
Heat exchangers10 years20.00%10.00%1 Jul 2010
Launder distribution and collection systems15 years13.33%6.67%1 Jul 2010
Pipes and pipelines:
Slurry disposal pipelines15 years13.33%6.67%1 Jul 2010
Water pipes20 years10.00%5.00%1 Jul 2010
Valves and other non-pipe fittings10 years20.00%10.00%1 Jul 2010
Pumps (including slurry disposal pumps)15 years13.33%6.67%1 Jul 2010
Settling ponds30 years6.67%3.33%1 Jul 2010
Tanks:
Conditioner, slurry, polymer, liquid flocculants and mixer tanks20 years10.00%5.00%1 Jul 2010
Water tanks25 years8.00%4.00%1 Jul 2010
Thickeners and clarifiers (incorporating tanks, rakes and access platforms)30 years6.67%3.33%1 Jul 2010

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Source: TR 2022/1