Astm and ista tests two of the most common drop tests standards provide different guidelines for drop height relative to weight. Drop weight tear testing is a material characterisation test aimed at avoiding brittle fracture and ensuring crack arrest in pipelines seamless or welded. Drop test set up photos drop 1 drop 2 drop 3 drop 4 drop 5 drop 6 drop 7 drop 8 drop 9 date. You may be curious about what height the carton should be dropped from. Drop the carton from the selected height 10 times from different sidesthe products must be checked for. A carton that weighs less than 21 lbs 10 kgs will be dropped from a height of 30 inches 760 mm while a carton weighing 100 lbs 45 kgs will be dropped from a height of 8 inches 200 mm.
The drop weight test was developed to simplify the determination of the ndtt it is standardised in astm e208. The drop weight test specimen is illustrated in fig1. The astm e208 drop weight test is used primarily to determine the nil ductility transition temperature or ndt of ferritic steels of 58 in thickness and over. The drop weight test consists of beam specimens prepared according to astm e208 specifications to initiate a material crack in a selected area of their tensile surfaces at the start of the test. For ista 2b drop test the test level determinate 6 in 150 mm in the case of ista 2c drop test height of the drop varies for package product weight and distribution channel. Calculating drop test height from a g shock value irstuff aerospace 10 aug 09 1629 anyway your best bet is to find different suitable surfaces like different woods different metals with different backings and drop a an object with accelerometer mounted on it and see what level of shock you get as a function of height.
Greater than 100 lb 45 kg. Less than 50 lb 23 kg 50 lb 23 kg to 100 lb 45 kg and. Take a full packed random carton from the master cartons as testing sample test it on area with a flat and hard floor. Transportation carton drop test standard. 15241 kg 336 lbs overall dimensions. Drop orientations drop height drop orientations drop height drop orientations drop height 1 edge 3 4 18 460 mm 4 corner 3 4 6 18 460 mm 7 edge 1 2 18 460 mm.
Drop height is determined based on the weight of a carton. 2 drop test height see chart is determined by carton weight. The standard height for most drop tests relies on the weight of the item being evaluated and the standards used for testing. It consists of a rectangular coupon with a brittle weld bead deposited on one face. The drop weight tear test dwtt specified in api rp 5l3 or astm e436 was developed in the early 1960s at the battelle memorial institute usa to overcome some limitations of the pellini drop weight test. Drop test is technique for measuring the durability of a part or material by subjecting it to a free fall from a predetermined height into a surface under prescribed conditions.
Additionally the type of test can vary by item and desired outcome. Average package gross weight. The most common and often quoted drop test procedure is the ista procedure 1a 10 drop procedure.
Gallery of Drop Test Height Vs Weight
