铸造碳化钨粉规格铸造碳化钨粉化学成分品级粒度目数mesh毫米mm微米μmGZ5-10f-5~+104.000-2.0004000-2000GZ10-20f-10~+202.000-0.8502000-850GZ20-30f-20~+300.850-0.600850-600GZ30-40f-30~+400.600-0.425600-425GZ40-60f-40~+600.425-0.250425-250GZ60-80f-60~+800.250-0.180250-180GZ80-100f-80~+1000.180-0.140180-140GZ100-200f-100~+2000.140-0.075140-75GZ200-400f-200~+4000.075-0.03475-34元素标准典型值W95-9695-96totalcarbon3.8-4.03.8-4.0freecarbon≤0.08≤0.02Fe≤0.5≤0.3Cr≤0.2≤0.05V≤0.2≤0.01Ti≤0.1≤0.01Mo+Co+Ni≤0.3≤0.05性能硬度显微硬度密度熔点93-93.72500-3000kg/mm216.5g/cm32525℃)