W Flange
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Kub Dov ASTM A36/A992/A572 Qib 50 W4x13 Hlau Beam Cov Qauv Hlau Dav Dav Flange H-Beam
W Beam yog ib qho phab ntsa nyias nyiasH-beam dav-flange, ua tsaug rau qhov nws siv dav hauv cov thav duab tsev, cov khoom siv txhawb nqa thiab cov qauv hlau sib zog vim nws txoj kev tiv taus khoov siab thiab tsim qauv me me.