Octagonal Zinc Galvanized Teeb pom kev zoo Steel ncej nrog puag phaj thiab ib sab caj npab Khoom sivSiv rau cov khoom siv dav dav hlau GB / T1591-2008, Q235, Q345 siv hauv Suav teb.
Q235 khoom siv rau SS400, ASTM A36. Min Yield Stress 235 Mpa.
Q345 sib npaug rau S355JR. Gr 50. Min Yield Stress 345 Mpa.
Feem ntau peb siv Q235 rau teeb pom kev zoo ncej.
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