萊州華銀數(shù)顯洛氏硬度計(jì)金剛石壓頭洛氏硬度塊
名稱 | 硬度值范圍 | 外形尺寸 |
標(biāo)準(zhǔn)洛氏硬度塊 | 80-88HRA | 圓形∮60*10mm 長(zhǎng)方形60*40*10mm |
85-95HRB | ||
20-30HRC | ||
35-50HRC | ||
60-70HRC | ||
非標(biāo)范圍:50-55HRC | 圓形∮60*10mm | |
表面洛氏硬度塊 | 88-92HR15N | 圓形∮60*10mm 長(zhǎng)方形60*40*10mm |
74-82HR30N | ||
45-55HR30N | ||
45-55HR45N | ||
85-91HR15T | ||
70-80HR30T | ||
54-72HR45T | ||
塑料洛氏硬度塊 | 70-100HRE(銅制) | 長(zhǎng)方形60*40*8mm |
50-155HRL(銅制) | ||
50-155HRM(銅制) | ||
50-155HRR(銅制) |