کامران خداپرستی مقالات.
این ما نیستیم که به دنیا میآییم، این دنیاست که به سوی ما میآید. به دنیا آمدن یعنی هدیه گرفتن تمام دنیا. بیست و چهارم شهریور پنجاه و یک سال پیش، دنیا را هدیه گرفتم و شاید بد نباشد بخشی …
The white book of steel is an informative and entertaining look at steel’s enormous impact on the history of mankind, and the role that it is set to play in helping to shape the future of humanity. Tracing steel’s development from …
Stainless steels owe their widespread use to a combination of unique properties that have advantages over those of other steels and nonferrous metals for many applications. The principal outstanding characteristics are their resistance to corrosion in many environments, their good …
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 …
Q: What do you have with five Metallurgists in the room?A: Five opinions! If you are not sure about the correctness of the answer, maybe by looking at the picture below, which I have taken from a book (Engineering Problem …
An overview of European/International standards for fusion weldingRef. Mathias Lundin, Swedish Welding Commission
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 …
The Accidental Birth of a No-Name Alloy
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