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General note: The "Thickness of Weld Metal" is the total weld metal thickness deposited by all welders and all processes in the test coupon exclusive of the weld reinforcement.Note : (1) To qualify using positions 5G or 6G, a total of four bend specimens are required. To qualify... 顯示更多 General note: The “Thickness of Weld Metal” is the total weld metal thickness deposited by all welders and all processes in the test coupon exclusive of the weld reinforcement. Note : (1) To qualify using positions 5G or 6G, a total of four bend specimens are required. To qualify using a combination of 2G and 5G in a single test coupon, a total of six bend specimens are required. See QW-302.3. The type of bend test shall be based on weld metal thickness. (2) Coupons tested by face and root bends shall be limited to weld deposit made by one welder with one or two processes or two welders with one process each. Weld deposit by each welder and each process shall be present on the convex surface of the appropriate bent specimen. (3) One face and root bend may be substituted for the two side bends. Note: (1) When more than one welder and/or more than one process and more than one filler metal F-Number is used to deposit weld metal in a coupon, the thickness, t , of the weld metal in the coupon deposited by each welder with the applicable variables under QW-404 shall be determined and used individually in the “ Thickness, t, of Weld Metal in the Coupon” column to determine the “ Thickness of Weld Metal Qualified.” (2) Two or more pipe test coupons with different weld metal thickness may be used to determine the weld metal thickness qualified and that thickness may be applied to production welds to the smallest diameter for which the welder is qualified in accordance with QW-452.3 (3) Thickness of test coupon of 3/4 in . (19mm) or
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一般筆記:焊接金属的「厚度」是所有銲工和在測試優惠券的所有過程放置的总焊接金属厚度專屬銲接增強。 注: (1)使用位置5G或6G,合格,總共四彎 需要標本。 使用2G的組合合格 並且在一張唯一測試優惠券的5G,總共六個彎標本是 必需。 看見QW-302.3。 彎測試的种类將根據 焊接金属厚度。 (2)優惠券由面孔測試了,並且根彎將被限制銲接 與一兩個過程或二的一位銲工做的儲蓄與一個過程的銲工其中每一位。 由每位銲工的銲接儲蓄和每個過程將是存在凸面表面 合適彎的標本。 (3)一個面孔和根彎也許用二邊被替代 彎。 注: (1),當超过一位銲工和超过一個過程 並且超过一個填充金属F數字被用于放置銲接 在優惠券,厚度, t的金屬,在的焊接金属 與可適用的可變物的每位銲工放置的優惠券 在QW-404之下將是堅定和單獨地使用在 「厚度, t,在優惠券的焊接金属」專欄 確定合格的焊接金属的「厚度」。 (2)兩個或多個用管道輸送與另外焊接金属的測試優惠券 厚度也許被用于確定焊接金属厚度 合格和那種厚度也許被申請於生產銲接 對銲工合格的小的直径 與QW-452.3的依照 (3)測試優惠券的厚度3/4寸。 (19mm)或
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