Ask for batch-linked material, manufacturing, heat-treatment and test records tied to the applicable drawing or purchasing specification before accepting material equivalence.
Ask for batch-linked material, manufacturing, heat-treatment, and test evidence before accepting a supplier's same-material claim for undercarriage parts in abrasive mining service.
Ask for batch-linked material documents, not a material name or hardness number. This article explains the evidence checks for SANY-compatible undercarriage parts in Kazakhstan.
Request batch-linked material and heat-treatment evidence, not just a material name or hardness value, before accepting equivalence for abrasive mining duty.
Request batch-linked material and heat-treatment evidence tied to the specific part and the applicable drawing or purchasing requirement, not a generic material claim.