Mchanga wa chuma cha pua ni chembe ya pembe ya chuma cha pua. Inaweza kutumika kuchukua nafasi ya aina mbalimbali za abrasive za madini na zisizo za metali, kama vile alumina, kabidi ya silikoni, mchanga wa quartz, shanga za kioo, n.k.
Changarawe ya chuma cha pua hutumika zaidi kwa ajili ya kusafisha uso, kuondoa rangi na kuondoa metali zisizo na feri na bidhaa za chuma cha pua, na kutengeneza ukali wa uso sawa, hivyo inafaa hasa kwa ajili ya matibabu ya awali ya uso kabla ya kupakwa rangi. Ikilinganishwa na vichakavu visivyo vya metali, changarawe ya chuma cha pua husaidia kupunguza gharama za uendeshaji na uzalishaji wa vumbi na kuboresha mazingira ya kazi.
Changarawe ya chuma cha pua ina maisha marefu ya huduma na ufanisi mkubwa wa ulipuaji, kurahisisha mchakato wa ulipuaji, kuokoa gharama, kufikia ubora thabiti wa ulipuaji, ukali na mwonekano sare.
| Mradi | Ubora | |
| Muundo wa kemikali% | Cr | 25-32% |
| Si | 0.6-1.8% | |
| Mn | 0.6-1.2% | |
| S | ≤0.05% | |
| P | ≤0.05% | |
| Ugumu | HRC54-62 | |
| Uzito | >7.00 g/cm3 | |
| Ufungashaji | Kila tani katika Pallet tofauti na kila tani imegawanywa katika pakiti za kilo 25. | |
| Usambazaji wa ukubwa wa chokaa cha chuma cha pua | ||||||||
| Nambari ya skrini | In | Ukubwa wa skrini | G18 | G25 | G40 | G50 | G80 | G120 |
| 14# | 0.0555 | 1.4 | Pasi Zote |
|
|
|
|
|
| 16# | 0.0469 | 1.18 |
| Pasi Zote |
|
|
|
|
| 18# | 0.0394 | 1 | Dakika 75% |
| Pasi Zote |
|
|
|
| 20# | 0.0331 | 0.85 |
|
|
|
|
|
|
| 25# | 0.028 | 0.71 | Dakika 85% | Dakika 70% |
| Pasi Zote |
|
|
| 30# | 0.023 | 0.6 |
|
|
|
|
|
|
| 35# | 0.0197 | 0.5 |
|
|
|
|
|
|
| 40# | 0.0165 | 0.425 |
| Dakika 80% | Dakika 70% |
| Pasi Zote |
|
| 45# | 0.0138 | 0.355 |
|
|
|
|
|
|
| 50# | 0.0117 | 0.3 |
|
| Dakika 80% | Dakika 65% |
| Pasi Zote |
| 80# | 0.007 | 0.18 |
|
|
| Dakika 75% | Dakika 65% |
|
| 120# | 0.0049 | 0.125 |
|
|
|
| Dakika 75% | Dakika 65% |
| 200# | 0.0029 | 0.075 |
|
|
|
|
| Dakika 70% |
