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| Brand Name: | Jinxi Pipe |
| Model Number: | Hollow Section |
| MOQ: | 1 |
| Price: | 400 USD/TON |
| Payment Terms: | L/C,D/A,D/P,T/T,Western Union,MoneyGram |
| Supply Ability: | 1000000 |
Rectangular Hollow Sections for Structural Support
Specifications
Rectangular Hollow Sections (RHS) are structural steel tubes characterized by a rectangular cross-section and a hollow interior. They offer a high strength-to-weight ratio and directional bending resistance, making them ideal for load-bearing applications like building frames, beams, and columns. RHS typically feature sizes ranging from 20x10mm to 400x200mm with wall thicknesses between 1.5mm and 12.5mm+, providing versatile, cost-effective solutions for construction and mechanical engineering.
| American Standard | Standard Name |
| A500/A500M | Standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes |
Rectangular 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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Rectangular 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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Rectangular Hollow Sections Manufacturing Process
Rectangular Hollow Sections Application
Rectangular Hollow Sections Packing & Loading
Hollow Section is transported in containers
Hollow Section is transported in containers