ASTM A500 Gr. A Rectangular Hollow Section
Ranfit Metal is a well-known manufacturer, supplier, and stockiest of Cold Formed ASTM A500 Grade A Rectangular Hollow Section. Cold Formed ASTM A500 Gr A Rectangular Hollow Section is a type of steel section that is widely used in various structural applications. The rectangular hollow section is formed by cold forming, a process that involves bending and shaping steel coils into the desired shape without the use of heat. This process allows for the production of high-strength, lightweight sections with excellent durability and corrosion resistance.
Cold Formed A500 Gr A Rectangular Hollow Section provide excellent structural performance while minimizing material usage. ASTM A500 is a standard specification for cold-formed welded and seamless carbon steel structural tubing. It covers four grades (A, B, C, D), with Grade A having the lowest strength requirements. Cold Formed ASTM A500 Gr A Rectangular Hollow Section is commonly used in a wide range of applications, including Building construction, Bridge construction, Industrial equipment, Transportation, Furniture etc.
Cold Formed ASTM A500 Gr A Rectangular ERW Pipe is an excellent choice for any project that requires high-strength, lightweight, and corrosion-resistant steel sections.
ASTM A500: Standard specification for cold-formed welded and seamless carbon steel structural tubing.
Grade A: has the lowest yield strength in the ASTM A500 standard when compared to grades B, C, and D. When having a lot of strength is not essential, it is frequently employed.
| Standard | ASTM A500/ASME SA500 |
| Grade | Grade A |
| 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 |
| Steel Grade | S, max | Cu, min | C, max | P, max |
| ASTM A500 Grade A | 0.035 | 0.20 | 0.26 | 0.035 |
| Steel Grade | Yield strength, min, | Tensile strength, min | Elongation in 2 in. (50.8 mm) min, % |
| ASME SA500 Grade A | 345 MPa, 50 000 psi | 427 MPa, 62 000 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 |
| 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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