Risasi ya chuma
Muundo wa Kemikali | C | 0.85-1.20% |
Si | 0.40-1.20% | |
Mn | 0.60-1.20% | |
S | ≤0.05% | |
P | ≤0.05% | |
Ugumu | HRC 40-50 | |
Muundo mdogo | Homogeneous Tempered Martensite au Troostite | |
Msongamano | ≥ 7.2g/cm3 | |
Fomu ya nje | Mviringo Chembe tupu<10% |
Usambazaji wa ukubwa
Nambari ya skrini. | Inchi | Ukubwa wa skrini | S70 | S110 | S170 | S230 | S280 | S330 | S390 | S460 | S550 | S660 | S780 | S930 |
6 | 0.132 | 3.35 | Wote kupita | |||||||||||
7 | 0.111 | 2.80 | Wote kupita | |||||||||||
8 | 0.0937 | 2.36 | Wote kupita | ≥90% | ||||||||||
10 | 0.0787 | 2.00 | Wote kupita | Wote kupita | ≥85% | ≥97% | ||||||||
12 | 0.0661 | 1.70 | Wote kupita | ≤5% | ≥85% | ≥97% | ||||||||
14 | 0.0555 | 1.40 | Wote kupita | ≤5% | ≥85% | ≥97% | ||||||||
16 | 0.0469 | 1.18 | Wote kupita | ≤5% | ≥85% | ≥97% | ||||||||
18 | 0.0394 | 1.00 | Wote kupita | ≤5% | ≥85% | ≥96% | ||||||||
20 | 0.0331 | 0.850 | Wote kupita | ≤10% | ≥85% | ≥96% | ||||||||
25 | 0.0280 | 0.710 | ≤10% | ≥85% | ≥96% | |||||||||
30 | 0.0232 | 0.600 | Wote kupita | ≥85% | ≥96% | |||||||||
35 | 0.0197 | 0.500 | ≤10% | ≥97% | ||||||||||
40 | 0.0165 | 0.425 | Pass zote | ≥85% | ||||||||||
45 | 0.0138 | 0.355 | ≤10% | ≥97% | ||||||||||
50 | 0.0117 | 0.300 | ≥80% | |||||||||||
80 | 0.007 | 0.180 | ≥80% | ≥90% | ||||||||||
120 | 0.0049 | 0.125 | ≥90% | |||||||||||
200 | 0.0029 | 0.075 |
Maombi
Usafishaji wa mlipuko: Hutumika kusafisha mlipuko wa kutupwa, kutupwa, kughushi;kuondolewa kwa mchanga wa kutupwa, sahani ya chuma, chuma cha aina ya H, muundo wa chuma.
Uondoaji wa kutu: Kuondolewa kwa kutu ya kutupwa, kutengeneza, sahani ya chuma, chuma cha aina ya H, muundo wa chuma.
Risasi peening: Risasi peening ya gear, sehemu joto.
Mchanga ulipuaji: Mchanga ulipuaji wa chuma cha wasifu, bodi ya meli, bodi ya chuma, nyenzo za chuma, muundo wa chuma.
Matibabu ya awali: Matibabu ya awali ya uso, bodi ya chuma, chuma cha wasifu, muundo wa chuma, kabla ya uchoraji au mipako.
Andika ujumbe wako hapa na ututumie