Mechanical and Engineering Hollow Sections for Conveyor Systems
Mechanical and Engineering Hollow Sections for Conveyor Systems
Specifications
The term Hollow Structural Sections (HSS) refers to high-strength welded steel tubing used as structural elements in buildings and other structures and a variety of manufactured products. It is produced in round, square and rectangular shapes and a broad range of sizes to the ASTM A500, A1085, and A1065 specifications.
| American Standard | Standard Name |
| A500/A500M | Standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes |
Mechanical Hollow Sections Chemical Composition
Sources American Standard A500 / A500M TABLE 1 Chemical Requirements
| Element | Composition, % | |||
| Grades A, B and D | Grace C | |||
| Heat | Product | Heat | Product | |
| Analysis | Analysis | Analysis | Analysis | |
| Carbon, max A | 0.26 | 0.3 | 0.23 | 0.27 |
| Manganese, max A | 1.35 | 1.4 | 1.35 | 1.4 |
| Phosphorus, max | 0.035 | 0.045 | 0.035 | 0.045 |
| Sulfur, max | 0.035 | 0.045 | 0.035 | 0.045 |
| Copper, min B | 0.2 | 0.18 | 0.2 | 0.18 |
| A For each reduction of 0.01 percentage point below the specified maximum for carbon, an increase of 0.06 percentage point above the specified maximum for manganese is permitted, up to a maximum of 1.50% by heat analysis and 1.60% by product analysis. B If copper-containing steel is specified in the purchase order. |
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Mechanical Hollow Sections Mechanical Properties
Sources American Standard A500 / A500M TABLE 2 Tensile Requirements
| Round structural tubing | ||||
| Grade A | Grade B | Grade C | Grade D | |
| Tensile strength, min, psi (MPa) | 45,000 (310) | 58,000 (400) | 62,000 (425) | 58,000 (400) |
| Yield strength, min, psi, (MPa) | 33,000 (230) | 42,000 (290) | 46,000 (315) | 36,000 (250) |
| Elongation in 2 in. (50 mm), min, %D | 25A | 23B | 21C | 23B |
| Shaped structural tubing | ||||
| Grade A | Grade B | Grade C | Grade D | |
| Tensile strength, min, psi (MPa) | 45,000 (310) | 58,000 (400) | 62,000 (425) | 58,000 (400) |
| Yield strength, min, psi, (MPa) | 39,000 (270) | 46,000 (315) | 50,000 (345) | 36,000 (250) |
| Elongation in 2 in. (50 mm), min, %D | 25A | 23B | 21C | 23B |
| A Applies to specified wall thicknesses (t) equal to or greater than 0.120 in. (3.05 mm). For lighter specified wall thicknesses, the minimum elongation values shall be calculated by the formula: percent elongation in 2 in. (50mm) = 56t + 17.5, rounded to the nearest percent. For A500M use the following formula: 2.2t + 17.5, rounded to the nearest percent. B Applies to specified wall thicknesses (t) equal to or greater than 0.180 in. (4.57 mm). For lighter specified wall thicknesses, the minimum elongation values shall be calculated by the formula: percent elongation in 2 in. (50 mm) = 61t + 12, rounded to the nearest percent. For A500M use the following formula: 2.4t + 12, rounded to the nearest percent. C Applies to specified wall thicknesses (t) equal to or greater than 0.120 in. (3.05 mm). For lighter specified wall thicknesses, the minimum elongation values shall be by agreement with the manufacturer. D The minimum elongation values specified apply only to tests performed prior to shipment of the tubing. |
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Mechanical Hollow Sections Manufacturing Process
Mechanical Hollow Sections Application
- Automotive and Transportation Components
- Hydraulic and Pneumatic Cylinders
- Conveyor Systems and Material Handling
- Agricultural Machinery and Implements
- Construction and Earthmoving Equipment
- Industrial Machinery and Equipment
- Mining and Drilling Equipment
- Material Handling and Lifting Equipment
- Energy and Power Generation
Mechanical Hollow Sections Packing & Loading
Hollow Section is transported in containers
Hollow Section is transported in containers
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