
این پنجمین باری است که بریدهنامه را برایتان منتشر میکنم. بریدهنامههای قبلی را میتوانید در لینکهای زیر بخوانید: بُریدهنامه (1) …
Core Material for Steel electrodes
In the drawing of an equipment, 304/304L was considered as material. During construction, the inspector noticed that only 304 was used. When he asked why, he heard: “I didn’t do anything wrong. As you see in the drawing, 304/304L is …