An overview of European/International standards for fusion welding
Ref. Mathias Lundin, Swedish Welding Commission
خواندن بعدی
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 …
MONEL is a group of alloys of nickel (from 52 to 67%) and copper, with small amounts of iron, manganese, …
Pressure vessel design is not in my scope of work, but I have often had the need to know its components. I think this is a necessity for many other engineers with various specialties. Below pages reference: Pressure Vessel Design …
ریتون زرین به شکل سر شیر متعلق به دوره هخامنشی ( ۴۵۰ – ۵۰۰ پیش از میلاد) به بلندای 22 …
