Din 8570 B [new] 〈UHD〉

Note: Always verify the current validity of DIN 8570 B with your local standards body. For new projects requiring international certification, refer to ISO 9692 and ISO 13920 while noting that many German customers will still accept DIN 8570 B as a valid specification.

| Class | Description | Typical Application | | :--- | :--- | :--- | | | Very Fine | Laser cutting, high-precision CNC machining (e.g., aerospace, precision instruments) | | Class 2 | Fine | Plasma cutting with CNC, high-quality milling (General machinery, automotive) | | Class 3 | Medium | Flame cutting (automatic), shearing (Structural steel, shipbuilding) | | Class 4 | Coarse | Manual flame cutting, rough shearing (Heavy construction, non-critical components) | | Class 5 | Very Coarse | Flame cutting without guides, rough hand cutting (Temporary structures, root passes only) | din 8570 b