GMKOREA EDS-T-7150
Method of Decarburized Depth Measurement for Bolt
| Organization: | GMKOREA |
| Publication Date: | 1 July 2011 |
| Status: | inactive |
| Page Count: | 5 |
scope:
This standard specifies the decarburized depth measurement for external thread parts Note 1) such as bolts and machine screws.
Note 1) This standard shall apply mainly to the mechanical strength class 8.8 or more of the external thread parts.
PURPOSE
This standard aims at evaluating the product quality by measuring the decarburized depth of thread deteriorating the fastening force which is the major function of the bolt and influencing the fatigue strength.
Document History