Request batch-linked material designation, manufacturing and heat-treatment records, and relevant test evidence before accepting a 'same material' claim.
Request a controlled material designation plus batch-linked material evidence, manufacturing statement, heat-treatment record and relevant test results; verify issuer, scope and item/batch link before accepting equivalence.
Ask for batch-linked material designation, manufacturing statement, heat-treatment record and test evidence traceable to the exact part and the applicable drawing or purchase requirement.
What to ask when a supplier claims a SANY-compatible undercarriage part uses the same material in Kazakhstan: batch-linked documents, heat-treatment records and test evidence, not a material name or hardness value alone.
Ask for batch-linked documents, not just a material name or hardness value, and verify issuer, scope, item link, drawing, heat treatment, and test evidence before accepting equivalence.
A supplier's material claim needs a documented batch-linked chain: drawing requirement, material certificate, manufacturing record, heat-treatment record and relevant test evidence.