3Cr13 Steel Material
The published table names 3Cr13 and mentions uses including valves and small precision shafts.
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The supplier technical-conditions table lists Y1Cr13 as a separate material grade.
Benxi Shengheng Precision Wire identifies Y1Cr13 Steel Material in its indexed supplier catalogue. The supplier technical-conditions table lists Y1Cr13 as a separate material grade. Use that exact designation with the required bar or wire form, dimensions and delivery condition when enquiring. Ask for the applicable product standard and material certificate before treating a table cross-reference as proof of equivalence.