Mechanical properties of steel plates after welding
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I would like to ask everyone: if the manufacturer’s quotation document specifies that the hardness of the steel plate at delivery should be less than or equal to 225HBW, how can it be ensured that the hardness of the heat-affected zone after welding is also less than or equal to 225HBW?
How can we ensure that the hardness is also less than or equal to 225HBW?
By properly selecting welding materials and applying appropriate heat treatment
Material selection, heat input control, post-weld heat treatment.
The material has now been specified as 14Cr1MoR. The sheet supplier only guarantees that the hardness of the material in the delivered state will be ≤225HBW. However, we require that the hardness in the heat-affected zone after welding also not exceed 225HBW. How can this hardness level be ensured?