1. Cov khoom sib npaug ntawm lub teb chaws tus qauv:
Q235A: Cov txiaj ntsig muaj zog ntawm A283 Gr.C (ntau dua lossis sib npaug rau cov khoom siv ntawm 205 ntawm cov khoom siv tsawg thiab nruab nrab.
Lwm cov ntawv thov: Qee qhov chaw muab cov khoom ntawm Q215 thiab Q195, tab sis Q135A yog qhov muaj ntau qhov sib npaug.
2. Tseem ceeb sib piv:
| Lus | A283 Gr.C | Q235A |
|---|---|---|
| paib lub zog | Ntau dua los yog sib npaug rau 205mpa | Ntau dua los yog sib npaug rau 235mpa |
| Lub zog tensile | 380-515 mpa | 370-500 mpa |
| elongation | Ntau dua los yog sib npaug rau 22% | Ntau dua los yog sib npaug rau 25% |
| Lub hom phiaj | ASTM A283 | GB / T 700 |
3. Lwm cov lus pom zoo:
General Cov Qauv Txheej Txheem: Muab kev nyiam rau Q235A, uas muaj cov txheej txheem ua pov thawj thiab tus nqi qis.
Vuam thiab machinery yuav tsum: Rau cov me me (piv txwv li cov khoom siv Q235b (nrog cov kab ua kom tiav los txhim kho kev nruj).
Kev Xaiv Xaiv
Qhov sib txawv hauv cov qauv: Muaj cov sib txawv ntawm cov tshuaj lom neeg (piv txwv li cov qauv sulfur) thiab cov antaws cov qauv, uas yuav tsum tau hloov kho raws li cov haujlwm ua haujlwm tshwj xeeb.
Daim Ntawv Thov Txwv: A283 GrC.c tsim qauv siab feem ntau yog tsawg dua lossis sib npaug, koj yuav tsum paub seb puas muaj qhov system xav tau.
