|
INTRODUCTION OF ASTM A106 SEAMLESS PIPE
A106 seamless pipes are widely recognized for their versatility and reliability in high-temperature and high-pressure applications. , the 106 pipe can be supplied as hot-finished or cold-drawn, depending on the size and specific requirements agreed upon between the manufacturer and the purchaser.
Manufactured to ASTM A106 standards, the seamless carbon steel pipes are commonly used in oil and gas refineries, power plants, petrochemical facilities, boilers, and marine applications, where they transport fluids and gases under demanding temperature and pressure conditions. The specification includes three grade A, B, and C—of which Grade B is the most widely utilized due to its balanced mechanical properties and durability.
|
APPLICATION OF A106 STEEL PIPE
Designed for efficient performance in various forming operations such as bending and flanging, A106 pipes are an ideal choice for both general and specialized piping systems. They are extensively used for transporting oil, steam, water, gas, and air under varying pressure and temperature levels. Additionally, their applications extend to fire protection systems, civil engineering, structural frameworks, shipbuilding, as well as oil and gas field operations.
|
CHEMICAL COMPOSITION OF ASTM A106 SEAMLESS STEEL PIPE
| Grade | C (max%) | Mn (%) | P (max%) | S (max%) | Si (min%) | Cr (max%) | Cu (max%) | Mo (max%) | Ni (max%) | V (max%) |
| Grade A | 0.25 | 0.27 - 0.93 | 0.035 | 0.035 | 0.10 | 0.40 | 0.40 | 0.15 | 0.40 | 0.08 |
| Grade B | 0.30 | 0.29 - 1.06 | 0.035 | 0.035 | 0.10 | 0.40 | 0.40 | 0.15 | 0.40 | 0.08 |
| Grade C | 0.35 | 0.29 - 1.06 | 0.035 | 0.035 | 0.10 | 0.40 | 0.40 | 0.15 | 0.40 | 0.08 |
MECHANICAL PROPERTIES OF ASTM A106 SEAMLESS PIPE
| Grade | Min. Yield Strength (MPa) | Min. Tensile Strength (MPa) |
| Grade A | 205 | 330 |
| Grade B | 240 | 415 |
| Grade C | 275 | 485 |
EQUIVALENTS OF ASTM A106 SEAMLESS PIPES
| Specification | Mechanical Properties | Grade A | Grade B | Grade C |
| ASTM A53 | Tensile Strength, min (psi/MPa) | 48,000 (330) | 60,000 (415) | - |
| Yield Strength, min (psi/MPa) | 30,000 (205) | 35,000 (240) | - |
| ASTM A106 | Tensile Strength, min (psi/MPa) | 48,000 (330) | 60,000 (415) | 70,000 (485) |
| Yield Strength, min (psi/MPa) | 30,000 (205) | 35,000 (240) | 40,000 (275) |
