What is Carbon Steel A106 Grade B?
A106 Grade B Pipe is designed for high-temperature applications, offering excellent strength and versatility for various industrial uses. The ASTM A106 Grade B specification covers seamless carbon steel pipes, which are ideal for flanging, bending, and other forming operations. Solitaire Steel is a trusted manufacturer and supplier of A106 Grade B Seamless Pipe, available in a variety of sizes and dimensions.
The composition of Carbon Steel A106 Grade B includes carbon, manganese, phosphorus, sulfur, silicon, chromium, copper, molybdenum, nickel, and vanadium, providing strength and durability. This steel is ideal for applications where high strength and resistance to heat are essential.
Carbon steel, which contains up to 2.1% carbon by weight, is defined by the American Iron and Steel Institute (AISI) as steel with no specific content required for various alloying elements. This makes Carbon Steel A106 Grade B Pipes versatile and widely used, even in non-stainless steel applications.
The term ASTM A106 pipe refers to seamless carbon steel pipes that are either hot-rolled or cold-drawn, designed to perform reliably in high-temperature services. These pipes are commonly used for transporting fluids such as water, oil, gas, and slurry, making them an essential component in industries like mining.
Materials Grades ASTM A106
ASTM A106 material is classified into three grades based on its chemical composition, mainly focusing on the maximum carbon content:
- A106 Grade A: This grade has a maximum carbon content of 0.25%.
- A106 Grade B: Contains up to 0.30% carbon, offering better strength and performance compared to Grade A.
- A106 Grade C: With a maximum of 0.35% carbon, it provides even higher strength than Grades A and B.
The manganese content varies slightly between these grades. For A106 Grade A, manganese is typically in the range of 0.27% to 0.93%. For Grades B and C, manganese content ranges from 0.29% to 1.06%, reflecting the need for improved strength and toughness as the carbon content increases.
All grades (A, B, and C) share the same maximum proportions for additional elements such as phosphorus, sulfur, silicon, copper, chromium, molybdenum, nickel, and vanadium. To ensure quality, ASTM A106 stipulates that the total amount of these elements combined must not exceed 1%.
This careful control of material composition ensures that ASTM A106 pipes are reliable, durable, and suitable for high-temperature applications, providing optimal performance across different grades.
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ASTM A106 Grade B Material Specification
| Standards | ASTM, ASME and API, ANSI B 36.10 |
| Craft | Cold rolled and Cold drawn |
| ANSI Standard | B1.20. |
| Grades | ASTM A106 Grade A, Grade B, Grade C |
| Type | ERW / Seamless / Fabricated / Welded |
| Size | 1/2” NB to 36” NB |
| Length | Minimum 3 Meters, Maximum 18 Meters |
| Thickness | 3-12mm |
| Specialized in | Large Diameter ASTM A106 Grade B Pipe |
| Schedules | Schedule 20, 30, 40, Standard (STD), Extra Heavy (XH), 80, 100, 120, 140, 160, XXH & heavier |
| ASME Standard | B36.10M |
| Tolerance | Cold drawn pipe: +/-0.1mm
Cold rolled pipe: +/-0.05mm |
| End | Plain End, Beveled End, Treaded |
A106 Gr. B Pipes Chemical Composition
| Element | ASTM A106 Carbon Steel Gr. B |
| C | 0.30 |
| Mn | 0.29-1.06 |
| P | 0.04 |
| S | 0.04 |
| Cu | 0.40 |
| Ni | 0.40 |
| Cr | 0.4 |
| Mo | 0.15 |
| V | 0.08< |
ASTM A106 Seamless Pressure Pipe Mechanical Properties
| Degree of Bend | Diameter of Mandrel | |
| For Normal A106 uses | 90 | 12 x nom. dia. of pipe |
| For Close Coiling | 180 | 8 x nom. dia. of pipe |
Conclusion
ASTM A106 Grade B Pipe is an excellent choice for high-temperature and high-pressure applications. Known for its exceptional tensile strength, corrosion resistance, and durability, it is ideal for various industrial uses. With IBR certification, this pipe meets strict quality and safety standards, ensuring reliability. Whether for oil and gas, power plants, or other demanding industries, ASTM A106 Grade B IBR Pipe offers a dependable and effective solution for your next project.
FAQs
A carbon steel pipe specification for high-temperature service, used in industrial plants, power plants, refineries, and chemical plants. Offers good mechanical properties.
ASTM A106B Equivalent to ASTM A53 Grade B, API 5L Grade B, DIN 17175 St35.8, JIS G3454 STPG 370, and BS 3601 360A. Similar chemical and mechanical properties.
ASTM A106 Grade B Material is a carbon steel material specification for high-temperature and high-pressure seamless piping. Commonly used in industrial plants, power plants, refineries, and chemical plants for fluid transportation.
