MS Flat Bar/Carbon Steel Flat Bar/Hot rolled steel Flat Bar
1. Litlhaloso tse khethehileng tsa lihlahisoa.Botenya ke 8 ~ 50mm, bophara ke 150-625mm, bolelele ke 5-15m, 'me litlhaloso tsa sehlahisoa li teteaneng, tse ka finyellang litlhoko tsa basebelisi.E ka sebelisoa ka ho toba ho e-na le poleiti e bohareng ntle le ho khaola 'me e ka chesetsoa ka ho toba.
2. Bokaholimo ba sehlahisoa bo boreleli.Mokhoa o phahameng oa khatello ea metsi o sebelisoa ka makhetlo a mabeli ts'ebetsong ho netefatsa hore bokaholimo ba tšepe bo boreleli ebile bo hloekile.
3. Mahlakore a eme, 'me li-rhomboids li hlakile.Li-rolling tse peli tse otlolohileng ha li qeta ho phethoha li netefatsa ho thetheha ho hotle mahlakoreng ka bobeli, likhutlo tse hlakileng, le boleng bo botle ba bokaholimo mahlakoreng.
4. Boholo ba sehlahisoa bo nepahetse, lintlha tse tharo li fapane, phapang ea boemo bo tšoanang e molemo ho feta tekanyo ea tšepe ea tšepe;sehlahisoa se otlolohile mme sebopeho se setle.Ho qeta ho roala ho nka mokhoa o tsoelang pele oa ho bilika le taolo ea othomathike ea looper ho netefatsa hore ha ho tšepe e bokelletsoeng le tšepe e huloang.Sehlahisoa se na le ho nepahala ho phahameng.Mefuta ea mamello, phapang ea lintlha tse tharo, phapang e tšoanang ea strip, bend ea sekele, le liparamente tse ling li betere ho feta poleiti e mahareng.Degree e ntle.Cold-shear cut, ho nepahala ho phahameng ka boholo ba boholo.
5. Thepa ea sehlahisoa e amohela maemo a naha, a tšoanang le tšepe ea tšepe.Litekanyetso tsa boleng le tekheniki li hlophisitsoe ho latela litekanyetso tsa YB / T4212-2010 (Q345B / Q235B e bua ka litekanyetso tsa GB / T1591-94 le GB / T700-06 ka ho latellana)
| Alloy No | Kereiti | Element(%) | ||||
| C
| Mn
| S
| P
| Si
| ||
|
Q235
| B
|
0.12—0.20 |
0.3—0.7 | ≤0.045 |
≤0.045
|
≤0.3
|
| Alloy No | Kereiti | Yielding strength point(Mpa) | Matla a thata (Mpa) | Elongation ka mor'a ho robeha (%) | ||||||
| Botenya (mm) | Botenya (mm) | |||||||||
| ≤16 | ＞16--40 | ＞40--60 | ＞60--100 | ≤16 | ＞16--40 | ＞40--60 | ＞60--100 | |||
| ≥ | ≥ | |||||||||
|
Q235 |
B |
235 |
225 |
215 |
205 |
375-500 | 26 |
25 |
24 |
23 |
