ASTM A423 Grade 1 Alloy Steel Pipe Grade 3 is a type of seamless low alloy steel tube that is commonly used in pre-heaters. This article will provide an overview of the material, specification, key features, chemical composition, mechanical properties, physical properties, process performance, steel grade, application, and possible alternative grades of ASTM A423 Grade 1 Alloy Steel Pipe Grade 3.
ASTM A423 Grade 1 Alloy Steel Pipe Grade 3 is made from a low alloy steel composition, which provides excellent strength and corrosion resistance. The specification for this grade of seamless steel tube is outlined in ASTM A423/A423M.
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.15 max |
| Manganese (Mn) | 0.30-0.60 |
| Phosphorus (P) | 0.025 max |
| Sulfur (S) | 0.025 max |
| Silicon (Si) | 0.10-0.50 |
| Chromium (Cr) | 0.80-1.25 |
| Copper (Cu) | 0.25-0.50 |
| Molybdenum (Mo) | 0.15-0.25 |
| Property | Value |
|---|---|
| Tensile Strength | 415-585 MPa |
| Yield Strength | 205 MPa min |
| Elongation | 30% min |
| Hardness | 137 HB max |
| Property | Value |
|---|---|
| Density | 7.85 g/cm³ |
| Melting Point | 1420-1460°C |
| Thermal Conductivity | 46.6 W/m·K |
| Electrical Conductivity | 13.5% IACS |
| Specific Heat Capacity | 477 J/kg·K |
| Property | Value |
|---|---|
| Weldability | Good |
| Machinability | Fair |
| Formability | Excellent |
| Heat Treatment | Annealing required |
ASTM A423 Grade 1 Alloy Steel Pipe Grade 3 falls under the category of low alloy steel. It is specifically designed for pre-heater applications, where high strength and corrosion resistance are required.
ASTM A423 Grade 1 Alloy Steel Pipe Grade 3 is commonly used in pre-heaters, which are essential components in various industrial processes. These seamless low alloy steel tubes are suitable for high-temperature environments and provide excellent resistance to corrosion, making them ideal for pre-heating applications.
While ASTM A423 Grade 1 Alloy Steel Pipe Grade 3 is a widely used material for pre-heaters, there are alternative grades available that may suit specific requirements. Some possible alternative grades include ASTM A335 P1, ASTM A213 T1, and ASTM A209 T1. It is important to consult the specifications and requirements of the application to determine the most suitable alternative grade.
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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.
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