Tubes may also be galvanized using an automated process to EN 10240. Again Immersion times are relatively short and upon withdrawal, steam may blown down the bore of the tube to give an adequate surface finish. The coating thickness may be as high as 45-55 m although much of the product produced has a significantly thinner coating of 20-30 m. Galvanized Steel Metal Supermarkets - Steel, Aluminum Galvanized steel is widely used in applications where rust resistance is needed, and can be identified by the crystallization patterning on the surface (often called a spangle). The process of hot-dip galvanizing results in a metallurgical bond between zinc and steel with a series of distinct iron-zinc alloys.
Hot-dip galvanizing is done in accordance with long established ASTM specifications. There are three main specifications (ASTM A123, A153, and A767) governing the coating thickness, adherence, and finish for hot-dip galvanized steel and a handful of supporting specifications referenced in these specifications; cover design practices, repair and touch-up, and painting/powder coating over Galvanizing Thickness Measurement Resources DeFelskoExample A:Imagine you take a measurement on a steel coil coated with zinc galvanize using a PosiTector 6000 F gage and obtain a single-side thickness reading of 0.35 mils.This can be easily converted to oz/ft² using the following method:Multiply the gage reading of 0.35 mils by 2 to account for both sides of the panel (0.70 mils) Harvard SteelThe following Table is a direct conversion chart to convert coating weight from g/m 2 to oz/ft 2 on a per-side basis. Note that, although a precise conversion between the metric categories (20G/20G, 40G/40G, etc.) and ASTM A653 G and A categories (G30, G60, etc.) cannot be made, a 90G/90G coating category (metric) is approximately equivalent to a G60 coating category (ASTM A 653
Nov 18, 2010 · Please get copies of the respective standards and compare all the product variables to determine if Z08 is comparable to G30 and both specifications are Hot Dipped Galvanize. From my experience a G30 coating is an extremely light coating for a hot dip process. At least in the USA, it's difficult for any hot dip process to produce a G30 coating. astm a653 non galvanized steel coil - Vivipar-Steel factoryVivipar boiler vessel plate Factory can supply astm a653 non galvanized steel coil, and we also offer high quality carbon steel, low-alloy steel, hot/cold rolled steel, shipbuilding steel plate, boiler steel plate, weathering Steel, API 5L / API 5CT pipe, a36 steel,Q235 steel, A283Grade C, A572Grade 50, S355J2, St37-2,A537 Class 1,16Mo3 in bulk with Us which is one of the leading manufacturers Hot Rolled P&O Steel Sheet Metal Supplier MetalwestSS Grades 30 65. Hot rolled pickled and oiled (P&O) is a product with an enhanced surface finish due to the pickling process. The process of creating hot rolled P&O begins with basic hot rolled steel. To learn about the process of how hot rolled steel is made visit our hot rolled steel products page or the Beyond Metal Buzz.