Specifications: diameter: 320 to 127 mm thickness: 0.4 to 12.7 mm Length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe

square steel pipe , Rectangular steel tube size


square steel pipe Size

square steel pipe

square steel pipe

Side length
/ Mm
Size allowable deviation / mm Wall thickness t / mm
Theoretical mass
/ (Kg / m)
Cross-sectional area
/ Cm2
Side length
/ Mm
Size Tolerances
Wall thickness
t / mm
Theoretical mass
/ (Kg / m)
Cross-sectional area
/ Cm2
A Ordinary precision Higher accuracy A Ordinary precision Higher accuracy
25 ± 0.60 ± 0.30 1.2 0.867 1.105 80 ± 1.40 ± 0.70 3.0 7.071 9.008
1.5 1.061 1.352 4.0 9.222 11.747
1.75 1.215 1.548 5.0 11.209 14.356
2.0 1.363 1.736 90 ± 1.50 ± 0.75 3.0 8.013 10.208
30 2.5 2.032 2.589 4.0 10.478 13.347
3.0 2.361 3.008 5.0 12.839 16.356
40 ± 0.80 ± 0.40 2.5 2.817 3.589 6.0 15.097 19.232
3.0 3.303 4.208 100 ± 1.60 ± 0.80 4.0 11.734 14.947
5.0 14.409 18.356
4.0 4.198 5.347 6.0 16.981 21.632
50 ± 1.00 ± 0.50 2.5 3.602 4.589 120 ± 1.80 ± 0.90 4.0 14.246 18.147
3.0 4.245 5.408 5.0 17.549 22.356
6.0 20.749 26.432
4.0 5.454 6.947 4.0 26.840 34.191
60 ± 1.20 ± 0.60 2.5 4.387 5.589 140 ± 2.00 ± 1.00 4.0 16.758 21.347
3.0 5.187 6.608 5.0 20.689 26.356
4.0 6.710 8.547
6.0
4.0
24.517
31.864
31.232
40.591
5.0 8.129 10.356 160 ± 2.40 ± 1.20 4.0 19.270 24.547
70 3.0 6.129 7.808 5.0 23.829 30.356
4.0 7.966 10.147 6.0 28.285 36.032
5.0 9.699 12.356 4.0 36.888 46.991

Rectangular steel pipe

Rectangular steel tube

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