Stainless Steel Square & Rectangular Tube
Square Tube has a cross-section with equal width and height, while Rectangular Tube has a cross-section with differing widths and heights.
Stirlings stocks a range of Square and Rectangular Tube in Austenitic Grades 304 and 316 manufactured to ASTM A554.
Square Tube is available in Wall Thicknesses 1.2mm, 1.5mm, 1.6mm, 2.0mm, 3.0mm, 4.0mm, 5.0mm and 6.0mm in sizes from 12.70mm x 12.70mm to 200.0mm x 200.0mm.
In addition, Rectangular Bar in sizes from 40.0mm x 12.0mm x 1.6mm to 200.0mm x 100.0mm x 5.0mm.
Also, Rectangular Flat Bar in sizes from 50.0mm x 10.0mm x 1.5mm to 40.0mm x 10.0mm x 1.6mm.
Everything currently in stock is specified in the tables below.
Square and Rectangular Tube is available in the following finishes:
Unpolished (mill finish)
180# grit polish
320# grit polish
400# grit polish
Mirror finish
● Stocked Item ○ Market Available
Anything not currently in stock/Market Available can be obtained via indent.
Square Sections | 304 | 304 | Weight | ||
---|---|---|---|---|---|
Wall | Size | #180 Grit | Mirror | kg/ mtr | |
TS304 | TS304+MP | ||||
1.2 | 12.7 x 12.7 | ● | ○ | 0.441 | |
15.88 x 15.88 | ○ | ○ | 0.631 | ||
19.05 x 19.05 | ● | ○ | 0.673 | ||
22.22 x 22.22 | ● | ○ | 0.883 | ||
25.4 x 25.4 | ● | ○ | 0.824 | ||
31.8 x 31.8 | ● | ○ | 1.085 | ||
38.1 x 38.1 | ● | ○ | 1.440 | ||
50.8 x 50.8 | ● | ○ | 1.900 | ||
1.5 | 12.0 x 12.0 | ○ | ○ | 0.55 | |
12.7 x 12.7 | ○ | ○ | 0.55 | ||
15.0 x 15.0 | ○ | ○ | 0.90 | ||
19.0 x 19.0 | ○ | ○ | 1.17 | ||
25.4 x 25.4 | ○ | ○ | 1.552 | ||
31.8 x 31.8 | ○ | ○ | 1.849 | ||
38.1 x 38.1 | ○ | ○ | 1.875 | ||
50.8 x 50.8 | ○ | ○ | 2.489 | ||
1.6 | 12.7 x 12.7 | ● | ○ | 0.670 | |
19.05 x 19.05 | ● | ○ | 1.174 | ||
22.22 x 22.22 | ○ | ○ | 1.396 | ||
25.4 x 25.4 | ● | ○ | 1.552 | ||
31.8 x 31.8 | ● | ○ | 1.849 | ||
38.1 x 38.1 | ● | ● | 1.875 | ||
50.8 x 50.8 | ● | ○ | 2.489 | ||
60.0 x 60.0 | ● | ○ | 3.058 | ||
80.0 x 80.0 | ● | ○ | 4.078 | ||
2.0 | 25.4 x 25.4 | ● | ○ | 1.470 | |
31.8 x 31.8 | ● | ○ | 1.890 | ||
38.1 x 38.1 | ● | ○ | 2.350 | ||
50.8 x 50.8 | ● | ○ | 3.400 | ||
3.0 | 25.4 x 25.4 | ● | ○ | 2.100 | |
38.1 x 38.1 | ● | ○ | 3.300 | ||
40.0 x 40.0 | ● | ○ | 3.400 | ||
50.8 x 50.8 | ● | ○ | 4.480 | ||
60.0 60.0 | ● | ○ | 5.491 | ||
80.0 x 80.0 | ● | ○ | 7.300 | ||
100.0 x 100.0 | ● | ○ | 9.600 | ||
150.0 x 150.0 | ● | ○ | 13.760 | ||
4.0 | 50.0 x 50.0 | ● | ○ | 6.000 | |
5.0 | 100.0 x 100.0 | ● | ○ | 14.820 | |
150.0 x 150.0 | ● | ○ | 22.620 | ||
6.0 | 200.0 x 200.0 | ● | ○ | 36.320 |
Square Sections | 316 | 316 | 316 | 316 | Weight | ||
---|---|---|---|---|---|---|---|
Wall | Size | Mill | #180 Grit | #320 Grit | Mirror | kg/mtr | |
TS316 | TS316+P | TS316+P | TS316+MP | ||||
1.2 | 12.7 x 12.7 | ○ | ● | ○ | ○ | 0.441 | |
15.88 x 15.88 | ○ | ○ | ○ | ○ | 0.631 | ||
19.05 x 19.05 | ○ | ○ | ○ | ○ | 0.673 | ||
22.22 x 22.22 | ○ | ○ | ○ | ○ | 0.883 | ||
25.4 x 25.4 | ○ | ○ | ○ | ○ | 0.824 | ||
31.8 x 31.8 | ○ | ○ | ○ | ○ | 1.085 | ||
38.1 x 38.1 | ○ | ○ | ○ | ○ | 1.440 | ||
