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ASTM A53 is a standard specification for seamless and welded steel pipe. It covers black and hot-dipped galvanized pipe. The grades denote certain chemical and mechanical properties. It is suitable for coiling, bending, flanging, and welding. Commonly used for low-pressure fluid transmission and structural purposes.
| Material Grade | ASTM A53 / ASME SA53 | Standard | ASTM A53 / ASME SA53 |
| Thickness Range | 3-12 mm | Width Range | 1/2 NB to 36 NB |
| Length Range | Min 3 Meters, Max 18 Meters | MOQ | 1 Ton |
| Lead Time | 7-15 days | Port of Shipment | Shanghai / Tianjin |
| C | ≤0.30 | Si | ≤0.40 |
| Mn | ≤1.20 | P | ≤0.050 |
| S | ≤0.045 | Tensile Strength | ≥330 MPa (Grade A) / ≥415 MPa (Grade B) |
| Yield Strength | ≥205 MPa (Grade A) / ≥240 MPa (Grade B) |
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