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ASME Weld Number Tables P number base & F number filler

F-Numbers of filler metals can be found in ASME Section IXs Number Table QW-432 an extract is shown as following:F - Numbers. Electrodes/Welding Rods. F - No. 1 through F - No. 6. Steel and Steel Alloys. F - No. 21 through F - No. 25. Aluminum and aluminum - base alloys. F - No. 31 through F - No. 37.best top 5 mm seamless steel tube ideas and get free best top 10 china led light high bay brands and get free shipping