A336 High alloy structural tube
A336 steel pipe is a ferritic alloy steel pipe commonly used in high temperature and pressure environments. The manufacturing standard of this kind of steel pipe is ASTM A336, and it is mainly used to manufacture pipes, boilers, pressure vessels and other equipment. The main components of A336 steel pipe are iron, chromium, nickel and other elements, and contain a small amount of titanium, aluminum, molybdenum and other elements for micro-alloying.
A336 alloy steel pipe has excellent high temperature performance and mechanical properties, such as high temperature strength, high temperature toughness, high temperature corrosion resistance, etc. At the same time, due to its excellent processing performance and welding performance, A336 seamless steel pipe is widely used in petroleum, chemical industry, electric power, papermaking and other fields.
A336 structural steel pipes are available in various specifications and can be customized according to needs. Common specifications include outer diameters from 6 inches to 24 inches and wall thicknesses from 0.5 inches to 2 inches. When using A336 Alloy thin wall seamless pipe, you need to pay attention to its operating temperature and pressure limitations, as well as its compatibility with media contact.
ASTM A336 seamless steel pipe
| ASTM A336/ ASME SA336 | Standard Specification for Alloy Steel Forgings for Pressure and High-Temperature Parts | ||||
| Material Grade | F1 | F11, Class 2 | F11, Class 3 | F11, Class 1 | F12 |
| F3VCb | F22V | F5 | F5A | F9 | |
| F6 | F6NM | F21, Class 3 | F21, Class 1 | F22, Class 3 | |
| F22, Class 1 | F91 | F911 | F3V |
chemical composition A336 Alloy steel pipe
| Element | Content (%) |
|---|---|
| Iron, Fe | 95.1 - 96.75 |
| Chromium, Cr | 2.0 - 2.50 |
| Molybdenum, Mo | 0.90 - 1.10 |
| Silicon, Si | 0.50 |
| Manganese, Mn | 0.30 - 0.60 |
| Carbon, C | 0.050 - 0.15 |
| Phosphorous, P | 0.025 |
| Sulfur, S | 0.025 |
cold drawn steel pipes A336
This specification covers ferritic alloy steel forgings used in high-pressure and high-temperature components such as boilers, pressure vessels, and related equipment. Steel grades covered here include: Grade F1; Grade F11, Grades 1, 2, and 3; Grade F12; Grade F5; Grade F5A; Grade F9; Grade F6; Grades F21 and F22, Grades 1 and 3; Grade F91, F3V level; and F22V level.
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