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IS 4923 YST 310

YST 310 Cold Formed RHS, IS 4923 YST 310 Cold Formed Rectangular Tube, Cold Formed IS 4923 YST 310 Seamless Rectangular Hollow Section, IS-4923 YST 310 CF RHS.

Black steel with lengths ranging from 3 to 60 meters is used to make Hot Finish IS4923 YST310 Square Hollow Section. Its nominal size ranges from 34 inches to more than 10 inches, and its diameter ranges from 12 inches to 10 inches. It comes in 3 m, 6 m, and longer lengths upon request. These days, it may be bought in various shapes or varieties and has ISO certification for square hollow sections. Several producers are available online and offline to market these useful goods to repeat customers. Global quality standards determine the requirements for this square hollow section. This hollow portion passes several tests, including independent third-party inspection, x-ray, ultrasonic, flaring, chemical, and mechanical testing. It is tested in accredited labs to ensure its perfection and premium quality. The product offers a variety of qualities, including excellent quality, easy installation, high tolerance, good conductivity, and high tensile strength. It is also fire-resistant and non-corrosive. It can survive any weather, even hot and humid conditions. 

The IS 4923 YST 310 rectangular hollow section methods guarantee that Consumers may utilize it in many sectors, such as transporting fluid from one location to another, in a well-organized manner. The hollow sections convey gas, air, water, and steam and come in nominal bore (NB) diameters ranging from 6 mm to 150 mm. These hollow sections have several sizes and forms, including elliptical, triangular, oval, octagonal flat-oval, super enormous, and giant sizes. The sections' uniformly smooth shape reduces corrosion while facilitating simple on-site processing to improve the structure's appearance significantly. The rectangular hollow section features a strong standard, is easy to attach, and requires little maintenance. The Hollow Section's outside diameters range from 0.5 mm to 1 mm. The material is often utilized in maritime industries and saltwater equipment. The requisite mother tube, a circular steel tube, must first be fashioned before factories can form the rectangular steel part. Round tube rolls gradually flatten the round tube into a hollow rectangular segment.  


Specification :


Standard IS 4923 - Hollow steel sections for structural use
Size 300 mm NB
Outer Diameter 21.3 to 457.2mm
Wall Thickness 1.8mm to 14.27mm
Length 6000 to 12000/18000mm
Type Seamless/ Welded / ERW
Dimensional Tolerances Thickness : (All sizes +/- 10%)
Packing In bundles, Anticorrosion heat preservation, Varnish coating, Ends can be bevelled or circular or round cut, End Capped Certification & supplementary test, Finishing & Identity Mark
Surface Protection Black (Self Coloured uncoated), Varnish/Oil Coating, Pre-Galvanized, Hot Dip Galvanized

Chemical Composition of IS 4923 YST 310 Hollow Section

Specification Steel Grade C Si Mn P S
IS 4923 YST 310 0.12% max. 0.03% to 0.08% 0.50% max. 0.05% max. 0.05% max.

Mechanical Properties of IS 4923 YST 310 Hollow Section

Grade Min. Tensile Strength Mpa Min. Yield Stress Mpa Min. Elongation Percent for size
25.4 and under over25.4
YST 310 450 310 8 10


Types of Hollow Section Available


Square Hollow Section

Square Hollow Section

Rectangular Hollow Section

Rectangular Hollow Section

Circular Hollow Section

Circular Hollow Section


Dimensions of IS 4923 YST 310 Square Hollow Section


IS 4923 YST 310

HxB – Height x Base
Wt – Wall thickness
Kg/m – Kilos per linear metre
Er – External radius
L – Standard bar length

