Astm A335 Grade P11 Alloy Pipe
Material
The ASTM A335 Alloy Pipe Grade P11 is made from a low alloy steel known for its excellent strength and corrosion resistance. It is commonly used in various industries where high-temperature and high-pressure conditions are encountered.
Specification
The ASTM A335 Alloy Pipe Grade P11 specification outlines the requirements for seamless ferritic alloy steel pipe suitable for high-temperature service. It covers nominal wall and minimum wall thickness pipe sizes with specific chemical composition and mechanical properties.
Chemical Composition
| Element | Composition Range (% by mass) |
|---|---|
| Carbon (C) | 0.05 - 0.15 |
| Manganese (Mn) | 0.30 - 0.60 |
| Phosphorus (P) | 0.025 |
| Sulfur (S) | 0.025 |
| Silicon (Si) | 0.50 - 1.00 |
| Chromium (Cr) | 1.00 - 1.50 |
| Molybdenum (Mo) | 0.44 - 0.65 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 415 - 585 MPa |
| Yield Strength | 205 MPa minimum |
| Elongation | 20% minimum |
| Hardness | 163 - 255 HBW |
| Impact Toughness | See table below |
Impact Toughness Requirements
| Temperature (°C) | Minimum Energy Absorbed (J) |
|---|---|
| -20 | 35 |
| 0 | 35 |
| 20 | 35 |
| 40 | 35 |
| 60 | 27 |
| 100 | 20 |
| 120 | 15 |
Steel Grade
The ASTM A335 Alloy Pipe Grade P11 falls under the category of ferritic alloy steel. The "P" in the grade designation indicates that it is intended for high-temperature service, while the number "11" denotes the approximate chromium content in the alloy.
Application
The ASTM A335 Grade P11 Alloy Pipe is widely used in various industries, including oil and gas, power generation, petrochemical, and refineries. It is particularly suitable for applications that require high-temperature and high-pressure resistance, such as steam pipelines, boiler tubes, and heat exchangers.
Hot Tags: astm a335 grade p11 alloy pipe, China, suppliers, manufacturers, factory, customized, wholesale, price, OEM, mill, producer, for sale, , superheater tubes
