ASTM A335 P11 is a specification for seamless ferritic alloy-steel pipe intended for high-temperature and high-pressure applications. The P11 designation indicates that the steel pipe is made of an...
ASTM A335 P11 is a specification for seamless ferritic alloy-steel pipe intended for high-temperature and high-pressure applications. The P11 designation indicates that the steel pipe is made of an alloy that contains chromium (Cr) and molybdenum (Mo), with a minimum chromium content of 1% and a minimum molybdenum content of 0.25%. ASTM A335 P11 steel pipes are widely used in the oil and gas industry, power generation plants, and other high-temperature applications. The steel pipe has excellent strength and toughness properties, as well as good corrosion resistance, making it suitable for use in harsh environments. ASTM A335 P11 steel pipes are available in various sizes and thicknesses, and can be customized to meet specific requirements. Overall, ASTM A335 P11 steel pipes are a reliable and durable choice for high-temperature and high-pressure applications.
| Element | Symbol | Minimum Content |
|---|---|---|
| Carbon | C | 0.05-0.15% |
| Manganese | Mn | 0.30-0.60% |
| Phosphorus | P | 0.025% max |
| Sulfur | S | 0.025% max |
| Silicon | Si | 0.50-1.00% |
| Chromium | Cr | 1.00-1.50% |
| Molybdenum | Mo | 0.44-0.65% |
| Vanadium | V | 0.15% max |
| Nitrogen | N | 0.025% max |
| Aluminum | Al | 0.02% max |
Note: ASTM A335 P11 alloy steel pipes may also contain small amounts of other elements such as iron (Fe), nickel (Ni), and copper (Cu), but their content is usually negligible and does not significantly affect the properties of the pipe material.
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