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From the ASME Sec IX table, QW/QB-422 can find the P-number of a specific grade of material, i.e. which material falls under which P-number and what is product form i.e. plate, forging, sheets, fittings, etc.
3 cze 2021 · What is P Number in Welding? P Number ( P mean Parent Metal) in ASME Section IX means the material types classification based on their chemical & mechanical characteristics. P Number is provided for users to minimize the numbers of WPS, PQR, and WQT qualifications.
We can find out the ‘P’ number and Group number of any material from Table QW/QB-422 of ASME Section IX. Some more valuable information such as Minimum tensile strength, UNS No., Nominal composition, Product form etc. of the base material can also be determined from the same table.
These base metals are grouped by material and assigned P Numbers based on what material they are. For example, the P Number 1 is assigned to Carbon Manganese or Low Carbon Steel base metals. The table below provides an approximate summary of the assignments: P Number. Base Metal.
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Fuse Markings Explained. Markings on Electronic Cartridge Fuses. Table 1. Fuse Element Speed Markings. Table 2. Fuse Breaking Capacity Markings. Note: Many small cartridge fuses will have additional markings stamped on the end caps. These are usually either; a series number, a part number, or product approval markings (refer table 3 below).
1 sty 1995 · What does a specification for a floor flatness of 1/8 inch in 10 feet equal in F-numbers? A.: Although there are no direct equivalents between F-numbers and straightedge tolerances, ACI 302, "Construction of Concrete Floors and Slabs," gives the following table of approximate values:
