AWS B2.1-4-219-2021
کتابخانه الکترونیکی دیتا ساینس
شناسه : AWS B2.1-4-219-2021
عنوان : Standard Welding Procedure Specification (SWPS) For Gas Tungsten Arc Welding Followed By Shielded Metal Arc Welding Of Chromium-Molybdenum Steel (M-4/P-4, Group 1 Or 2), ER80S-82 And E8018-82, 1/8 Inch [3 Mm] Through 1/2 Inch [13 Mm] Thick
لینک : https://webstore.ansi.org/standards/aws/awsb22192021