Cov khoom lag luam
Q235 hlau. Nws yog hom ntawm cov khoom siv steel. Q sawv cev rau cov tawm los ntawm cov khoom no, yog hais txog cov txiaj ntsig ntawm cov khoom siv no los ua tus qauv, Q235B steel phaj yog ib hom ntawm cov roj carbon steel.
Lub teb chaws tus qauv GB / T 700-2006 "carbon cov qauv hlau" muaj lub ntsiab lus meej. Q235b yog ib qho ntawm cov khoom lag luam steel nyob hauv Suav teb. Nws yog pheej yig thiab tuaj yeem siv rau feem ntau cov khoom lag luam uas tsis tas yuav ua tau zoo.
Gnee tau xa tawm tsawg kawg 5-6000 tons ss400 thiab Q235B daim hlau rau txawv teb chaws txhua xyoo. Pls xav tiv tauj peb yog tias koj txaus siab rau SS 400 / Q235B hlau phiaj hlau.
Tshuaj Muaj Tshuaj
| Lub ntsiab | Max (%) | Tsab ntawv |
|---|---|---|
| Carbon (c) | 0.20 | Tsawg cov roj carbon rau ductility |
| Silicon (si) | 0.35 | Deagidizer, txhim kho lub zog |
| Manganese (mn) | 1.40 | Txhim kho cov tawv thiab tawv tawv |
| Sulphur (s) | 0.045 | Impurity txwv |
| Phosphorus (p) | 0.045 | Impurity txwv |
| Chromium (cr) | 0.30 | Pub cov ntsiab lus tseem ceeb |
| Npib tsib caug (ni) | 0.30 | Pub cov ntsiab lus tseem ceeb |
| Tooj Liab (Cu) | 0.30 | Pub cov ntsiab lus tseem ceeb |
Cov Khoom Siv Neeg Kho Tshuab
| Tuab (mm) | Yield zog (mpa) | Tensile lub zog (mpa) | Kev Ntsuas Kev Cuam Tshuam (20 degree, j) |
|---|---|---|---|
| Tsawg dua los yog sib luag rau 16 | Ntau dua los yog sib npaug rau 235 | 370–500 | Ntau dua los yog sib luag rau 27 |
| 16–40 | Ntau dua los yog sib npaug rau 225 | 370–500 | Ntau dua los yog sib luag rau 27 |
| 40–100 | Ntau dua los yog sib npaug rau 215 | 370–500 | Ntau dua los yog sib luag rau 27 |
| 100–150 | Ntau dua los yog sib npaug rau 195 | 370–500 | Ntau dua los yog sib luag rau 27 |
| 150–200 | Ntau dua los yog sib npaug rau 185 | 370–500 | Ntau dua los yog sib luag rau 27 |
Cov Khoom Siv
Q235B muaj qee qib ntawm elongation, lub zog, muaj zog zoo thiab muaj zog, thiab yog ib qho yooj yim rau Stamp thiab Weld. Nws yog dav siv nyob rau hauv kev tsim khoom ntawm cov khoom siv neeg kho tshuab. Mas siv rau kev siv vuam cov qauv sib txuas nrog cov kev ua tau zoo hauv kev tsim kho thiab kev pheej choj engineering.
