Stainless Steel Products

BackHomeProductStainless Steel Products

Stainless Hollow Section

Inquiry Now

Stainless Hollow Section, Stainless Steel Square Tube, Stainless Steel Rectangular Tube

Grade: 304, 304L, 316, 316L, 316Ti, S32101, S32202, S32304, S32205

Standard: ASTM A554

Sizes: 1/2" X 1/2" – 12" X 12" Thickness: 0.035" – 0.12"   ( Square Tube)

Sizes: 1/2" X 1" To 2" X 4" Thickness: 0.035" – 0.12"   ( Rectangular Tube)

Surface:Annealed Pickling, Polishing, Brushed


Stainless Steel Square Tube Outside Diameter Tolerances

Outside Diameter (In/Mm)
OD Tolerance (In/Mm)
To 1 1⁄4 (31.8), Incl 0.015 (0.38)
Over 1 1⁄4 To 2 1⁄2 (31.8 To 63.5), Incl 0.020 (0.51)
Over 2 1⁄2 To 5 1⁄2 (63.5 To 139.7), Incl 0.030 (0.76)
Over 5 1⁄2 To 8 (139.7 To 203.2), Incl 0.060 (1.52)


Stainless Steel Rectangular Tubing Dimension Tolerances
Largest Specified OD Across Flats, 


In.(Mm)
Wall Thickness Across Flats, Convexity Or Concavity, ±
In. Mm In. Mm
To 1 ¼ (31.8), Incl All 0.015 0.38
Over 1 ¼ To 2 ½ (31.8‐63.5), Incl All 0.020 0.51
Over 2 ½ To 5 ½ (63.5‐139.7), Incl All 0.030 0.76
Over 5 ½ To 8 (139.7‐203.2), Incl All 0.060 1.52


Stainless Steel Square Tubing Sizes Chart
Size(Mm) 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.2 1.5 2.0 2.5 3.0 4.0
10X10            
12.7X12.7          
15X15          
19X19          
22X22          
25X25        
30X30          
38X38        
40X40          
50X50            
60X60              
80X80                  
90X90                    
100X100                    
150X150                    


Stainless Steel Rectangular Tubing Size Chart
Size(Mm) 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.2 1.5 2.0 2.5 3.0 4.0
20X10
25X13
30X15
32X16
38X25
50X25
60X30
60X40
75X45
95X45
100X50
120X60
150X100
200X100
125X170