What Are Rectangular Tube and Their Material Grades?

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  • What Are Rectangular Tube and Their Material Grades?

Rectangular Tube Abstract
  • Length : 6000 - 14000 mm
  • Thickness: 1.6mm - 16.0mm
  • Types : Seamless , Welded , ERW
  • Finish: EP, BA, MP, AP
  • Standards: A312 , A500, A358, A554
  • Material : Stainless, Galvanized , Aluminium


Rectangular Tube
Rectangular Tube Abstract

 

 

 

Table Of Content

 

Refer Rectangular Steel Tubing Grades Chart

 

Rectangular Tube Equivalent Grades
America Russia United Kingdom Russia North America Japan Europe
ASTM GOST BS WERKSTOFF NR. UNS JIS EN
SS 304 08Х18Н10 304S31 1.4301 S30400 SUS 304 X5CrNi18-10
SS 316 - 316S31 / 316S33 1.4401 / 1.4436 S31600 SUS 316 X5CrNiMo17-12-2 /
X3CrNiMo17-13-3
SS 316L 03Ch17N14M3 / 03Ch17N14M2 316S11 / 316S13 1.4404 / 1.4435 S31603 SUS 316L X2CrNiMo17-12-2 /
X2CrNiMo18-14-3

 

Chemical Composition of Rectangular Steel Tubing
PIPE GRADES UNS Mn C Cr Ni Mo P Si S
TP316 S3160 2 0.08 16.0-18.0 11.0-14.0 2.0-3.0 0.045 1 0.03
TP304 S30400 2 0.08 18.0-20.0 8.0-11.0 0.045 1 0.03
TP316L S31603 2 0.035 16.0-18.0 10.0-14.0 2.0-3.0 0.045 1 0.03
TP304L S30403 2 0.035 18.0-20.0 8.0-13.0 0.045 1 0.03

 

Steel Rect Tube Mechanical Properties
Material Heat Elongation %, Min Tensile Strength Yield Strength Temperure
Treatment Ksi (MPa), Min. Ksi (MPa), Min. Min.
º F(º C)
TP304 Solution 35 75(515) 30(205) 1900 (1040)
TP316 35 75(515) 30(205) 1900(1040)
TP304L 35 70(485) 25(170) 1900 (1040)
TP316L 35 70(485) 25(170) 1900(1040)

 

Rectangular Tube Specification
Sizes
Sizes
Standard Rectangular Tube Sizes
  • 40mm*20mm - 240*120mm
  • Length : 6000-14000 mm
Wall Thickness
Wall Thickness
Steel Rect Tube Wall Thickness
  • 1.6mm-16.0mm
  • SCH : 5 to XXS
Types
Types
Rectangular Hollow Types
  • Seamless
  • Welded
  • ERW

Types
Types
Rectangular Steel Tubing Stainless Grades
  • 304
  • 316
  • 304L
  • 316L
Finish
Finish
Rectangular Pipe Finish
  • Pickled
  • Mirror Polished
  • Electropolish
  • Bright Annealed
Standards
Standards
Steel Rect Tube Standards
  • A312
  • A358
  • A500
  • A554

Check Rec Tube Advantages and Disadvantages Here


Rectangle Pipe Advantages and Disadvantages
Advantages Disadvantages
Stability not suitable for large scale
Cost-Effectiveness cost is high
Strength AND Durability Torsional Weakness
Corrosion Resistance local buckling
Ease of Fabrication  
Recyclability  
Versatility  
Resistance to Corrosion  

 

Find Steel Rect Tube Sizes Chart


Rectangular Tube Sizes
Size Wall Thickness OD Weight
(Lb/Ft)		 Length
2-1/2" * 1-1/2" * 14ga 14ga 2-1/2 * 1-1/2" 2.164 288.00"
2" * 1-1/2" * 11ga 11ga 2 * 1-1/2" 2.660 288.00"
2" * 1-1/4" * 11ga 11ga 2 * 1-1/4" 2.456 288.00"
2" * 1" * 3/16" 3/16" 2 * 1" 3.230 288.00"
2" * 1" * 14ga 14ga 2 * 1" 1.600 288.00"
1-1/2" * 1" * 11ga 11ga 1-1/2 * 1" 1.844 288.00"
1-1/2" * 1" * 14ga 14ga 1-1/2 * 1" 1.317 288.00"
1-1/2" * 3/4" * 14ga 14ga 1-1/2 * 3/4" 1.176 240.00"
1-1/2" * 3/4" * 16ga 16ga 1-1/2 * 3/4" 0.937 288.00"
1" * 1/2" * 16ga 16ga 1 * 1/2" 0.606 242.00"

