![]() A standard (ASTM, EN, JIS, etc.) or guideline from an internationally recognized standard setting body should always be used to specify the alloy, mechanical and physical properties, tolerances (aesthetic, flatness and dimensional) and other requirements.Ģ. These are the most important rules, others can be found in our list.ġ. ![]() They can always be tightened and still be legally binding, but not relaxed. Complete specifications are critical for communicating requirements.
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