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 …
خواسته یا ناخواسته یا حتی ناخواسته یا خواسته، فصل جدیدی در مسیر کاری برایم ورق خورد و از ۲ ماه …
In below tables the elements are arranged by atomic number with the year of discovery and the discoverer. The discovery of an element made the discoverer well known and also gave credit to his/her country. Source: Encyclopedia of the Elements, …