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ASTM A572 is a specification for high-strength low-alloy structural steel plates and bars for use in building structures and other applications. The grades of A572 steel are categorized based on their yield strength, with Grade 42, 50, 55, 60, and 65 being the most common. These grades are designed to provide improved mechanical properties and greater resistance to atmospheric corrosion compared to conventional carbon steels.
Grade | Carbon (C) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) | Silicon (Si) | Copper (Cu) | Nickel (Ni) | Chromium (Cr) | Molybdenum (Mo) |
---|---|---|---|---|---|---|---|---|---|
42 | 0.21 max | 1.35 max | 0.04 max | 0.05 max | 0.40 max | 0.20 max | 0.40 max | 0.30 max | 0.10 max |
50 | 0.21 max | 1.35 max | 0.04 max | 0.05 max | 0.40 max | 0.20 max | 0.40 max | 0.30 max | 0.10 max |
55 | 0.21 max | 1.35 max | 0.04 max | 0.05 max | 0.40 max | 0.20 max | 0.40 max | 0.30 max | 0.10 max |
60 | 0.21 max | 1.35 max | 0.04 max | 0.05 max | 0.40 max | 0.20 max | 0.40 max | 0.30 max | 0.10 max |
65 | 0.21 max | 1.35 max | 0.04 max | 0.05 max | 0.40 max | 0.20 max | 0.40 max | 0.30 max | 0.10 max |
Grade | Yield Strength (ksi) | Tensile Strength (ksi) | Elongation (%) | Reduction of Area (%) |
---|---|---|---|---|
42 | 42 | 60-80 | 21 | 50 |
50 | 50 | 65-85 | 20 | 50 |
55 | 55 | 70-90 | 19 | 50 |
60 | 60 | 75-95 | 18 | 50 |
65 | 65 | 80-100 | 17 | 50 |
The ASTM A572 specification includes several grades, each with specific mechanical properties and chemical compositions. The grades are:
ASTM A572 steel is widely used in various applications, including:
While ASTM A572 is a popular choice for structural applications, there are alternative grades that may be considered based on specific requirements:
A: manufacturer,also can do trading.
A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
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