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Fitness Catalog

to a minimum tolerance of .030 construction is primarily of square tubing 3 x 11g rectangular tubing 4 x 2 x 11g and rectangular ... 3 x 2 x 11g and a combination of other heavy structural tubular steel sizes with an astm rating of a500 grade b minimum mechanical ... a3.0 welding terms and definitions 3.2 aws d1.1-81 structural welding code-steel 3.2 aws d9.1 specifications frame finish each piece of equipment is