半岛bd体育手机客户端 介绍
订货号 |
包装规格 |
497-705-80 |
10 Piece |
635-200-39 |
20 Piece |
952-360-72 |
50 Piece |
半岛bd体育手机客户端 参数
Diameter[直径] |
8mm |
Quantity[数量] |
10 Piece - 50 Piece |
Sphericity[球面] |
0.625μm |
Surface Finish[表面光洁度] |
Polished |
Type[类型] |
Precision Sphere |
Mechanical Properties(机械性能) |
Hardness - Knoop ( kgf mm?? ) |
2100 |
Hardness - Vickers ( kgf mm?? ) |
1500 - 1650 |
Shear strength ( MPa ) |
330 |
Tensile modulus ( GPa ) |
300.00 - 400.00 |
Tensile strength ( MPa ) |
260.00 - 300.00 |
Physical Properties(物理性质) |
Apparent porosity ( % ) |
0.00 |
Density ( g cm?? ) |
3.900 |
Chemical Resistance(耐化学性) |
Acids - concentrated |
Good |
Acids - dilute |
Good |
Alkalis |
Good |
Halogens |
Good |
Metals |
Good |
Pultrusion(挤拉成型) |
Compressive strength ( MPa ) |
2200 -2600 |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10?? K?? ) |
8.000 @20-1000℃ |
Melting point ( C ) |
2100.00 |
Specific heat ( J K?? kg?? ) |
850.0 - 900.0 @25℃ |
Thermal conductivity ( W m?? K?? ) |
26.00 - 35.00 @20℃ |
Upper continuous use temperature ( C ) |
1700 |
Electrical Properties(电气特性) |
Dielectric constant |
9.0 - 10.1 |
Dielectric strength ( kV mm?? ) |
10.0 - 35.0 |
Volume resistivity ( Ohmcm ) |
>10??@25℃ |
其他参数
公差
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