SS-EN-ISO-15330 Fasteners - Preloading test for the detection of hydrogen embrittlement - Parallel bearing surface method (ISO 15330:1999)

SS-EN-ISO-15330 - EDITION 1 - CURRENT


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This International Standard specifies a preloading test which is able to detect the occurence of hydrogenembrittlement 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 oC to 35 oC. The test is suitable only for in-process control and may be carried out after any step of the manufacturing process. Itis not intended as an acceptance test. It is capable of assessing differences or changes in processing conditions ortechniques and to determine the effectiveness of the various processing steps including pre- and post-coatingtreatments (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 suitableprocess control. NOTE The chance of detecting hydrogen embrittlement decreases significantly if the test is started more than 24 h afterthe last step of manufacturing process. Therefore, in normal cases this test is not suitable for acceptance testing. Special attention shall be given to the reference test in clause 7.3

To find similar documents by classification:

21.060.01 (Fasteners in general)

21.060.10 (Bolts, screws, studs)

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Designation Name

SS-EN ISO 15330

Revision Level

EDITION 1

Status

Current

Publication Date

Sept. 24, 1999

Language(s)

English

Page Count

24

International Equivalent

EN ISO 15330:1999(IDT); ISO 15330:1999(IDT)