Size mm kg/m Size mm kg/m
20 x 20 x 2.0 1.12 20 x 20 x 2.5 1.35
25 x 25 x 1.5 1.06 25 x 25 x 2.0 1.43
25 X 25 X 2.5 1.74 25 X 25 X 3.0 2.04
30 X 30 X 2.0 1.68 30 X 30 X 2.5 2.14
30 X 30 X 3.0 2.51 40 x 40 x 1.5 1.81
40 x 40 x 2.0 2.31 40 x 40 x 2.5 2.92
40 x 40 x 3.0 3.45 40 x 40 x 4.0 4.46
40 x 40 x 5.0 5.40 50 x 50 x 1.5 2.28
50 x 50 x 2.0 2.93 50 x 50 x 2.5 3.71
50 x 50 x 3.0 4.39 50 x 50 x 4.0 5.72
50 x 50 x 5.0 6.97 60 x 60 x 3.0 5.34
60 x 60 x 4.0 6.97 60 x 60 x 5.0 8.54
60 x 60 x 6.0 9.45 70 x 70 x 3.0 6.28
70 x 70 x 3.6 7.46 70 x 70 x 5.0 10.11
70 x 70 x 6.3 12.50 70 x 70 x 8 15.30
75 x 75 x 3.0 7.07 80 x 80 x 3.0 7.22
80 x 80 x 3.6 8.59 80 x 80 x 5.0 11.70
80 x 80 x 6.0 13.90 90 x 90 x 3.0 8.01
90 x 90 x 3.6 9.72 90 x 90 x 5.0 13.30
90 x 90 x 6.0 15.76 90 x 90 x 8.0 20.40
100 x 100 x 3.0 8.96 100 x 100 x 4.0 12.00
100 x 100 x 5.0 14.80 100 x 100 x 5.0 14.80
100 x 100 x 6.0 16.19 100 x 100 x 8.0 22.90
100 x 100 x 10 27.90 120 x 120 x 5 18.00
120 x 120 x 6.0 21.30 120 X 120 X 6.3 22.30
120 x 120 x 8.0 27.90 120 x 120 x 10 34.20
120 X 120 X 12 35.8 120 X 120 X 12.5 41.60
140 X 140 X 5.0 21.10 140 X 140 X 6.3 26.30
140 X 140 X 8 32.90 140 X 140 X 10 40.40
140 X 140 X 12.5 49.50 150 X 150 X 5.0 22.70
150 X 150 X 6.3 28.30 150 X 150 X 8.0 35.40
150 X 150 X 10 43.60 150 X 150 X 12.5 53.40
150 X 150 X 16 66.40 150 X 150 X 16 66.40
180 X 180 X 5 27.40 180 X 180 X 6.3 34.20
180 X 180 X 8 43.00 180 X 180 X 10 53.00
180 X 180 X 12.5 65.20 180 X 180 X 16 81.40
200 X 200 X 5 30.50 200 X 200 X 6 35.8
200 x 200 x 6.3 38.2 200 x 200 x 8 48.00
200 x 200 x 10 59.30 200 x 200 x 12.5 73.00
200 x 200 x 16 91.50 250 x 250 x 6.3 48.10
250 x 250 x 8 60.50 250 x 250 x 10 75.00
250 x 250 x 12.5 92.60 250 x 250 x 16 117.00
300 x 300 x 6.3 57.90 300 x 300 x 8 73.10
300 x 300 x 10 57.90 300 x 300 x 8 90.70
300 x 300 x 12.5 112.00 300 x 300 x 16 142.00
350 x 350 x 8 85.70 350 x 350 x 10 106.00
350 x 350 x 12.5 132.00 350 x 350 x 16 167.00
400 x 400 x 10 122.00 400 x 400 x 12 141.00
400 x 400 x 12.5mm 152.00 400 x 400 x 16 192

Dimensions of IS 4923 YST 310 Rectangular Hollow Section


IS 4923 YST 310

HxB – Height x Base
Wt – Wall thickness
Kg/m – Kilos per linear metre
Er – External radius
L – Standard bar length

Size mm kg/m Size mm kg/m
40 x 20 x 2.0 1.68 40 x 20 x 2.5 2.03
40 x 20 x 3.0 2.36 40 x 25 x 1.5 1.44
40 x 25 x 2.0 1.89 40 x 25 x 2.5 2.23
50 x 25 x 2.0 2.21 50 x 25 x 2.5 2.72
50 x 25 x 3.0 3.22 50 x 30 x 2.5 2.92
50 x 30 x 3.0 3.45 50 x 30 x 4.0 4.46
50 x 40 x 3.0 3.77 60 x 40 x 2.0 2.93
60 x 40 x 2.5 3.71 60 x 40 x 3.0 4.39
60 x 40 x 4.0 5.72 70 x 50 x 2 3.56
70 x 50 x 2.5 4.39 70 x 50 x 3.0 5.19
70 x 50 x 4.0 6.71 80 x 40 x 2.5 4.26
80 x 40 x 3.0 5.34 80 x 40 x 4.0 6.97
80 x 40 x 5.0 8.54 80 x 50 x 3.0 5.66
80 x 50 x 4.0 7.34 90 x 50 x 3.0 6.28
90 x 50 x 3.6 7.46 90 x 50 x 5.0 10.11
100 x 50 x 2.5 5.63 100 x 50 x 3.0 6.75
100 x 50 x 4.0 8.86 100 x 50 x 5.0 10.90
100 x 60 x 3.0 7.22 100 x 60 x 3.6 8.59
100 x 60 x 5.0 11.70 120 x 80 x 2.5 7.65
120 x 80 x 3.0 9.03 120 x 80 x 4.0 12.00
120 x 80 x 5.0 14.80 120 x 80 x 6.0 17.60
120 x 80 x 8.0 22.9 150 x 100 x 5.0 18.70
150 x 100 x 6.0 22.30 150 x 100 x 8.0 29.10
150 x 100 x 10.0 35.70 160 x 80 x 5.0 18.00
160 x 80 x 6.0 21.30 160 x 80 x 8.0 27.90
200 x 100 x 5.0 22.70 200 x 100 x 6.0 27.00
200 x 100 x 8.0 35.4 200 x 100 x 10.0 43.60
250 x 150 x 5.0 30.5 250 x 150 x 6.0 38.2
250 x 150 x 8.0 48.0 250 x 150 x 10 59.3
300 x 200 x 6.0 48.10 300 x 200 x 8.0 60.50
300 x 200 x 10.0 75.00 400 x 200 x 8.0 73.10
400 x 200 x 10.0 90.70 400 x 200 x 16 142.00

