When I started working at an engineering company, I fully understood that performance of an engineer depends on myriad factors. At the same time, I saw these two images in one of Joseph Edward Shigley’s books and saved them.
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From the time that ASME’s founders, Henry R. Worthington, Alexander Lyman Holley, and John Edson Sweet, gathered in New York City for the first time in 1880 until today, ASME standards have changed over the years to include new construction …

برای همسن و سالهاي من (بچههای سي چهل سال پيش) آمدن بهار و نوروز لطف دیگری داشت! اینموقعهای سال که …
Stainless Steel is defined in ASTM A 941 as follows: A steel that conforms to a specification that requires, by mass percent, a minimum chromium content of 10.5 or more, and a maximum carbon content of less than 1.2 There …