Hydroforming High Strength Steel Tube for Automotive Structural Applications Using Expansion

970373

02/24/1997

Event
SAE International Congress and Exposition
Authors Abstract
Content
The need for lighter, stronger, more rigid vehicle structures will increasingly require complex hydroformed structural tubes to increase strength, and decrease weight, cost and part count. This effort will increase the use of high strength, low alloy (HSLA) steel, in place of SAE 1006/1008 or 1010 steel. Traditional hydroforming techniques require the higher elongation of the latter materials. An alternative tube hydroforming process has been developed to successfully use these, and HSLA grades from 310 (945XF) to 552 (980XF) MPa minimum yield stress. This paper concentrates on hydroforming steel with a focus on HSLA. It will demonstrate to automotive designers available features such as local section expansion and reduction, hole piercing, achievable cross sectional shapes and the relationship between tube size, corner radii, and wall thickness.
Meta TagsDetails
DOI
https://doi.org/10.4271/970373
Pages
10
Citation
Morphy, G., "Hydroforming High Strength Steel Tube for Automotive Structural Applications Using Expansion," SAE Technical Paper 970373, 1997, https://doi.org/10.4271/970373.
Additional Details
Publisher
Published
Feb 24, 1997
Product Code
970373
Content Type
Technical Paper
Language
English