GB/T 22565.1-2021: Metallic materials - Sheet and strip - Method for spring back evaluation - Part 1: Stretch bending

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Scope

This document specifies a method for evaluating the amount of springback of sheets
and strips of metallic materials under plane-strain stretch bending. Plane-strain stretch
bending is a typical deformation mode of stamping parts, which can show a significant
amount of springback. By using this method, the amount of springback under stretch
bending can be evaluated accurately and quantitatively.
This document applies to material characterization, forming process control, die design
and finite element program calibration for sheets and strips of metallic materials with
springback control requirements.

Basic Data

Standard ID	GB/T 22565.1-2021 (GB/T22565.1-2021)
Description (Translated English)	Metallic materials - Sheet and strip - Method for spring back evaluation - Part 1: Stretch bending
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H22
Word Count Estimation	12,164
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration