Materials & Measuring range 材料和測試范圍
Impact device D、DC 沖擊裝置

No.

Materials

材料

L_D

HRC

HRB

HB(30D²)

HSD

HV

1

steel and cast steel

鋼和鑄鋼（低合金）

300-900

20-68

38.4-99.5

80-647

32.5-99.5

80-940

2

alloy tool steel

合金工具鋼

300-840

20.4-67.1

80-898

3

stainless steel

不銹鋼和耐熱鋼

300-800

19.6-62.4

46.5-101.7

85-655

85-802

4

grey case iron

灰口鑄鐵

400-660

131-387

*Has not been heat treated

5

nodular cast iron

球墨鑄鐵

360-650

90-334

*Has not been heat treated

6

cast aluminum alloy

鑄鋁合金

200-560

（10D²）30－160

7

brass

銅鋅合金（黃銅）

200-550

20.0-95.3

40-173

8

bronze

銅鋁銅錫合金

300-700

60-290

9

copper

純銅

200-690

60-290

10

bearing steel

軸承鋼

518-872

518-872

20.0-65.0

*中國標(biāo)準(zhǔn)洛氏（HRC）硬度塊采用此材料