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ASTM A106 carbon steel pipe
is a commonly used seamless carbon steel pipe material, its main components are carbon and iron. It is a high-temperature and high-pressure pipeline material widely used in petroleum, natural gas, chemical industry, electric power, aviation, shipbuilding and other fields.
Different grades and types of carbon steel seamless pipes are specified in the ASTM A106 standard, such as, and A106 Grade C. These pipe materials are commonly used in high temperature and high pressure applications such as boilers, pressure vessels, oil and gas transmission lines, and more.
The main features of ASTM A106 seamless pipe are high temperature resistance, pressure resistance, corrosion resistance, wear resistance, etc. It has excellent high temperature resistance and can withstand temperatures up to 600°C. It is very safe and reliable to use at high temperatures. temperature and high-pressure environments. A106 carbon steel pipe also has good corrosion resistance and can be used for a long time in corrosive media such as acids, alkalis, and salts.
The chemical composition of A106 seamless carbon steel pipe has a maximum carbon content of 0.30% and a maximum manganese content of 1.20%. Belongs to the low carbon steel series. This material requires a series of heat treatments and processing processes during the manufacturing process to ensure its excellent mechanical properties and corrosion resistance.
Mechanical Properties of ASTM A106 Carbon Steel Pipe
Standard | Steel Grade | Tensile strength (MPA) | Yield strength (MPA) |
ASTM A106 | A | ≥330 | ≥205 |
B | ≥415 | ≥240 | |
C | ≥485 | ≥275 |
Chemical Composition of ASTM A106 Steel Pipe
Standard | Steel Grade | C | Si | Mn | P | S | Cr | Mo | Cu | Ni | V |
ASTM A106 | A | ≤0.25 | ≥0.10 | 0.27~0.93 | ≤0.035 | ≤0.035 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.40 | ≤0.08 |
B | ≤0.30 | ≥0.10 | 0.29～1.06 | ≤0.035 | ≤0.035 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.40 | ≤0.08 | |
C | ≤0.35 | ≥0.10 | 0.29～1.06 | ≤0.035 | ≤0.035 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.40 | ≤0.08 |
ASTM A106 Gr-B Carbon Seamless Steel Pipe Dimension Tolerances
| Pipe Type | Pipe Sizes | Tolerances | |
| Cold Drawn | OD | ≤48.3mm | ±0.40mm |
| ≥60.3mm | ±1%mm | ||
| WT | ±12.5% | ||
seamless carbon steel pipe A106 GR B
There are two main manufacturing processes for A106 seamless carbon steel pipes, one is the cold drawing process and the other is the hot rolling process. The cold drawing process is to heat the steel billet to a certain temperature, and then use a drawing machine to draw the steel billet into a pipe; the hot rolling process is to heat the steel billet to a certain temperature, and then roll the steel billet into a pipe through a rolling mill. Both processes have their own advantages and disadvantages, and which process to choose depends on the use environment and requirements.
A106 steel pipe detection method:
Tensile test: The tensile test can detect the tensile strength, yield point, elongation and other mechanical properties of the steel pipe.
Flattening test: The flattening test can detect the plasticity and toughness of the steel pipe. Through the flattening test, the deformation and damage of the steel pipe under the action of external force can be detected.
Bending test: The bending test can detect the plasticity and toughness of the steel pipe.
Non-destructive testing: Non-destructive testing refers to the method of testing steel pipes by using physical properties such as sound, light, and magnetism without damaging the steel pipes.
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