ASTM A500 Gr. C Rectangular Hollow Section
Ranfit Metal is a well-known manufacturer, supplier, and stockiest of Cold Formed ASTM A500 Grade C Rectangular Hollow Section. It refers to a type of structural steel tubing that is manufactured from hot-rolled steel products and then cold-formed into rectangular shapes.
Cold Formed A500 Grade C Rectangular Hollow Section (RHS) is a high-strength steel commonly used in structural and engineering applications due to its excellent strength-to-weight ratio and cost-effectiveness. Cold Formed ASTM A500 Gr. C RHS Tubing is recognized for its quality standards in structural steel, ensuring that the hollow sections are suitable for both load-bearing and aesthetic purposes in steel construction. One of the primary advantages of Cold Formed ASTM A500 Gr. C Rectangular Hollow Section is its high strength-to-weight ratio, which makes it an ideal choice for structural framing, roofing, and wall systems.
A500 Gr C Rectangular Pipes Hollow Section designed for higher strength and structural integrity, with a yield strength of at least 46,000 psi and tensile strength ranging from 58,000 to 73,000 psi. This feature makes the Cold Formed ASTM A500 Gr. C Rectangular Hollow Section suitable for outdoor and exposed applications, such as bridge construction, highway infrastructure, and building frames. Overall, the Cold Formed A500 Grade C Rectangular Hollow Section is a reliable and high-performance steel product that offers numerous benefits and advantages for a wide range of construction projects.
ASTM A500: Standard specification for cold-formed welded and seamless carbon steel structural tubing.
Grade C: specifies minimum yield and tensile strength requirements, typically yielding around 46 ksi (317 MPa).
| Standard | ASTM A500/ASME SA500 |
| Grade | Grade C |
| RHS (Rectangular Hollow Sections) Sizes | 10mm x 15mm / 150mmx50mm / 300mmx400mm / 600mmx550mm |
| Outside Diameter | 21.3—457.2mm |
| Wall Thickness | 0.5mm - 25mm |
| Length | 6000-14000 mm |
| Straightness | Minimum 1 : 200th of any length measured along the centre line (mill straightened condition) unless otherwise specifically arranged. |
| Tolerance | Thickness (All sizes +/- 10%) |
| Surface Protection | Black (Self Coloured uncoated), Varnish/Oil Coating, Pre-Galvanized, Hot Dip Galvanized |
| Packing | In bundles, Anticorrosion heat preservation, Varnish coating, Ends can be bevelled or rectangular cut, End Capped Certification & supplementary test, Finishing & Identity Mark |
| ASTM A500 | C, max | Mn, max | P, max | S, max | Cu, min |
| Grade C | 0.23 | 1.35 | 0.035 | 0.035 | 0.20 |
| ASTM A500 | Tensile strength, min | Yield strength, min, | Elongation in 2 in. (50.8 mm) min, % |
| Grade C | 427 MPa, 62 000 psi | 345 MPa, 50 000 psi | 21 |
| 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 |
| RHS | Thickness | Sec Area | Unit | Moment of Inertia | Radius of Gyration | Elastic Modulus | Torsional Constants | Outer Surface Area |
||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | mm | cm2 | kg/m | cm4 | cm4 | cm | cm | cm3 | cm3 | cm4 | cm3 | m2 |
| 50x25 | 2 | 2.74 | 2.15 | 8.38 | 2.81 | 1.75 | 1.01 | 3.35 | 2.25 | 6.97 | 3.79 | 0.142 |
| 2.6 | 3.46 | 2.71 | 10.16 | 3.36 | 1.71 | 0.99 | 4.06 | 2.69 | 8.27 | 4.53 | 0.137 | |
| 3.2 | 4.13 | 3.24 | 11.63 | 3.8 | 1.68 | 0.96 | 4.35 | 3.04 | 9.52 | 5.12 | 0.134 | |
| 4 | 4.95 | 3.88 | 13.13 | 4.23 | 1.63 | 0.92 | 5.25 | 3.38 | 10.86 | 5.69 | 0.129 | |
| 60x40 | 2.26 | 4.76 | 3.73 | 22.76 | 12.09 | 2.19 | 1.59 | 7.59 | 6.05 | 25.59 | 9.83 | 0.187 |
| 2.9 | 5.25 | 4.12 | 24.74 | 13.11 | 2.17 | 1.58 | 8.25 | 6.56 | 28.02 | 10.66 | 0.185 | |
