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Bull Moose Tube and XL Specialized Trailers join forces for incorporating Stratusteel into Bottom Dump Trailer design- The 19th China (Guangzhou ) Int’l tube & pipe Processing Equipment Exhibition
4/16/2018 管材展-钢管展-steel tube expo-tube &pipe expo |
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St Louis-based Bull Moose Tube and Manchester, Iowa-based XL Specialized Trailers recently announced the successful test of an XL-designed bottom dump trailer that incorporated Bull Moose’s Stratusteel® hollow structural steel tubing in place of traditional steel tube to remove weight and add durability. The trailer, similar in design to XL’s 60 BD model, was tested by Sacaton, Arizona-based customer Gila River Sand & Gravel from April through October 2017, receiving positive reviews and showing no signs of wear.
By replacing traditional tube steel with Stratusteel, Bull Moose and XL removed 1,100 pounds from the trailer’s frame weight versus the traditional XL 60 BD model, without sacrificing strength or durability. Bull Moose provided valuable input and advice throughout the process, including Finite Element Analysis (FEA), thermal testing and a welding guide to ensure successful welds at lower temperatures.
The trailer endured a six-month test period, hauling eight to 12 loads of rock and concrete sand per day across both dirt roads and paved highways at Gila River Sand & Gravel’s Maricopa facility in Sacaton, Arizona. According to representatives from Gila River, the trailer experienced no performance issues and showed no evidence whatsoever of cracking in the frame, the fifth-wheel pin or plate, brakes or air systems.
Bull Moose Tube utilizes the direct-form process and the highest grades of High Strength Low Alloy (HSLA) steel to create Stratusteel. The resulting tube is three times harder than conventional steel tubing (measured on the Rockwell Hardness scale), resulting in added impact resistance and durability, and the product is stronger – achieving yield strengths in excess of 110 KSI – while weighing as much as 35 percent less than other steel.
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