Cov cuab yeej cuab tam rau 1crmor siab txog ntsha hlau:
|
Tuab (mm) |
|||
|
15crmor |
>6 tsawg dua lossis sib npaug rau 60 |
>60 tsawg dua lossis sib npaug rau 100 |
>100 |
|
Yield zog (loj dua los yog sib npaug rau MPa) |
295 |
275 |
255 |
|
Tensile lub zog (mpa) |
450-590 |
440-580 |
|
Tshuaj lom neeg tshuaj lom neeg rau 15crmor siab rau cov hlau (tshuaj ntsuam cua sov Max%)
|
Lub ntsiab siv tshuaj tseem ceeb ntawm 15crmor |
||||||
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
|
0.12-0.18 |
0.15-0.40 |
0.40-0.70 |
0.025 |
0.010 |
0.80-1.20 |
0.45-0.60 |
1. Tus CR-MO muaj pes tsawg leeg tau txais txiaj ntsig cov txiaj ntsig kub?
Teb:
Cov alloy muab:
✔ Txhim Kho Cov Pluag NyiasNtawm nce siab kub
✔ Txhim Kho Oxidation Kuj
✔ Zoo hydrogen embrittlement
✔ Ruaj khov microstructureNyob rau hauv thermal cycling
2. Yuav tsum muaj kev kho kom sov li cas?
Teb:
Kev Ua Haujlwm:
Li no: 880-950 degree
Npau taws: 680-730 degree
Yeem:
Hais Txog Kev Sib Koom Tes Ceev(rau cov tuab tuab)
Simulated Tom Ntej-Weld Kho Kom Sov(Spwht)
3. Dab tsi yog vuam cov txheej txheem yog qhov tseem ceeb?
Teb:
Qhov tseem ceeb coj:
Preheat: 150-200 degree
Cov neeg tau txais kev: GB / T 5117 E6015-B3 lossis sib npaug
Piv txwv: 200-300 degree
Thoob: Yuav tsum tau (680-720℃× 1hr / 25mm)
Hardness tswj: Tsawg dua los yog sib luag rau 225 HB
4. Qhov twg yog 23Crmor feem ntau siv?
Teb:
Thawj cov ntawv thov:
Petroleum Refining Reactors
Cov Nkoj Choling
Kev Kub Siab Tshav Kub Kub Kub Kub
Fais fab tsob nroj boiler nruas
Catalytic Nrib Nrib Teb Chav Nyob
Cim npe nrov: GB 713 15 crmor rau siab ntsha phaj, Tuam Tshoj GB {1} {{1} {1}713 15 crmor rau siab lub nkoj phaj manufacturers, lwm tus neeg, Hoobkas