Available Hollow Section


IS 4923 Grade YST 310 Cold Formed ERW Square Hollow Section

IS 4923 Grade YST 310 Cold Formed ERW Square Hollow Section

Cold Formed IS 4923 YST 310 MS SHS Pipe

Cold Formed IS 4923 YST 310 MS SHS Pipe

IS 4923 YST 310 Seamless square Hollow Section

IS 4923 YST 310 Seamless square Hollow Section

IS 4923 YST 310 Seamless Rectangular Hollow Section

IS 4923 YST 310 Seamless Rectangular Hollow Section

IS 4923 YST 310 Cold Formed Rectangular Tube

IS 4923 YST 310 Cold Formed Rectangular Tube

IS-4923 YST 310 CF RHS

IS-4923 YST 310 CF RHS


Price List of IS-4923 YST 310 Piping


Carbon Steel IS-4923 YST 310 Pipe manufacturer
US / Metric Ton (FOB Price) on request
BS EN 10210 IS-4923 YST 310 Carbon Steel Pipes
US / Metric Ton (FOB Price) on request
EN 10210 IS-4923 YST 310 Carbon Steel Structural Pipe
US / Metric Ton (FOB Price on request
IS-4923 YST 310 Seamless Pipe
US / Metric Ton (FOB Price) on request
IS-4923 YST 310 Cold Drawn Welded Pipes
US / Ton (FOB Price) on request
IS-4923 YST 310 Steel Electric Resistance Welded Pipe
US / Ton (FOB Price) on request
IS-4923 YST 310 Carbon Steel Square Pipe
US / Ton (FOB Price) on request
IS-4923 YST 310 Carbon Steel Rectangular Pipes
US / Ton (FOB Price) on request
IS-4923 YST 310 Carbon Steel Round Pipes
US / Ton (FOB Price) on request
IS-4923 YST 310 Hot Finished ERW Welded Pipes
US / Ton (FOB Price) on request

Pipes & Tubes Applications Industries

IS-4923 YST 310 Steel Welded Pipes are known to deliver exceptional performance and are generally developed for meeting the demands. We offer a broad range of Carbon Steel Pipe through a worldwide network of stock-keeping branches. Carbon Steel Pipe is use in various industries like :

  • Pipes & Tubes uses in Paper & Pulp Companies
  • Pipes & Tubes uses in Oil and Gas Industry
  • Pipe Forged uses in Chemical Refinery
  • Buttweld Pipe Forged uses in High Temperature Application
  • Pipes & Tubes uses in Water Pipe Line
  • Pipe Forged can be used in Nuclear power plants
  • Pipes & Tubes usefule for High Pressure Applications
  • Pipes & Tubes Long Radius Forged uses in Fabrication and welding Job
  • Pipes & Tubes uses in Food Processing and Dairy Industries
  • Pipes & Tubes Short Radius Forged uses in boiler & heatexchangers

Marking & Packing


Our IS-4923 YST 310 Pipes are packaged to ensure that there is no damage during transit. In case of exports, standard export packaging is done in wooden cases. All IS-4923 YST 310 Carbon Steel Pipe are marked with Grade, Lot No, Size and our trade mark. We can also make custom marking on our products on Special request from Purchaser.


Quality Assurance


Triton Alloys Inc all IS-4923 YST 310 Steel Pipe, IS-4923 YST 310 Steel Welded Pipes and IS-4923 YST 310 Steel Seamless Pipes are subject to strict inspection at each stage starting from material purchasing to product dispatch. They are visually examined for conformity to ASTM, ASME, DIN, EN, and JIS codes and standards. We can also appoint official certified Inspection Agencies upon request of our clients so that they can witness the material reports, dimensions and quality conformity of products.

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