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Old 02-25-2008, 02:18 PM
ChevyThunder ChevyThunder is offline
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They hydrogen cracking is an excellent point. Hydrogen atoms are small enough they can penetrate the crystal structure of steel (unless you have a very small grain size even then hydrogen doesn't help) This will cause stress corrosion cracking as the hydrogen which pentrates the steel helps corrode the steel fromt he inside and creates pits.

Similiar to what H2S gas will do to pipelines and pressure vessels if they aren't the right type of steel.
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