Simply list the manufacturing method, quality rating and delivery status of DIN 17175-1979 Heat resistant seamless steel pipe
DIN 17175-1979 Heat resistant seamless steel pipe technical delivery conditions Heat-resistant seamless steel pipe (including cold heading tubes) is used for boilers, pipes, pressure vessels and other structures, the temperature reaches 600 . 1. Manufacturing method Hot-rolled, cold-rolled, hot extrusion, hot drawing or cold drawing. With oxygen converter steel pipe, open hearth or furnace. 2. Quality rating Steel pipe is supplied in two quality grades (`and b). Non-alloy steel pipe for`, b two kinds of quality grade, while for the alloy steel pipe only a quality levels. Quality rating is chosen by the users their own. 3. Delivery status Pipe should be supplied with the appropriate heat treatment status, depending on the type of steel, the following heat treatments are adopted: - Normalizing; - Semi-critical annealing; - Quenching and tempering, continuous cooling from quenching temperature and subsequent tempering; - Quenching and isothermal transformation tempering.
Comprehensive Guide to ISO Steel Pipe Standards
Steel pipes are essential components in various industries, from construction and infrastructure to oil and gas. Ensuring their quality, safety, and efficiency is paramount, which is where the International Organization for Standardization (ISO) comes into play. ISO sets globally recognized standards that specify the properties and testing methods for steel pipes, providing a common language for manufacturers, suppliers, and customers. This article delves into the ISO standards for steel pipes, offering a detailed overview of their specifications and applications.
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