JB/T 3733-2017 in English

This standard specifies the technical requirements for hot rolled working rolls made of large forged alloy steel, including chemical composition, mechanical properties, dimensional tolerances, surface quality, and inspection methods. It applies to the production, inspection, and acceptance of such rolls used in rolling mills. The document covers the requirements for raw material selection, forging process, heat treatment, and finishing operations. It also outlines the procedures for sampling, testing, and quality control to ensure the rolls meet the required performance characteristics under operational conditions. The standard provides guidelines for the marking, packaging, and transportation of the finished products. It is applicable to manufacturers, suppliers, and users involved in the production and application of hot rolled working rolls made from large forged alloy steel.