According to 'GB/T 3648-2024 Ferrotungsten', the physical state standard of ferrotungsten is: ferrotungsten is delivered in block form, with a particle size range of 10mm-130mm, and the amount of particles smaller than 10mm×10mm should not exceed 5% of the total batch. If the purchaser has special requirements for the particle size, the supply and demand parties shall negotiate separately. There should be no visually visible non-metallic inclusions on the surface of ferrotungsten.
