A572 Qib 50 yog qhov siab - lub zog, qis} pakoj pains rau hnyav {6 {ua haujlwm siv. Nws cov khoom yog sib piv rau Q345B steel nyob rau hauv Suav GB / T 15 {{{{{{lub zog steel haum rau cov ntawv thov kev tsim qauv.
Tshuaj lom neeg sib xyaw tshuaj sib piv (%)
| Teem nqi | Cax | Mn% | P max | S max | Si max |
|---|---|---|---|---|---|
| A572 GR50 | Tsawg dua los yog sib npaug rau 0.23 | Tsawg dua los yog sib npaug rau 1.35 | Tsawg dua los yog sib npaug rau 0.030 | Tsawg dua los yog sib npaug rau 0.030 | Tsawg dua los yog sib npaug rau 0.40 |
| Q345B | Tsawg dua los yog sib npaug rau 0.20 | 1.00–1.60 | Tsawg dua los yog sib npaug rau 0.040 | Tsawg dua los yog sib npaug rau 0.040 | Tsawg dua los yog sib npaug rau 0.55 |
Cov Khoom Siv Neeg Kho Tshuab Sib Xws
| Teem nqi | Yield zog (mpa) | Tensile lub zog (mpa) | Elongation% (200mm) | Elongation% (50 hli) |
|---|---|---|---|---|
| A572 GR50 | 345 | 450 min | 18 | 21 |
| Q345B | 345 | 470–630 | 22 | 22 |
Cov Ntawv Thov
H - Beams ua los ntawm A572 Qib 50 lossis Q345b yog feem ntau siv nyob rau hauv:
Txuas hniav, txoj kev loj, thiab cov tsev muaj kev lag luam
Hnyav Cov Machinery Thiab Cov Qauv Txheej Txheem
Cov qauv hlau uas yuav tsum muaj lub zog siab, kav ntev, thiab cuam tshuam tsis kam
Gnee Steel tuaj yeem muab A572 qib 50 thiab Q345B 50- ci hauv ntau qhov chaw ua haujlwm. Tiv tauj peb yog xav paub ntxiv lossis cov lus nug nqe.