 

Find Rectangular Metal Tubing Weight Chart

Metric Rectangular Tubing Weight Chart
Nominal Pipe Sizes Wall Thickness Outside Diameter Weight Weight
Inch MM Inch MM Lbs/feet kg/Meter
48 0.375 9.525 48.000 1219 190.738 284.112
42 0.312 7.925 42.000 1067 138.911 206.914
36 0.250 6.350 36.000 914 95.453 142.180
30 0.250 6.350 30.000 762 79.433 118.318
24 0.250 6.350 24.000 610 63.413 94.456
18 0.219 5.563 18.000 457 41.588 61.948
10 0.188 4.775 10.750 273 21.207 31.588
8 0.188 4.775 8.625 219 16.940 25.233
6 0.188 4.775 6.625 168 12.924 19.252
4 0.237 6.020 4.500 114 10.790 16.073
2 0.154 3.912 2.375 60 3.653 5.441
1/2 0.109 2.769 0.840 21 0.851 1.268
1/2 0.145 3.683 1.900 48 2.718 4.048
1 0.133 3.378 1.315 33 1.679 2.501
3/4 0.113 2.870 1.050 27 1.131 1.684

 

See Galvanized Rectangular Pipe Gauge Chart

Rectangular Steel Tubing Gauge Chart
B.W.G WT 2.000 1.750 1.250 1.000 0.875 0.625
24 0.022 1.956 1.706 1.206 0.956 0.831 0.581
23 0.025 1.950 1.700 1.200 0.950 0.819 0.575
22 0.028 1.944 1.694 1.194 0.944 0.825 0.569
20 0.035 1.930 1.686 1.180 0.930 0.805 0.555
18 0.049 1.902 1.666 1.152 0.902 0.777 0.527
16 0.065 1.870 1.634 1.120 0.870 0.745 0.495
14 0.083 1.834 1.584 1.084 0.834 0.709 0.459
12 0.109 1.782 1.532 1.032 0.782 0.657 0.407
10 0.134 1.732 1.482 0.982 0.732 0.607 0.357

 

Rectangular Tube Price Price

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Rectangular Hollow Section Sizes
Size mm Size mm kg/m kg/m
100 * 50 * 4.0 100 * 50 * 5.0 8.86 10.90
80 * 50 * 4.0 90 * 50 * 3.0 7.34 6.28
80 * 40 * 3.0 80 * 40 * 4.0 5.34 6.97
70 * 50 * 2.5 70 * 50 * 3.0 4.39 5.19
60 * 40 * 2.5 60 * 40 * 3.0 3.71 4.39
50 * 30 * 3.0 50 * 30 * 4.0 3.45 4.46
50 * 25 * 2.0 50 * 25 * 2.5 2.21 2.72
40 * 25 * 2.0 40 * 25 * 2.5 1.89 2.23
40 * 20 * 2.0 40 * 20 * 2.5 1.68 2.03

 

Rectangular Tube Types
ERW Rectangular Tube
ERW Rectangular Tube
Gi Rectangular Tube
Gi Rectangular Tube
Rectangular Hollow Section
Rectangular Hollow Section
2x4 Rectangular Tubing
2x4 Rectangular Tubing
Steel Rect Tube
Steel Rect Tube
Aluminum Rectangular Tubing
Aluminum Rectangular Tubing
Rectangular Box Section
Rectangular Box Section
Rectangular Pipe
Rectangular Pipe
Rectangular Metal Tubing
Rectangular Metal Tubing
2 inch Rectangular Steel Tubing
2 inch Rectangular Steel Tubing

 

