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carbon-molybdenum material used for A194 gr 4 nuts 2
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The composition is in the ASTM A194 standard and you can see it at the bottom of this page:
These parts can be produced with grade 4047 steel according to ASTM A29 or SAE J404.
These parts can be produced with grade 4047 steel according to ASTM A29 or SAE J404.
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There is not a standard European grade that has the same or similar composition to 4047 according to SAE J404 or ASTM A29. High temperature fasteners in the EU are specified according to EN 10269, with a more highly alloyed steel such as 42CrMo4 being commonly used.
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