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ASTM A689-97(2018)

Standard Specification for Carbon and Alloy Steel Bars for Springs

NORMA vydána dne 1.9.2018

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The information about the standard:

Designation standards: ASTM A689-97(2018)
Publication date standards: 1.9.2018
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: American technical standard
Kategorie: Technické normy ASTM

Annotation of standard text ASTM A689-97(2018) :

This specification covers hot-wrought steel bars for the manufacture of general purpose springs such as coil, torsion, and leaf. The steel shall be melt processed by using open-hearth, basic-oxygen, or electric furnace. The materials shall undergo heat analysis and shall conform to the required chemical compositions and hardenability. The steel specimens shall conform to the required values of rounded corner radii and cross section tolerances for round-edge flat bars.


Keywords:
ICS Number Code 77.140.25 (Spring steels)