15mo3 steel tshuaj muaj pes tsawg leeg
| Teem nqi | C. Max | Mn. | S. | N | CU | Si. | P. | Cr. | Ni. | Mo. |
| 15mo3 | 0.12- 0.2 | 0.40- 0.90 | 0.01 | 0.012 | 0.30 | 0.35 | 0.025 | 0.30 | 0.30 | 0.25- 0.35 |
15mo3 steel hlau propertites
| Teem nqi | Tensile lub zog (mpa) | Yield zog (mpa) | Elongation nyob rau hauv 100-150 hli (%) | Elongation nyob rau hauv 16 hli (%) | Max Thickness (hli) |
| 15mo3 | 440-590 | 220-275 | 19 | 24 | 250 |
1. Yuav ua li cas ua Molybenum cov ntsiab lus (0.25-0.35%) cov txiaj ntsig txiaj ntsig?
Teb:
Lub Molybdenum Ntxiv muab:
✔ Txhim Kho Cov Pluag NyiasNtawm nce siab kub
✔ Txhim kho microstration kev ruaj khovNyob rau hauv thermal cycling
✔ Zoo dua hydrogen embrittlement
✔ Nce lub zog khaws ciasaum toj 400 degree
2. Yuav tsum muaj kev kho kom sov li cas?
Teb:
Kev Ua:
Li no(900-950 degree) rau txhua qhov thicknesses
Yeem Tempering (580-680°C) for thickness >50 hli
Hais Txog Kev Sib Koom Tes Ceev(600-650 degree) rau cov ntawv thov tseem ceeb
3. Dab tsi yog vuam cov txheej txheem pom zoo?
Teb:
Qhov tseem ceeb vuam cov kev coj ua:
Preheat: 150-200°C (for t>15 hli)
Cov neeg tau txais kev: DIN 8556 E MO 2 0} lossis sib npaug
Cov tswv yim tshav kub: 1.8-3.0 KJ / hli
Piv txwv: Tsawg dua lossis sib npaug nrog 300 degree
Thoob: Yuav tsum tau (650-680℃× 1hr / 25mm)
4. Qhov twg yog 15mo3 feem ntau teev?
Teb:
Thawj cov ntawv thov:
Fais fab tsob nroj boiler nruas(Tsawg dua los yog sib npaug rau 525 degree)
Kev Kub Siab Tshav Kub Kub Kub Kub
Petroleum Refining Khoom
Cov Piping Piping
Hydrogen Service Nkoj
Piv lub rooj
| Teem nqi | Mo cov ntsiab lus | Max temp | Cov Qauv Txheej Txheem |
|---|---|---|---|
| 15mo3 | 0.25-0.35% | 525 Qib | En 10028-2 16 mo3 |
| 13Crmo4-5 | 0.45-0.65% | 550 Qib | ASTM A387 GR.12 |
| 10Cro9-10 | 0.90-1.10% | 600 degree | ASME SA387 GR.22 |
Cim npe nrov: Din 17155 15 mo3 rau siab ntsha phaj phaj, Tuam Tshoj Din {}} mo3 rau siab hlab ntsha phaj, cov chaw muag khoom, Hoobkas
