名称 截面高 截面宽 厚度
TUB20202.0 20 20 2
TUB20202.5 20 20 2.5
TUB25251.5 25 25 1.5
TUB25252.0 25 25 2
TUB25252.5 25 25 2.5
TUB30301.5 30 30 1.5
TUB30302.0 30 30 2
TUB30302.5 30 30 2.5
TUB30302.75 30 30 2.75
TUB40401.5 40 40 1.5
TUB40402.0 40 40 2
TUB40402.5 40 40 2.5
TUB40402.75 40 40 2.75
TUB40403.0 40 40 3
TUB40403.5 40 40 3.5
TUB40403.75 40 40 3.75
TUB40404.0 40 40 4
TUB50501.5 50 50 1.5
TUB50502.0 50