Black Hollow Tube
Grade
Q195 / Q235 / SS400 / STKR400 / ASTM A500 GR A/B/C
Square Tubes
12MM X 12MM~500MM X 500MM
Rectangle Tubes
10MM X 20MM~ 400MM X 600MM
Round Tubes
10mm-600mm
Thickness
0.75MM~40MM
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