Description
Chemical Composition (Percentage by Weight):
| Carbon (C) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) | Silicon (Si | Chromium (Cr) | Nickel (Ni) | Copper (Cu) | Vanadium (V) | Nitrogen (N) |
|---|---|---|---|---|---|---|---|---|---|
| 0.15% min | 0.80-1.35% | 0.03% max | 0.03% max | 0.15-0.50% | 0.40-0.70% | 0.25-0.50% | 0.20-0.50% | 0.02-0.10% | 0.010% max |
Mechanical Properties:
| Tensile Strength (at room temperature) | Yield Strength (at room temperature) | Elongation (in 2 inches | Charpy V-Notch Impact Test |
|---|---|---|---|
| 485-690 MPa (70-100 ksi) | 345 MPa (50 ksi) min | 18% min | 21 J (15 ft-lbf) minimum at -40°C (-40°F) |
Typical Properties:
| Density | Thermal Expansion | Electrical Conductivity | Poisson’s Ratio | Modulus of Elasticity (Young’s Modulus |
|---|---|---|---|---|
| 7.85 g/cm³ (0.284 lb/in³) | 13.1 x 10^(-6)/°C (7.3 x 10^(-6)/°F) | 17% IACS (International Annealed Copper Standard | 0.29 | 205 GPa (29.7 x 10^6 psi) |
Applications for ASTM A588 steel include:
Bridges: ASTM A588 is commonly used in bridge construction due to its high-strength properties and corrosion resistance. It can reduce the need for ongoing maintenance.
Buildings and Architectural Features: The weathering appearance of ASTM A588 steel makes it a popular choice for building facades, outdoor sculptures, and other architectural elements.
Railway Cars: This steel is used for the construction of railway cars, particularly those exposed to outdoor conditions.
Transmission Towers: It is used in the construction of transmission and communication towers.
Mining Equipment: Some mining equipment and machinery components are made from ASTM A588 steel due to its durability.
It’s important to note that ASTM A588 steel is available in various grades and forms, including plates, bars, and shapes, to suit different applications and structural requirements. Additionally, specific mechanical properties and chemical compositions can vary depending on the product and grade within the ASTM A588 specification. Engineers and designers should refer to the relevant ASTM standards and consult with manufacturers for precise product information.
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