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JIS B 1045:2001 English Edition

JIS B 1045:2001

Fasteners - Preloading test for the detection of hydrogen embrittlement - Parallel bearing surface method


This Standard specifies a preloading test which is able to detect the occurrence of hydrogen embrittlement of fasteners at room temperature. This test is applicable to - metric bolts, screws and studs; - thread rolling screws; - self-tapping screws; - self-drilling screws; - nuts; - washers which are made of steel and are under tensile stress. The test shall be carried out within a temperature range of 10 degree C to 35 degree C. The test is suitable only for in-process control and may be carried out after any step of the manufacturing process. It is not intended as an acceptance test. It is capable of assessing differences or changes in processing conditions or techniques and to determine the effectiveness of the various processing steps including pre- and post-coating treatments (baking) to reduce the mobile hydrogen in the fasteners. This test does not relieve the manufacturer or processor from the responsibility of imposing and monitoring suitable process control.


Status Current
Pages 9
Language English
Superseded By
DocumentFormat PDF(Copy/Paste/Networkable)
Published 20-12-2001

We will send the latest version to you, please contact us if you want the exact document as the title. Some old Standards are in scancopy and no reaffirmed stamp

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This product was added to our catalog on Saturday 10 March, 2018.