What are the technical requirements for the hook?
Hook is a widely used hardware product, but standard hooks also require certain basic technical requirements. What are the technical requirements for hooks? What are the technical requirements of the hook?
The technical requirements of hooks are:
1. Before purchasing hooks, they should have technical documents such as manufacturer's certificate of conformity; important departments purchase hooks such as railways, ports, etc. The hook should be strictly inspected (flaw detection) before leaving the factory.
2. The hook must not have defects that affect the safe use performance; the hook defects must not be repaired through welding; the hook surface should be smooth and there must be no defects such as cracks, wrinkles, acute angles, burrs, peeling and overburning.
3. You can select two suitable positions at the short distance of the hook, print signs that are not easy to wear, and measure the distance of the signs as the basis for detecting whether the opening degree changes during use.
4. The hook material can be forged with 20 high-quality carbon steel or hook special materials, such as DG20Mn, DG34CrMo, etc. Casting hooks are strictly prohibited. Generally speaking, the material of the hook should be A3, C3 general carbon steel or 16Mn low alloy steel.
5. The longitudinal axis of the plate hook and hook piece must be in the direction of the steel plate rolling, and the hook piece is not allowed to be spliced.
Hook is a widely used hardware product, but standard hooks also require certain basic technical requirements. What are the technical requirements for hooks? What are the technical requirements of the hook?
The technical requirements of hooks are:
1. Before purchasing hooks, they should have technical documents such as manufacturer's certificate of conformity; important departments purchase hooks such as railways, ports, etc. The hook should be strictly inspected (flaw detection) before leaving the factory.
2. The hook must not have defects that affect the safe use performance; the hook defects must not be repaired through welding; the hook surface should be smooth and there must be no defects such as cracks, wrinkles, acute angles, burrs, peeling and overburning.
3. You can select two suitable positions at the short distance of the hook, print signs that are not easy to wear, and measure the distance of the signs as the basis for detecting whether the opening degree changes during use.
4. The hook material can be forged with 20 high-quality carbon steel or hook special materials, such as DG20Mn, DG34CrMo, etc. Casting hooks are strictly prohibited. Generally speaking, the material of the hook should be A3, C3 general carbon steel or 16Mn low alloy steel.
5. The longitudinal axis of the plate hook and hook piece must be in the direction of the steel plate rolling, and the hook piece is not allowed to be spliced.
Hook is a widely used hardware product, but standard hooks also require certain basic technical requirements. What are the technical requirements for hooks? What are the technical requirements of the hook?
The technical requirements of hooks are:
1. Before purchasing hooks, they should have technical documents such as manufacturer's certificate of conformity; important departments purchase hooks such as railways, ports, etc. The hook should be strictly inspected (flaw detection) before leaving the factory.
2. The hook must not have defects that affect the safe use performance; the hook defects must not be repaired through welding; the hook surface should be smooth and there must be no defects such as cracks, wrinkles, acute angles, burrs, peeling and overburning.
3. You can select two suitable positions at the short distance of the hook, print signs that are not easy to wear, and measure the distance of the signs as the basis for detecting whether the opening degree changes during use.
4. The hook material can be forged with 20 high-quality carbon steel or hook special materials, such as DG20Mn, DG34CrMo, etc. Casting hooks are strictly prohibited. Generally speaking, the material of the hook should be A3, C3 general carbon steel or 16Mn low alloy steel.
5. The longitudinal axis of the plate hook and hook piece must be in the direction of the steel plate rolling, and the hook piece is not allowed to be spliced.
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