The chemical composition of GBT 11251 42CrMo steel plate is one of the important factors affecting the quality and final performance of 42CrMo steel plate. It is also the main basis for the production of 42CrMo steel plate and even the final product heat treatment system.
1) The melting composition of GBT 11251 42CrMo steel plate
The chemical components of 42CrMo steel plate specified in the general standard refer to melting components. It refers to the chemical composition of 42CrMo steel after smelting and pouring. In order to make it representative, we analyze it according to the standard method (GB/T223), the result must conform to the range of standard chemical composition and the basis of customer acceptance.
2）Finished product composition
The composition of the finished product is called the analysis component, which is the chemical composition obtained from the finished GBT 11251 42CrMo steel plate by the prescribed method (GB/T222) and by the prescribed standard method (GB/T223).
The finished components of the 42CrMo steel plate are mainly used by the use department or the quality inspection department to check the quality of the 42CrMo steel. The production enterprises generally do not do the analysis of the finished products except the users required, but the product analysis should be guaranteed to meet the standards.
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