HSS Squares
Measures Thickness Weight
Inch/mm Cal. In. kg/m Kg/pc 12.20 m
4”
101.6 		1/8* 0.125* 9.61 117
3/16 0.187 14.02 171
1/4 0.25 18.17 222
5/16 0.312 22.07 269
3/8 0.375 25.7 314
5”
127.0 		3/16* 0.187* 17.82 217
1/4* 0.250* 23.24 284
5/16* 0.312* 28.39 346
3/8* 0.375* 33.29 406
6”
152.4 		1/8* 0.125* 14.67 179
3/16 0.187 21.62 264
1/4 0.25 28.3 345
5/16 0.312 34.73 424
3/8 0.375 40.89 499
1/2 0.5 52.44 640
8”
203.2 		3/16 0.187 29.11 355
1/4 0.25 38.42 469
5/16 0.312 47.38 578
3/8 0.375 56.08 684
1/2 0.5 72.69 887
10”
254.0 		3/16 0.187 36.8 449
1/4 0.25 48.55 592
5/16 0.312 60.04 732
3/8 0.375 71.28 870
1/2 0.5 92.94 1,134
Square and rectangular structural pipes
Mechanical properties of steel B Grade (gB) C Grade (gC)
Tensile stress, min, psi [MPa] 58,000 [400] 62,000 [425]
Yield stress, min, psi [MPa] 46,000 [315] 50,000 [345]
Elongation in 2” [50 mm] min, % 23 21

*On request. The values ​​shown in the table are for reference. Perfiles LM is not responsible for misinterpretation or variations in said values. For the calculation and/or selection of materials to be used, a calculating engineer is suggested. It is produced off the line under the ASTM A500 standard in grade “B”, at the customer’s request it can be produced in grade “C”.

*If you require square, rectangular or round profiles of different dimensions, thicknesses, lengths or finishes, please contact your sales executive.”

HSS Round
Measures Thickness Weight
Nominal Inch Exterior Inch /mm Cal. In. kg/m kg/pc 12.20 m
4" 4.500”
114.3 		1/8* 0.125* 8.7 106
3/16* 0.187* 12.9 157
6" 6.625”
168.3 		1/8* 0.125* 12.93 158
3/16* 0.187* 19.25 235
1/4 0.25 24.44 298
5/16* 0.312* 31.34 382
3/8* 0.375* 37.27 455
1/2* 0.500* 48.72 594
7" 7.625”
193.7 		1/8* 0.125* 14.91 182
3/8* 0.375* 43.24 528
8" 8.625”
219.1 		3/16 0.187 25.24 308
1/4 0.25 33.3 406
5/16 0.312 41.05 501
0.322 0.322 43.85 535
3/8 0.375 49.21 600
1/2 0.5 64.62 788
10" 10.750”
273.1 		3/16 0.187 30.03 366
1/4 0.25 41.75 509
3/8 0.375 61.89 755
1/2 0.5 81.53 955
12" 12.750”
323.9 		0.219* 0.219* 44.88 547
1/4 0.25 49.71 606
3/8 0.375 73.82 901
1/2 0.5 97.43 1,189
Round structural pipes
Mechanical properties of steel B Grade (gB) C Grade (gC)
Tensile stress, min, psi [MPa] 58,000 [400] 62,000 [425]
Yield stress, min, psi [MPa] 42,000 [290] 46,000 [315]
Elongation in 2” [50 mm] min, % 23 21

*On request. The values ​​shown in the table are for reference. Perfiles LM is not responsible for misinterpretation or variations in said values. For the calculation and/or selection of materials to be used, a calculating engineer is suggested. It is produced off the line under the ASTM A500 standard in grade “B”, at the customer’s request it can be produced in grade “C”.

*If you require square, rectangular or round profiles of different dimensions, thicknesses, lengths or finishes, please contact your sales executive.”

Rectangular HSS
Measures Thickness Weight
Inch/mm Cal. In. kg/m kg/pc 12.20 m
6” x 4”
152.4 x 101.6 		3/16 0.187 17.82 217
1/4 0.25 23.24 284
5/16* 0.312* 28.39 346
3/8 0.375 33.29 406
8”x 3”
203.2 x 76.2 		1/8 0.125 13.59 166
3/16 0.187 20.14 246
1/4* 0.25 26.52 324
5/16* 0.312 32.73 400
8” x 4”
203.2 x 101.6 		3/16 0.187 21.62 264
1/4 0.25 28.3 345
5/16 0.312 34.73 424
3/8 0.375 40.89 499
1/2 0.5 52.44 640
8” x 6”
203.2 x 152.4
10” x 4”
254.0 x 101.6 		3/16 0.187 25.42 310
1/4 0.25 33.36 407
5/16* 0.312* 41.05 501
3/8 0.375 48.48 591
1/2 0.5 62.57 763
10” x 6”
254.0 x 152.4 		3/16 0.187 29.21 356
1/4 0.25 38.42 469
5/16 0.312  47.38 578
3/8 0.375 56.08 684
1/2 0.5 72.69 887
12” x 6”
304.8 x 152.4 		3/16 0.187 33 403
1/4 0.25 43.49 531
5/16* 0.312 53.72 655
3/8 0.375 63.67 777
1/2* 0.5 82.82 1,010
12” x 8”
304.8 x 203.2 		3/16 0.187 36.8 449
1/4 0.25 48.55 592
5/16 0.312 60.04 732
3/8 0.375 71.28 870
1/2 0.5 92.94 1,134
Square and rectangular structural pipes
Mechanical properties of steel B Grade (gB) C Grade (gC)
Tensile stress, min, psi [MPa] 58,000 [400] 62,000 [425]
Yield stress, min, psi [MPa] 46,000 [315] 50,000 [345]
Elongation in 2” [50 mm] min, % 23 21

*On request. The values ​​shown in the table are for reference. Perfiles LM is not responsible for misinterpretation or variations in said values. For the calculation and/or selection of materials to be used, a calculating engineer is suggested. It is produced off the line under the ASTM A500 standard in grade “B”, at the customer’s request it can be produced in grade “C”.

*If you require square, rectangular or round profiles of different dimensions, thicknesses, lengths or finishes, please contact your sales executive.”