ASTM A36 S235jr Ss400 T37 Kub Rolled Txias Rolled Mild Carbon Standard Steel Chev

Jan 09, 2026 Tso lus

Q: Dab tsi yog daim ntawv thov scenarios ntawm Q355 kauj?

A: Lub tsev steel qauv, txuas hniav, siv tshuab, tsheb tsim, siab hlab ntsha, cov yeeb nkab txhawb nqa, cua zog yees, ntim, thiab lwm yam.

Q: Daim ntawv thov sib txawv ntawm Q355C kauj thiab Q355D kauj yog dab tsi?

A: Q355C yog qhov tsim nyog rau qhov kub thiab txias ua haujlwm siab tshaj 0℃(xws li kev cob qhia, cov khoom txhawb nqa); Q355D yog tsim rau cov cheeb tsam txias tshaj -20℃(xws li cov choj sab qaum teb, sab nraum zoov yees).

Q: Q355 puas tuaj yeem siv rau cov hlab ntsha siab?

A: Q355D/E uas ua tau raws li GB 150 thiab tau dhau qhov kev kuaj pom qhov tsis zoo, kev kho cua sov thiab thib peb- kev tshuaj xyuas tog tuaj yeem siv rau cov hlab ntsha nruab nrab thiab qis, thiab cov khoom siv yuav tsum raug xaiv raws li tus qauv tsim.

Q: Lub Hoobkas tshuaj xyuas cov khoom ntawm Q355 kauj yog dab tsi?

A: Tshuaj muaj pes tsawg leeg, txhua yam khoom (yield zog / tensile lub zog / elongation), cuam tshuam kev xeem, txias dabtsi yog khoov kuaj, seem puab, nto zoo, thiab ultrasonic flaw nrhiav yog tsim nyog.

Q: Dab tsi yog qhov ntsuas qhov tsis zoo ntawm ultrasonic qib Q355 kauj?

A: Raws li daim ntawv cog lus, cov qib sib xws yog Qib I lossis II ntawm GB / T 2970, uas yog siv los txheeb xyuas qhov tsis xws luag.