ASTM A588 Gr.B Chemical composition and Mechanical properties
C(％): 0.20
Si(％): 0.15～0.30
Mn(％): 0.75～1.25
P(％): 0.04
S(％): 0.05
Cu(％): 0.20～0.40
V(％): 0.01～0.10
other(％): Cr 0.40～0.70；Ni 0.25～0.50
ASTM A588 Gr.B Mechanical Properties
| Properties |
Conditions |
| T (°C) |
Treatment |
| Density (×1000 kg/m3) |
7.7-8.03 |
25 |
|
| Poisson's Ratio |
0.27-0.30 |
25 |
|
| Elastic Modulus (GPa) |
190-210 |
25 |
|
| Tensile Strength (Mpa) |
1158 |
25 |
oil quenched, fine grained, tempered at 425°C |
| Yield Strength (Mpa) |
1034 |
| Elongation (%) |
15 |
| Reduction in Area (%) |
53 |
| Hardness (HB) |
335 |
25 |
oil quenched, fine grained, tempered at 425°C |
ASTM A588 Gr.B Thermal Properties
| Properties |
Conditions |
| T (°C) |
Treatment |
| Thermal Conductivity (W/m-K) |
42.7 |
100 |
|
| Specific Heat (J/kg-K) |
477 |
50-100 |
|
ASTM A588 Gr.B Physical Properties
| Quantity |
Value |
Unit |
| Thermal expansion |
16 - 17 |
e-6/K |
| Thermal conductivity |
16 - 16 |
W/m.K |
| Specific heat |
500 - 500 |
J/kg.K |
| Melting temperature |
1370 - 1400 |
°C |
| Service temperature |
0 - 500 |
°C |
| Density |
8000 - 8000 |
kg/m3 |
| Resistivity |
0.7 - 0.7 |
Ohm.mm2/m |
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