Wenzhou Zheheng Steel Industry Co.,Ltd
To provide safe and reliable high quality stainless steel ,nickel alloy pipes and fittings
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Characteristic
ASTM A53 is the standard specification for the carbon steel pipe in seamless, welded, and zinc-coated galvanized pipes.
Use
Transmission: Oil and gas pipeline systems, water treatment, mineral slurry
Construction and Structure: Buildings, underground water drilling, boiler water transmission
Machine Parts: Machining to spare parts
Power station: Wind Turbines, Anti-Static tube
Chemical Composition
| Seamless and ERW | C max % | Mn max % | P max % | S max % |
| Grade A | 0.25 | 0.95 | 0.05 | 0.045 |
| Grade B | 0.3 | 1.2 | 0.05 | 0.045 |
Mechanical Properties – Tensile Requirements
| Seamless and ERW | Grade A | Grade B |
| Tensile Strength, min, psi | 48,000 | 60,000 |
| Yield Strength | 30,000 | 35,000 |
Physical Properties
| Density at 20 °C kg/dm3 | Modulus of elasticity kN/mm² at | Thermal conductivity at 20 C° W/m K | Spec. thermal capacity at 20 C° J/kg K | Spec. electrical resistivity at 20 °C Ω mm²/m | |||
| 7.85 | 20 C° | 300 C° | 400 C° | 450 C° | |||
| 210 | 192 | 184 | 179 | 51 | 461 | 0.2 | |
Hot Forming And Heat Treatment
| Hot forming | Heat treatment | |||
| Temperature °C | Type of cooling | Normalizing 1) | Stress-relieving anneal 2) | Type of cooling |
| 1100 – 950 | Air | 890 – 950 °C | 600 – 650 °C | Air |
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