GB/T 46088-2025 Active National standards

GB/T 46088-2025 Non-destructive testing—Visual testing method of long material

Publish Date: 2025-08-29 Implement Date: 2025-08-29 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 46088-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Basic standards and general methods

ICS Name: Non-destructive testing

Publish Date: 2025-08-29

Implement Date: 2025-08-29

Pages: 20 pages

Scope

This document describes the basic principles of visual inspection of long materials using laser line profiling measurement methods, and stipulates the general requirements, inspection procedures, inspection records, and inspection reports for visual inspection methods. This document is applicable to the visual inspection of open defects, pits, and deformations on the outer surfaces of metal bars, pipes, and wires with a diameter of not less than 12 mm, and with silver-bright, black-skinned, or sand-stripped surface conditions. Other cross-sectional shapes of long materials can be referenced for implementation. Note: The laser line profiling measurement method is a method of obtaining three-dimensional contour information of an object surface by emitting a laser beam and receiving the reflected light from the object surface, and then using image and point cloud processing technologies to perform high-precision measurements of the object's dimensions, geometric tolerances, and surface defects.