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ASTM A810 is a specification for welded steel tubes that are zinc-coated (galvanized) for general-purpose applications. The galvanized coating provides enhanced corrosion resistance, making these pipes suitable for various environments, including outdoor and industrial settings.
The ASTM A810 specification covers the requirements for welded steel tubes that are intended for use in structural applications. The tubes are produced in various sizes and wall thicknesses to meet specific engineering requirements.
The chemical composition of ASTM A810 Grade 1 and Grade 2 steel pipes is crucial for determining their mechanical properties and suitability for specific applications. Below is a table summarizing the typical chemical composition:
| Element | Grade 1 (%) | Grade 2 (%) |
|---|---|---|
| Carbon (C) | 0.25 max | 0.25 max |
| Manganese (Mn) | 0.60 - 0.90 | 0.60 - 0.90 |
| Phosphorus (P) | 0.04 max | 0.04 max |
| Sulfur (S) | 0.05 max | 0.05 max |
| Silicon (Si) | 0.10 - 0.40 | 0.10 - 0.40 |
| Zinc (Zn) | 0.10 min | 0.10 min |
The mechanical properties of ASTM A810 Grade 1 and Grade 2 pipes are essential for ensuring their performance under load. The following table outlines the typical mechanical properties:
| Property | Grade 1 | Grade 2 |
|---|---|---|
| Yield Strength (MPa) | 240 min | 290 min |
| Tensile Strength (MPa) | 310 min | 350 min |
| Elongation (%) | 20 min | 20 min |
| Hardness (HB) | 120 max | 140 max |
ASTM A810 includes two primary grades: Grade 1 and Grade 2. Each grade has specific mechanical properties and is suitable for different applications based on the required strength and ductility.
ASTM A810 galvanized steel pipes are widely used in various applications, including:
While ASTM A810 is a popular choice, 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.
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
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