Alloy, MK-403
Copper DP-87 (D-87)
Solder ПДОл5П7 (ППМОФ 5-5)
Alloy MK-5
Alloy MK-403
Brass LPSv80-1-84 (LSv80-1-84)
Brass LPSv80-1-78 (LSv80-1-78)
Brass LP80-84 (L80-84)
Brass LP80-82 (L80-82)
Brass LP80-78 (L80-78)
Copper DP-80 (D-80)
Alloy BS-1
BrCr bronze
Bronze BrPO10-86
Bronze BrPO10-77
Bronze БрА8,5Ж1,5Н5Мц1,5 (БрАЖНМц8,5-1,5-5-1,5)
Alloy BMK-1
Alloy 263
Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | МК-403 |
| Designation GOST Latin | MK-403 |
| Transliteration | MK-403 |
| The chemical elements | CuCo-403 |
Description
Alloy MC-403 is used: for the manufacture of friction pads intended for operation in friction units of machines and transfer devices operating in the oil when sliding speed up to 45 m/sec and pressure on the friction surfaces up to 45 kg/cm2.
Note
Sintered friction material based on copper.
Standards
| Name | Code | Standards |
|---|---|---|
| Solid alloys, metal-ceramic products and powders, metal | В56 | TU 14-1-1291-75 |
Chemical composition
| Standard | Fe | Cu | Zn | Pb |
|---|---|---|---|---|
| TU 14-1-1291-75 | 3-5 | The rest | 9-11 | 6-10 |
Cu is the basis.
In the sintered material MK-403 according to TU 14-1-1291-75, in addition to the above components, graphite is present in an amount of 1.0-3.0% and talc in the amount of 4.0-8.0%.
In the sintered material MK-403 according to TU 14-1-1291-75, in addition to the above components, graphite is present in an amount of 1.0-3.0% and talc in the amount of 4.0-8.0%.
Technological properties
| Name | The value |
|---|---|
| Microstructure | On the other 14-1-1291-75 the microstructure of the sintered material is a solid solution of zinc in copper with inclusions of graphite, talc, iron, lead, and then uniformly distributed across the section. |
| Features of production | The hardness of the sintered material on the other 14-1-1291-75 should be in the range of 15-55 kg/mm2. |
