Series Model: YG11 / YG15 Polishing Punching Dies – Factory Custom Series

WC-Co Material Grades: YG11 (Co 11%), YG15 (Co 15%); fine grain (0.8–2.0 μm); YG11 for higher wear resistance in precision punching, YG15 for enhanced toughness in heavy-duty stamping

Key Dimensions & Tolerances: Fully custom blank and finished die dimensions per component specifications; tolerance ±0.001–0.005 mm; precision-ground and mirror-polished working surfaces

Physical Properties: YG11: Hardness 88–89 HRA, TRS 2600–3000 MPa, density 14.0–14.4 g/cm³; YG15: Hardness 87–87.5 HRA, TRS 2500–2800 MPa, density 14.0 g/cm³

Surface Roughness & Coatings: Mirror-polished surface (Ra ≤0.05–0.1 μm); polishing extends tool lifespan by 30%–50%; optional TiN, TiCN, CrN, TiAlN coatings for reduced friction and extended die life

Applicable Materials & Service Life: Carbon steel, alloy steel, stainless steel, aluminum, copper, brass; suitable for precision punching, stamping, blanking, and piercing operations requiring superior edge retention and surface quality

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