Muundo wa Kemikali
MIUNDO YA KIKEMIKALI(%) | ||||||||||||
C | Si | Mn | P | S | Cr | Mo | V | Ni | Nyingine | |||
0.38-0.45 | 0.17-0.37 | 0.50-0.80 | ≤0.035 | ≤0.035 | 0.90-1.20 | 0.15-0.25 | - | - | - | |||
Daraja la chuma | ||||||||||||
GB T 3077-1988 | JIS G4103-4105 | ASTM A29 | ISO | |||||||||
20Kr | SCr240 | 5120 | A20202 | |||||||||
30Kr | SCr430 | 5130 | A20302 | |||||||||
35Kr | SCr435 | 5135 | A20352 | |||||||||
40Kr | SCr440 | 5140 | A20402 | |||||||||
50CrV | SUF10 | 6150 | - | |||||||||
20CrMo | SCM420 | 4118 | A30202 | |||||||||
30CrMo | SCM430 | 4130 | A30302 | |||||||||
35CrMo | SCM435 | 4135 | A30352 | |||||||||
42CrMo | SCM440 | 4140 | A30422 |
Mali ya Mitambo
Daraja la chuma | Nguvu ya mkazo (ob/MPa) | Sehemu ya mavuno (cb/MPa) | Kurefusha (05/%) | Kupunguza eneo (W%) | Nishati ya kufyonza athari (Aku2/J) | Ugumu wa Brinell (HBS100/3000) Kupunguza joto au Kuongeza joto |
20 Kr | 835 | 540 | 10 | 40 | 47 | 179 |
30 Kr | 885 | 685 | u | 45 | 47 | 187 |
35 Kr | 930 | 735 | ii | 45 | 47 | 207 |
40 Kr | 980 | 785 | 9 | 45 | 47 | 207 |
50 CrV | 1274 | 1127 | 10 | 40 | - | - |
20 CrMo | 885 | 685 | 12 | 50 | 78 | 197 |
30 CrMo | 930 | 785 | 12 | 50 | 63 | 229 |
35 CrMo | 980 | 835 | 12 | 45 | 63 | 229 |
42 CrMo | 1080 | 930 | 12 | 45 | 63 | 217 |
Vipengele vya Bamba la Aloi ya chuma
Bamba la Chuma cha Aloi inayotolewa na sisi ina baadhi ya vipengele bora ambayo inafanya kuwa chaguo preferred.
● Uso Unaostahimili Kutu
● Nguvu ya Juu
● Uimara Bora
● Nguvu Bora ya Kukaza
● Ugumu Bora
Utumiaji wa Bamba la Aloi ya Chuma
Aloi ya miundo ya chuma yenye ugumu wa kufaa, baada ya matibabu sahihi ya chuma ya joto, muundo mdogo ni sorbite yenye homogeneous, bainite au laini sana ya pear lite, hivyo ina nguvu ya juu ya mkazo na ilionyesha (karibu 0.85), ugumu wa juu na nguvu ya uchovu, na ductile ya chini ya brittle. joto la mpito, inaweza kutumika katika utengenezaji wa sehemu ya ukubwa sehemu kubwa ya mashine.
Jindalai huuza Bamba la Chuma la Aloi kwenda Saudi Arabia, UAE, Bahrain, Peru, Nigeria, Jordan, Muscat, Kuwait, Dubai, Thailand (Bangkok), Venezuela, Ujerumani, Kanada, Urusi, Australia, Vietnam, Kazaksthan, Jiddah, Libya, Yemen, Algeria, Qatar, Oman, Iran n.k.