Galvanized Rectangular Pipe Thickness Chart
Size (mm) Thickness (mm)
inch mm 1.20 1.60 2.00 2.60 3.60 4.00 4.80 5.40
8*4 200*100 33.72 44.86 55.96 72.52 99.88 110.74 132.32 148.38
5¾*3¼ 145*82 25.46 33.86 42.20 54.63 75.11 83.22 99.29 111.23
4¾*2¾ 122*61 20.49 27.23 33.91 43.86 60.19 66.65 79.41 88.85
3¾*1¾ 96*48 16.06 21.32 26.53 34.26 46.90 51.88 61.69 68.92
3¼*1½ 80*40 13.35 17.71 22.02 28.39 38.78 42.85 50.85 56.73
2½*1½ 60*40 11.10 14.70 18.26 23.51 32.01 35.33 41.83 46.58
2*1 50*25 8.38 11.08 13.73 17.62 23.86 26.28 30.97 34.36
1½*¾ 40*20 6.58 8.68 10.73 13.72 18.46 20.27 23.76 26.25

 

Choosing the Right Rectangular Steel Tubing for your Project
  • Select the Appropriate Size
  • Determine the Tube Type
  • Choose the Right Grade
  • Consider the Shape

 

Aluminum Rectangular Tubing Pressure Rating
AVE. WALL INCHES MIN TENSILE STRENGTH (PSI) MIN YIELD STRENGTH (PSI) WORKING PRESSURE (PSI) 25% OF BURST THEORETICAL BURST PRESSURE * (PSI) COLLAPSE PRESSURE *** (PSI) THEORETICAL YIELD POINT ** (PSI)
1.250 30,000 0.035 4,449 75,000 1,780 1,112
1.250 30,000 0.049 6,380 75,000 2,552 1,595
1.000 30,000 0.035 5,645 75,000 2,258 1,411
1.000 30,000 0.049 8,149 75,000 3,259 2,037
0.750 30,000 0.120 35,294 75,000 14,118 8,824
0.750 30,000 0.049 11,273 75,000 4,509 2,818
0.875 30,000 0.120 28,346 75,000 11,339 7,087
0.625 30,000 0.109 40,172 75,000 16,069 10,043
0.625 30,000 0.020 5,128 75,000 2,051 1,282
0.500 30,000 0.083 37,275 75,000 14,910 9,319
0.500 30,000 0.028 9,459 75,000 3,784 2,365
0.375 30,000 0.065 39,796 75,000 15,918 9,949
0.375 30,000 0.049 26,534 75,000 10,614 6,634
0.250 30,000 0.020 14,286 75,000 5,714 3,571

 

ERW Rectangular Tube Schedule Chart
GAUGE TYPICAL VALUE (INCHES) THICKNESS RANGE(INCHES)
20 0.035 0.031 - 0.035
18 0.049 0.044 - 0.049
16 0.065 0.060 - 0.065
14 0.083 0.075 - 0.085
12 0.109 0.101 - 0.111
10 0.134 0.126 - 0.136
7 0.18 0.175 - 0.185

 

How to Calculate Weight of Rectangular Tube?
Weight of Rectangular Tube

 

Rectangular Box Section Test Certificates
  • Third Party Inspection Report
  • Manufacturer Test Certificate as per EN 10204 / 3.1B
  • 100% Radiography Test Report
  • Raw Materials Certificate

 

Allowable Stress Rectangular Steel Tubing
Minimum UTS (MPa) Minimum Yield Stress (MPa) Axial Stress in Tension (MPa) Shear Stress (MPa) Bending Stress in Tension (MPa) Equivalent Stress (MPa) Bearing Stress (MPa)
450 310 186 140 205 279 232

 

Rec Tubing Tolerance
NPS Designator Permissible Variations in OD
Over In. Under In.
Over 8 to 18, incl 3/23 1/32
Over 4 to 8, incl 1/16
1/8 to 1-1/2, incl 1/64

 

Why Rajendra Steel Centre for Steel Rect Tube?
  • Wide Product Range
  • Uncompromising Quality
  • Customer-Centric Approach
  • Global Presence

 

316 Stainless Steel Rectangular Tubing Applications
316 Stainless Steel Rectangular Tubing Applications

 

Our Products

Following Dimensions Available
  • Pipe acc. to ASTM A999/ A312 from 168.28 to 508.00 mm (NPS 8 -NPS 20) Sch 10S
  • Imperial acc. to ASTM A270 / A269 /A632, DIN 11866 Series C and ASME BPE from 1/8 to 6"
  • Metric acc. to DIN EN 10357 Series A( DIN 11866 Series A ) from 3.00 to 154.00 mm
  • ISO acc. to DIN 11866 Series B and DIN EN ISO 1127 from 13.50 to 219.10 mm (DN 8 - DN 200)

 

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