Litlhoko tsa Sebopeho sa Lik'hemik'hale,%,
C: ≤0.30
Mohl: 0.29-1.06
P: ≤0.025
S: ≤0.025
Boemo: ≥0.10
Ke: ≤0.40
Kr: ≤0.30
Ke: ≤0.40
V: ≤0.08
Nb: ≤0.02
MO: ≤0.12
*Liteng tsa manganese li ka eketsoa ka 0.05% bakeng sa phokotso e ngoe le e ngoe ea 0.01% ea khabone ho fihla ho 1.35%.
**Likahare tsa Niobium, tse ipapisitseng le tumellano, li ka eketsoa ho fihla ho 0.05% bakeng sa tlhahlobo ea ho qhibiliha le 0.06% bakeng sa tlhahlobo ea sehlahisoa se felileng.
Litlhoko tsa phekolo ea mocheso:
1. Tloaela ho feta 815°C.
2. Tloaela ho feta 815 ° C, ebe u halefa.
3. Ho chesa ho thehoa pakeng tsa 845 le 945 ° C, ebe ho pholile ka sebōping ho feta 845 ° C (bakeng sa li-tubes tse se nang moeli feela).
4. E entsoe ka mochini, 'me e be e halefisitsoeng joalo ka kaholimo ho Ntlha ea 3.
5. E thatafalitsoe ebe e futhumatsoa ka holimo ho 815°C.
Litlhoko tsa ts'ebetso ea mochini:
Matla a tlhahiso: ≥240Mpa
Matla a khoheli: ≥415Mpa
Elongation:
| Mohlala | A333 GR.6 | |
| E otlolohileng | Phatlalatso | |
| Bonyane ba boleng ba selikalikoe se tloaelehilengmohlala kapa mohlala o monyenyane o nang le sebaka se tšoaeang sa 4D | 22 | 12 |
| Mehlala ea khutlonnetsepa e nang le botenya ba lebota ba 5/16 in. (7.94 mm) le ho feta, le mefuta eohle e menyenyane e lekiloengkarohano e felletseng ka 2 in. (50 mm)matshwao | 30 | 16.5 |
| Mehlala ea khutlonnetsepa ho fihla ho 5/16 in. (7.94 mm) botenya ba lebota ho 2 in. (50 mm) sebaka se tšoaeang (sepehelo sa bophara ba 1/2 in., 12.7 mm) | A | A |
A Lumella phokotso ea 1.5% ea bolelele ba longitudinal le phokotso ea 1.0% ea bolelele bo fapaneng bakeng sa karolo e 'ngoe le e 'ngoe ea 1/32 in. (0.79 mm) ea botenya ba lerako ho fihla ho 5/16 in.
Teko ea Tšusumetso
Mocheso oa Teko: -45°C
Ha ho sebelisoa lipapiso tse nyane tsa Charpy mme bophara ba notch ea mohlala bo ka tlase ho 80% ea botenya ba 'nete ba thepa, mocheso o tlase oa tšusumetso o lokela ho sebelisoa joalo ka ha o baloa ho Lethathamo la 6 la litlhaloso tsa ASTM A333.
| Mohlala, mm | Bonyane karolelano ea disampole tse tharo | Bonyane ba boleng ba one of mehlala e meraro |
| 10 × 10 | 18 | 14 |
| 10 × 7.5 | 14 | 11 |
| 10 × 6.67 | 12 | 9 |
| 10 × 5 | 9 | 7 |
| 10 × 3.33 | 7 | 4 |
| 10 × 2.5 | 5 | 4 |
Liphaephe tsa tšepe li lokela ho hlahlojoa ka mokhoa oa hydrostatically kapa o sa senyeheng (eddy current kapa ultrasonic) motheong oa lekala-ka-kala.
Mamello ea bophara bo ka ntle ba phala ea tšepe:
| Bophara ba ka ntle, mm | mamello e ntle, mm | mamello e mpe, mm |
| 10.3-48.3 | 0.4 | 0.4 |
| 48.3＜D≤114.3 | 0.8 | 0.8 |
| 114.3＜D≤219.10 | 1.6 | 0.8 |
| 219.1＜D≤457.2 | 2.4 | 0.8 |
| 457.2＜D≤660 | 3.2 | 0.8 |
| 660＜D≤864 | 4.0 | 0.8 |
| 864＜D≤1219 | 4.8 | 0.8 |
Mamello ea botenya ba lebota ea pipe ea tšepe:
Ntlha efe kapa efe ha e na ho ba ka tlase ho 12.5% ea botenya ba lebota bo ikhethileng.Haeba bonyane botenya ba lebota bo laetsoe, ha ho ntlha e tla ba ka tlase ho botenya ba lebota bo hlokahalang.
Nako ea poso: Feb-22-2024