15mnninb belongs rau lub phaj steel yog qhov tsis muaj zog, 15}}}}} kub steel phaj nyob rau hauv rho tawm steel phaj hauv rho tawm 40 degrees ntawm rho 70 Kev tso tsheb hlau loj, feem ntau siv nyob rau hauv kev tsim cov roj av tsis muaj zog, cov khoom siv kub qis}
►Cov cuab yeej siv mennical rau 15mnninbdr siab rau lub nkoj Hlua Steel Phaj:
| Tuab (mm) | |||
| 15mnninbdr | >10 tsawg dua lossis sib npaug rau 16 | >16 tsawg dua lossis sib npaug nrog 36 | > 36 |
| Yield zog (loj dua los yog sib npaug rau MPa) | 370 | 360 | 350 |
| Tensile lub zog (mpa) | 530-630 | 530-630 | 520-620 |
►Tshuaj lom neeg muaj pes tsawg leeg rau 15mnninbdr siab txog ntsha hlau steel phaj (Kev Ntsuam Xyuas Thaum Tshav Kub Kub Max%)
| Cov Khoom Siv Lub Ntsiab Lus Tseem Ceeb ntawm 15mnninBDR Steel phaj | |||||||
| C | Si | Mn | Ni | Nb | P | S | Alt (min.) |
| 0.18 | 0.15-0.50 | 1.20-1.60 | 0.30-0.70 | 0.0015-0.04 | 0.02 | 0.008 | - |
Tsawg - kub steel: siv hauv cov khoom siv ntawm-}}}}}}}}}}}}} kub kev ua tau zoo thiab kev ua haujlwm ntawm vuam ntawm cov hlau. Raws li kev siv cov kub sib txawv, cov hlau loj siv yog tsawg alloy lub zog steel, npib tsib xee thiab siv tshuaj me me stainless.
Tus txheej txheem ua haujlwm ntawm 15mnninBD: Kev siv ntawm tus qauv hauv tebchaws GB / T 3531.
Tus me nyuam lub xeev ntawm 15mnninBDR: Lub xeev cov khoom xa tuaj yog li qub + tempered. PS: Yog tias cov neeg yuav tsum tau lwm lub xeev tshwj xeeb yuav tsum tau teev rau hauv daim ntawv cog lus.
Cov ntim, kos duab thiab khoom zoo ntawm 15mnninBDr: ntim, daim ntawv pov thawj ntawm cov phaj steel yuav tsum tau ua raws li GB / T 247.
15mnnidr steel phaj rau cryogenic lub nkoj tau siv hauv kev tsim cov hlau cryogenic welded trysogen nruj, uas yog ntau dua li cov qauv.
