B631 Class B (High-Density Press) Material Datasheet
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| Material Number | Material Name | Standard | Standard Status | Country | VDA 231-106 classification | |
|---|---|---|---|---|---|---|
| Class B (High-Density Press) (ASTM B631 : 1993) | B631 Class B (High-Density Press) | ASTM B631 : 1993 | Valid | USA | 4.2 | 1) |
| 1) Remark: Powder-metallurgy silver-tungsten electrical contact material (high-density press). |
Chemical Composition
| Ag [%] | C [%] | Co [%] | Cu [%] | Ni [%] | Remainder | |
|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | 1)2) |
| 1) Source: blur | ||||||
| 2) Remark: blur |
Material Compliance
| REACh | RoHS |
|---|---|
| blur | blur |
Mechanical Properties
| Temperature [°C] | Density [g/cm³] | Hardness HRB | |
|---|---|---|---|
| blur | blur | blur | 1)2) |
| 1) Source: blur | |||
| 2) Remark: blur |
Physical Properties
| Temperature [°C] | Density [g/cm³] | Young's Modulus [GPa] | Mean Coefficient of Thermal Expansion [10^-6*K^-1] | Thermal Conductivity [W/(m*K)] | Specific Electric Conductivity [% IACS] | |
|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | 1)2) |
| 1) Source: blur | ||||||
| 2) Remark: blur |
Cross Reference
| Material Name | Country | Standard |
|---|---|---|
| Silver-tungsten | USA | ASTM B631-93 |
| Ag-W |
Producer/Supplier/Trade names
| Tradename | Supplier |
|---|---|
| NAECODUR | NAECO LLC, Peachtree City |
| WAg | WHS Sondermetalle e.K., Grünsfeld |