Q355 steel ke tšepe ea Sechaena e nang le alloy e tlase e matla haholo, e nkileng sebaka sa Q345, boima ba 'mele ke 7.85 g/cm3. Ho latela GB/T 1591 -2018, Q355 e na le maemo a 3 a boleng: Q355B, Q355C le Q355D. "Q" ke lengolo la pele la Pinyin ea Sechaena: "qu fu dian", e bolelang Matla a Hlahiso, "355" ke boleng bo fokolang ba matla a lihlahisoa 355 MPa bakeng sa botenya ba tšepe ≤16mm, 'me matla a thata ke 470-630 Mpa.
Datasheet le Specification
Litafole tse ka tlase li bonts'a database ea thepa ea Q355 le litlhaloso tse joalo ka sebopeho sa lik'hemik'hale, le thepa ea mochini.
Q355 Steel Chemical Composition (Hot rolled)
| Kereiti ea tšepe |
Kereiti ya boleng |
C % (≤) |
Si % (≤) |
Mn (≤) |
P (≤) |
S (≤) |
Cr (≤) |
Ke (≤) |
Cu (≤) |
N (≤) |
| Q355 |
Q355B |
0.24 |
0.55 |
1.6 |
0.035 |
0.035 |
0.30 |
0.30 |
0.40 |
0.012 |
| Q355C |
0.20 |
0.030 |
0.030 |
0.012 |
| Q355D |
0.20 |
0.025 |
0.025 |
- |
Likarolo le Lisebelisoa
Q355 tšepe e na le thepa e ntle ea mochini, e khona ho chesehela hantle, e sebetsa ka mocheso le ho bata 'me e hanyetsana le kutu. E ka sebelisoa ho etsa likepe, li-boilers, likepe tsa khatello, litanka tsa polokelo ea peterole, marokho, lisebelisoa tsa seteishene sa motlakase, mochini o phahamisang lipalangoang le likarolo tse ling tse phahameng tse cheselitsoeng.
