H-section Steel
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Category:
Standard Length 6 Meters (As per customer’s requirement)
Material Grade 1 (TATA Steel, JSW Steel & SAIL)
Grade 2 (Commercial)
Minimum Order Quantity 10 Metric Tons
Surface Finish Black or GI
Thickness 1.20mm to 9mm
Nominal Diameter 15 – 500mm (1/2″ to 20″ inch)
Thickness tolerances -10%
  • Grade 1 steel pipes are bendable pipe
  • Grade 2 steel pipes are mainly used for structural works (like welding works, shed works, etc.)

Nominal Diameter 1/2 to 6 Inches (15 to 150mm)

The chart below shows the pipe size, thickness, and weight for pipes and tubes of nominal diameter 1/2 to 6 inches (15 to 150mm).

Note:

  • GI Pipe Weight = Chart Weight + 5%
  • Weight in Kg
  • The inch measurements are approximate and should only be used for reference
Nominal Bore OD Thickness
mm inch mm 1.20 1.40 1.60 1.80 2.00 2.30 2.60 2.90 3.20 3.60 4.00 4.30 4.50 4.80 5.00 5.40
15 1/2” 21.30 3.57 4.12 4.66 5.19 5.71 6.47 7.19 7.90 8.57
20 3/4” 26.90 4.56 5.28 5.99 6.69 7.37 8.37 9.35 10.30 11.22
25 1” 33.70 5.77 6.69 7.60 8.50 9.38 10.69 11.96 13.22 14.44 16.03 17.58
32 1 1/4” 42.40 7.32 8.49 9.66 10.81 11.96 13.65 15.31 16.95 18.56 20.67 22.73
40 1 1/2” 48.30 8.36 9.72 11.06 12.39 13.70 15.66 17.58 19.48 21.35 23.81 26.22
50 2” 60.30 10.49 12.20 13.90 15.58 17.25 19.74 22.20 24.63 27.04 30.20 33.32 35.63 37.16 39.42
65 2 1/2” 76.10 13.30 15.47 17.64 19.79 21.93 25.12 28.28 31.41 34.52 38.62 42.67 45.68 47.68 50.64
80 3” 88.90 15.57 18.13 20.67 23.20 25.72 29.47 33.20 36.90 40.58 45.44 50.25 53.83 56.20 59.73
100 4” 114.30 20.08 23.39 26.68 29.96 33.23 38.12 42.97 47.80 52.61 58.97 65.28 69.99 73.11 77.77 80.87 87.01
125 5” 139.70 24.59 28.65 32.70 36.73 40.75 46.76 52.75 58.70 64.63 72.50 80.32 86.15 90.02 95.81 99.66 107.31
150 6” 165.10 29.10 33.91 38.71 43.49 48.27 55.41 62.52 69.60 76.66 86.03 95.35 102.31 106.94 113.85 118.45 127.61

Based on wall thickness IS 1239 (Part 1) classifies steel tubes in 3 classes: Light or Class A, Medium or Class B and Heavy or Class C. The classes in the table above have been highlighted for your easy understanding.

  1. Light tubes – Yellow
  2. Medium tubes – Blue
  3. Heavy tubes – Red

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