| 3.6 | 6.35 | 4.98 | 28.9 | 15.23 | 2.13 | 1.55 | 9.63 | 7.62 | 33.3 | 12.41 | 0.181 | |
| 4.5 | 7.67 | 6.02 | 33.31 | 17.44 | 2.08 | 1.51 | 11.1 | 8.72 | 39.34 | 14.29 | 0.177 | |
| 60x33 | 2.6 | 4.7 | 3.69 | 25.15 | 8.43 | 2.31 | 1.34 | 7.62 | 5.11 | 20.75 | 8.71 | 0.185 |
| 2.9 | 5.19 | 4.07 | 27.33 | 9.12 | 2.29 | 1.33 | 8.28 | 5.53 | 22.65 | 9.43 | 0.183 | |
| 3.6 | 6.28 | 4.93 | 31.87 | 10.52 | 2.25 | 1.29 | 9.66 | 6.37 | 26.71 | 10.9 | 0.179 | |
| 4.5 | 7.58 | 5.95 | 36.64 | 11.93 | 2.20 | 1.25 | 11.1 | 7.23 | 31.21 | 12.43 | 0.175 | |
| 80x40 | 2.6 | 5.8 | 4.55 | 46.58 | 15.74 | 2.84 | 1.65 | 11.65 | 7.87 | 38.5 | 13.46 | 0.227 |
| 2.9 | 6.41 | 5.03 | 50.87 | 17.11 | 2.82 | 1.63 | 12.72 | 8.56 | 42.23 | 14.66 | 0.225 | |
| 3.2 | 7.01 | 5.5 | 54.94 | 18.41 | 2.8 | 1.62 | 13.74 | 9.21 | 45.83 | 15.78 | 0.224 | |
| 4 | 8.55 | 6.71 | 64.79 | 21.49 | 2.75 | 1.59 | 16.2 | 10.74 | 54.77 | 18.49 | 0.219 | |
| 4.8 | 10.01 | 7.85 | 73.22 | 24.03 | 2.71 | 1.55 | 18.3 | 12.02 | 62.81 | 20.79 | 0.215 | |
| 96x48 | 3.2 | 8.54 | 6.71 | 98.61 | 33.28 | 3.4 | 1.97 | 20.54 | 13.87 | 82.13 | 23.82 | 0.272 |
| 4 | 10.47 | 8.22 | 117.54 | 39.32 | 3.35 | 1.94 | 24.49 | 16.38 | 99.11 | 28.24 | 0.267 | |
| 4.8 | 12.31 | 9.66 | 134.35 | 44.55 | 3.3 | 1.9 | 27.99 | 18.56 | 114.8 | 32.14 | 0.263 | |
| 122x61 | 3.6 | 12.32 | 9.67 | 232.61 | 78.83 | 4.34 | 2.53 | 38.13 | 25.85 | 193.91 | 44.5 | 0.347 |
| 4.5 | 15.14 | 11.88 | 278.94 | 93.78 | 4.29 | 2.49 | 45.73 | 30.75 | 235.39 | 53.13 | 0.343 | |
| 5.4 | 17.85 | 14.01 | 320.83 | 107.03 | 4.24 | 2.45 | 52.6 | 35.09 | 347.29 | 60.89 | 0.338 | |
| 120x60 | 3.2 | 10.85 | 8.51 | 199.88 | 67.95 | 4.29 | 2.5 | 33.31 | 22.65 | 165.83 | 28.95 | 0.344 |
| 3.6 | 12.11 | 9.5 | 220.75 | 74.77 | 4.27 | 2.48 | 36.79 | 24.92 | 184.1 | 42.91 | 0.341 | |
| 4.5 | 14.87 | 11.67 | 264.52 | 88.88 | 4.22 | 2.44 | 44.09 | 29.63 | 223.34 | 51.19 | 0.337 | |
| 145x82 | 4.8 | 20.28 | 15.92 | 555.16 | 228.50 | 5.23 | 3.36 | 76.57 | 55.73 | 534.27 | 94.45 | 0.429 |
| 5.4 | 22.6 | 17.74 | 610.85 | 250.59 | 5.2 | 3.33 | 84.26 | 61.12 | 592.7 | 103.81 | 0.426 | |
| Size (inches) | Wall Thickness (inches) | Outside Diameter (inches) |
Inside Diameter (inches)
|
| 1/2 x 1/2 | 0.065 | 0.84 | 0.61 |
| 3/4 x 3/4 | 0.065 | 1.05 | 0.82 |
| 1 x 1 | 0.065 | 1.315 | 1.049 |
| 1 x 1 | 0.083 | 1.315 | 1.035 |
| 1 x 1 | 0.109 | 1.315 | 0.957 |
| 1-1/4 x 1-1/4 | 0.065 | 1.66 | 1.38 |
| 1-1/4 x 1-1/4 | 0.083 | 1.66 | 1.334 |
| 1-1/4 x 1-1/4 | 0.109 | 1.66 | 1.278 |
| 1-1/2 x 1-1/2 | 0.065 | 1.9 | 1.61 |
| 1-1/2 x 1-1/2 | 0.083 | 1.9 | 1.584 |
| 1-1/2 x 1-1/2 | 0.109 | 1.9 | 1.5 |
| 2 x 2 | 0.065 | 2.375 | 2.245 |
| 2 x 2 | 0.083 | 2.375 | 2.307 |
| 2 x 2 | 0.109 | 2.375 | 2.245 |
| 2-1/2 x 2-1/2 | 0.083 | 2.875 | 2.709 |
| 2-1/2 x 2-1/2 | 0.109 | 2.875 | 2.625 |
| 3 x 3 | 0.083 | 3.5 | 3.334 |
| 3 x 3 | 0.109 | 3.5 | 3.26 |
| 3-1/2 x 3-1/2 | 0.109 | 4 | 3.834 |
| 4 x 4 | 0.083 | 4.5 | 4.334 |
| 4 x 4 | 0.109 | 4.5 | 4.26 |
| 4 x 4 | 0.188 | 4.5 | 4.124 |
| 5 x 5 | 0.188 | 5 | 4.624 |
| 6 x 6 | 0.188 | 6 | 5.624 |
| Dimensions less than 100mm | +/- 1.0% with a minimum of +/- 0.5mm |
| Dimensions 100mm up to 200mm | +/- 0.8% |
| Dimensions over 200mm | +/- 0.6% |
| Wall thickness (excluding weld area) | +/-10% for specified thickness of 5mm or below and +/-0.5mm for thickness greater than 5mm |
| Concavity/Convexity | Max. 0.8% with a minimum of 0.5mm |
| Squareness of sides | 90 Degree +/- 1 Degree |
| Externalcorner radius | 6mm thick or below: 1.6 to 2.4 x wall thickness |
| Straightness | 0.15% of total length |
| Twist | 2mm + ( 0.5mm per mtr ) max |
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