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Physical Property
Metal material
Ratio
Longitudinal elastic
modulus ×10
3
[N/mm
2
]
Rigidity
modulus ×10
3
[N/mm
2
]
Thermal
conductivity
[W/(M·k)]
Thermal
expansion
×10
−6
[1/k]
Low-carbon steel (0.08C to 0.12C)
7.86
206
79
57 to 60
11.3 to 11.6
Medium carbon steel (0.40C to 0.50C)
7.84
205
82
44
10.7
High-carbon steel (0.8C to 1.6C)
7.81 to 7.83
196 to 202
80 to 81
37 to 43
9.6 to 10.9
Chrome steel (SCr430)
7.84
—
—
44.8
12.6 (300 to 470k)
Chrome-molybdenum steel (SCM440)
7.83
—
—
42.7
12.3
Martensitic stainless steel (SUS410)
7.80
200
—
24.9
9.9
Austenitic stainless steel (SUS304)
8.03
197
73.7
15
17.3
Tool steel (SKD6)
7.75
206
82
42.2 (373k)
10.8
Gray iron (FC)
7.05 to 7.3
73.6 to 127.5
28.4 to 39.2
44 to 58.6
9.2 to 11.8
Nodular graphite cast iron (FCD)
7.10
161
78
33.5 to 37.7
10
Duralumin (A2017-T4)
2.79
69
—
201
23.4
Super duralumin (A2024-T4)
2.77
74
29
121
23.2
Extra super duralumin (A7075-T6)
2.80
72
28
130
23.6
Lautan (AC2A-T6)
2.79
72
—
121
24.0
Silumin (AC3A-F)
2.66
71
—
121
20.4
Aluminum casting alloy (AC4CH-T6)
2.68
72
—
151
21.5
Aluminum die casting alloy (ADC12)
2.70
72
—
100
21.0
Zinc die casting alloy (ZDC-2)
6.60
89
—
113
27.4
ò
Mechanical Property
Metal material
Yield point
[N/mm
2
]
Tensile strength
[N/mm
2
]
Hardness
[HB]
S20C-N
245
402
116 to 174
S30C-N
284
471
137 to 197
S30C-H
333
539
152 to 212
S45C-N
343
569
167 to 229
S45-H
490
686
201 to 269
SS400
216
402 to 510
—
SCM420
—
932
262 to 352
SCM435
785
932
269 to 331
SUS303
206
520
187 or less
SUS304
206
520
200 or less
FC200
—
200
223 or less
FC250
—
250
241 or less
FC300
—
300
262 or less
FC350
—
350
277 or less
FCD400
250
400
201 or less
FCD450
280
450
143 to 217
FCD500
320
500
170 to 241
A2014-T4
245
412
—
A2017-T4
196
353
—
A7075-T6
471
539
—
Technical Data
Physical and Mechanical Property of Metals
Содержание COUPLINGS
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