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Trung tâm vật liệu & lựa chọn lưỡi dao

Bảy loại vật liệu luôn có sẵn, mỗi tuần đều gia công. Chọn theo dạng hư hỏng, không theo giá.

Vật liệuĐộ cứngChống mài mònĐộ bềnPhù hợp vớiGhi chú
Cr12MoV HRC 58–62 High Medium General slitting, paper, film, mixed packaging Widely used, well understood grade. Good balance of cost and life.
SKD-11 (D2) HRC 60–64 Very high Medium-high Abrasive film, board, high-speed converting Longer life than Cr12MoV at higher cost. The default upgrade.
9CrSi HRC 56–60 Medium-high Medium Paper, wood, economy tooling Economical and forgiving. Common for large straight knives.
6CrW2Si HRC 54–58 Medium Very high Chipper knives, scrap, impact-heavy cutting Chosen when chipping is the failure mode, not wear.
HSS M2 / M42 HRC 62–66 Very high Medium High-speed lines, thin film, long production runs M42 (cobalt) for heat resistance at very high line speeds.
440C Stainless HRC 54–58 Medium-high Medium Food processing, wash-down, hygiene-critical Rust-free. Required wherever blades see water and cleaning.
Solid Carbide HRC 64–70 Extreme Low-medium Abrasive film, battery electrode, long-life demand 10–20× tool steel life, but brittle and not resharpened many times.

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