Thép hộp chữ nhật 40x60
40 x 60 x 1.8
40 x 60 x 2.0
40 x 60 x 2.5
40 x 60 x 3.0
40 x 60 x 3.5
40 x 60 x 3.8
40 x 60 x 4.0
40 x 80 x 4.5
40 x 80 x 5.0
Mác thép: ss400, S50C, SM490,420, SKD11, Q345, Q235, ….
Tiêu chuẩn: ASTM A106 . A53, API 5L (45TH) B.PSL1……
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