Xov xwm

ASTM A36 sawv tawm raws li qhov kev xaiv tseem ceeb rau kev siv me me thiab kub dov steel.

Q345 vs Q355: Dab tsi yog qhov txawv?

Cov khoom sib npaug ASTM rau Q355B steel yog ASTM A572 Qib 50.

Qib Q355 steel

Q355 steel khoom

Q355 yog Suav cov qauv steel qib uas piv rau Q345 tab sis muaj lub zog zoo dua.

Q235 yog ib qho yooj yim carbon structural steel uas yog siv thoob plaws hauv Suav teb.

Hais txog A992 Kuv Beam

I-beam, tseem hu ua H-beam (H-shaped steel beam), yog ib qho khoom siv hlau uas muaj "H"-zoo li tus ntoo khaub lig-section, yog li lub npe.

Vim li cas I-Beam Stronger dua ib lub Beam Solid?

Yog vim li cas I-Beam Stronger dua ib tug Beam khoom

Yog vim li cas I-Beam Stronger dua ib tug Beam khoom