50.8 x 50.8 | ○ | ○ | ○ | ○ | 1.900 | ||
1.5 | 12.0 x 12.0 | ○ | ○ | ○ | ● | 0.55 | |
12.7 x 12.7 | ○ | ● | ○ | ○ | 0.55 | ||
15.0 x 15.0 | ○ | ○ | ○ | ● | 0.90 | ||
19.0 x 19.0 | ○ | ○ | ○ | ● | 1.17 | ||
25.4 x 25.4 | ○ | ○ | ○ | ● | 1.552 | ||
31.8 x 31.8 | ○ | ○ | ○ | ● | 1.849 | ||
38.1 x 38.1 | ○ | ○ | ○ | ● | 1.875 | ||
50.8 x 50.8 | ○ | ○ | ○ | ● | 2.489 | ||
1.6 | 12.7 x 12.7 | ○ | ○ | ○ | ○ | 0.670 | |
19.05 x 19.05 | ○ | ○ | ○ | ○ | 1.174 | ||
22.22 x 22.22 | ○ | ○ | ○ | ○ | 1.396 | ||
25.4 x 25.4 | ○ | ● | ○ | ○ | 1.552 | ||
31.8 x 31.8 | ○ | ● | ○ | ○ | 1.849 | ||
38.1 x 38.1 | ○ | ● | ○ | ○ | 1.875 | ||
50.8 x 50.8 | ○ | ● | ○ | ○ | 2.489 | ||
60.0 x 60.0 | ○ | ○ | ○ | ○ | 3.058 | ||
80.0 x 80.0 | ○ | ○ | ○ | ○ | 4.078 | ||
2.0 | 25.4 x 25.4 | ○ | ○ | ○ | ○ | 1.470 | |
31.8 x 31.8 | ○ | ○ | ○ | ○ | 1.890 | ||
38.1 x 38.1 | ○ | ○ | ○ | ○ | 2.350 | ||
50.8 x 50.8 | ○ | ○ | ○ | ○ | 3.400 | ||
3.0 | 25.4 x 25.4 | ○ | ○ | ○ | ○ | 1.470 | |
38.1 38.1 | ○ | ● | ○ | ○ | 3.300 | ||
50.8 x 50.8 | ● | ○ | ● | ● | 4.480 | ||
60.0 60.0 | ○ | ○ | ○ | ○ | 5.491 | ||
80.0 x 80.0 | ● | ○ | ● | ● | 7.300 | ||
100.0 x 100.0 | ● | ● | ● | ○ | 9.60 | ||
150.0 x 150.0 | ○ | ○ | ○ | ○ | 13.760 | ||
4.0 | 50.0 x 50.0 | ○ | ○ | ○ | ○ | 6.000 | |
5.0 | 80.0 x 80.0 | ○ | ● | ○ | ○ | 11.700 | |
100.0 x 100.0 | ○ | ● | ○ | ○ | 14.820 | ||
150.0 x 150.0 | ○ | ● | ○ | ○ | 22.620 | ||
6.0 | 200.0 x 200.0 | ○ | ○ | ○ | ○ | 36.320 |
Rectangular Tube
Size | Grade | |||||||
304 | 304 | 316 | 316 | 316 | 316 | 316 | WT | |
#180 |
#320 | #180 | #320 | #400 | Mirror | Mill | kg/ | |
Grit | Grit | Grit | Grit | Grit | Finish | mtr | ||
TSB304 | TSB304 | TSB316 | TSB316 | TSB316 | TSB316 | TSB316 | ||
40 x 20 x 1.6 | ○ | ● | ○ | ○ | ○ | ○ | ○ | 1.42 |
50 x 25 x 1.5 * | ○ | ○ | ○ | ○ | ○ | ● | ○ | 1.90 |
50 x 25 x 1.6 * | ● | ○ | ● | ○ | ○ | ○ | ○ | 1.90 |
50 x 25 x 3.0 * | ○ | ○ | ○ | ○ | ● | ○ | ○ | 3.30 |
60 x 40 x 1.5 | ○ | ○ | ○ | ○ | ○ | ● | ○ | 1.90 |
60 x 40 x 2.0 | ○ | ○ | ○ | ○ | ○ | ● | ○ | 4.50 |
65 x 38 x 3.0 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | 5.42 |
75 x 25 x 1.6 | ○ | ○ | ○ | ● | ○ | ○ | ○ | 2.42 |
80 x 40 x 1.5 | ○ | ○ | ○ | ○ | ○ | ● | ○ | 3.00 |
80 x 40 x 1.6 | ● | ○ | ○ | ○ | ○ | ○ | ○ | 3.05 |
80 x 40 x 3.0 | ● | ○ | ○ | ● | ○ | ○ | ● | 5.58 |
100 x 50 x 3.0 | ○ | ● | ○ | ● | ○ | ○ | ● | 7.36 |
100 x 50 x 5.0 | ● | ○ | ○ | ○ | ○ | ○ | ○ | 10.80 |
150 x 75 x 5.0 | ● | ○ | ○ | ○ | ○ | ○ | ○ | 16.77 |
150 x 100 x 5.0 | ● | ○ | ● | ○ | ○ | ○ | ○ | 18.72 |
200 x 100 x 3.0 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | 13.76 |
200 x 100 x 5.0 | ● | ○ | ● | ○ | ○ | ○ | ○ | 22.62 |
"Flat" Rectangular Tube Section
Manufactured to ASTM A554 Available in welded grade 316 # 600 grit polish
Size | Grade | Grit | Availability | |
TSB31615050010P | 50 x 10 x 1.5mm | 316 | 316 Mirror Finish | ● |
TSB31617050010P | 70 x 10 x 1.5mm | 316 | #600 | ● |
TSB31615050010 | 50 x 10 x 1.5mm | 316 | #320 | ● |
TSB30416040010P | 40 x 10 x 1.6mm | 304 | #320 | ● |