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**Please note: These are not just a normal bolt. They are Hydrogen Embrittlement Resistant. (This is a corrosion inhibitor)
‘Hydrogen Embrittlement occurs when metals become brittle as a result of the introduction and diffusion of hydrogen into the material. The degree of embrittlement is influenced both by the amount of hydrogen absorbed and the microstructure of the material. Microstructures which bestow high strength, often monitored by hardness level, or having specific distributions of grain boundary particles or inclusions, can result in increased susceptibility to embrittlement. The phenomenon usually becomes significant when it leads to cracking. This happens when sufficient stress is applied to a hydrogen-embrittled object. Such stress states can be caused both by the presence of residual stresses, associated fabrication operations such as forming and welding, and applied service stresses. The severity of hydrogen embrittlement is a function of temperature: most metals are relatively immune to hydrogen embrittlement, above approximately 150°C.’
(Source: twi-global.com)
Thank you all parts received in good order and correct. Thank you for your prompt efficient and good value service.
Just a note to say the parts arrived today. Very happy indeed – the good old beemer will look flashed up again. Thank you for the excellent communication and prompt service! Absolute pleasure to do business with you! Many thanks and kind regards