Daekyung DTR-300N 운영 매뉴얼 - 페이지 13
{카테고리_이름} Daekyung DTR-300N에 대한 운영 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Daekyung DTR-300N 15 페이지. Rockwell hardness tester
페이지 인쇄9.1 Reference Table 1. Rockwell Hardness Scale
Scale
Indenter
Cone line-tip angle 120±30°
A
Diamond indenter that the
D
curvature
spherical surface is
C
0.2 ±0.02mm
F
Name: 1/16" Steel Ball
B
(Diameter: 1.588mm)
G
H
Name: 1/8" Steel Ball
E
(Diameter: 3.175mm)
K
L
Name: 1/4" Steel Ball
M
(Diameter: 6.350mm)
P
R
Name: 1/2" Steel Ball
S
(Diameter: 12.70mm)
V
Std. Load
(kgf)
10
radius
of
the
10
10
10
10
DAEKYUNG TECH & TESTERS Mfg. CO.,LTD
Test Load
Hardness
Expression
(kgf)
60
100
100-500h
150
60
100
130-500h
150
60
100
130-500h
150
60
100
130-500h
150
60
100
130-500h
150
Application Scope
Sintered Carbide
Carburizing Steel
Pearlitic Malleable Iron
Carbon Steel
Copper Alloy
Aluminum Alloy
Malleable Iron
Soft Steel
Powder Alloy
Aluminum Alloy
Magnesium Alloy
Grindstone
Plastics
Light Alloy
Lead
Plastics
Light Alloy
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