ASTM A106 seamless steel pipe is an American standard steel pipe, mainly divided into two types: A106-A and A106-B. Among them, A106-A is equivalent to 10# steel pipe, while A106-B is equivalent to 20# steel pipe. These steel pipes belong to the ordinary carbon steel series and are one of the commonly used materials in industrial production.
The production processes of ASTM A106 seamless steel pipe include cold drawing and hot rolling. There are differences between the two processes in terms of production process, accuracy, surface quality, minimum size, mechanical properties, organizational structure, etc. For example, the accuracy and surface quality of cold-drawn pipes are usually higher than those of hot-rolled pipes, but the minimum size is larger and the mechanical properties and organizational structure are slightly different.
ASTM A106 steel pipes are widely used in various industries, including petroleum, chemical industry, boilers, power stations, ships, machinery manufacturing, automobiles, aviation, aerospace, energy, geology, construction and military industry. These industries have different requirements for steel pipes, but A106 seamless steel pipe, as a universal material, can meet the basic needs of most industries.
ASTM A106 Grade A Carbon Steel Pipe Mechanical Properties
| Material | Mechanical Properties |
| Tensile Strength(MPa) | Yield Strength(MPa) |
| Grade A | 330 | 205 |
Dimension Tolerances of Cold drwan pipe
| Pipe Sizes | Tolerances |
| OD | ≤48.3mm | ±0.40mm |
| ≥60.3mm | ±1%mm |
| WT | ±12.5% |
Specifications:ASTM A 106, ASME SA 106
Size Range:1/2" NB to 36" NB
Thickness:SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules
Type:Seamless / ERW / Welded / Fabricated / CDW
Length:Single Random, Double Random & Required Length, Custom Size – 12 Meter lengths
End Connections:Plain, Bevel, Screwed, Threaded
Outside Coating:Black Painting, Anti-Corrosion Oil, Galvanised Finish, Finish as per customer Requirements
Detection methods for seamless steel pipes
Appearance inspection: The purpose is to check whether the surface quality of seamless steel pipes is good, such as whether there is rust, oil stains and other defects.
Dimensional inspection: The purpose is to ensure that the dimensional specifications of seamless steel pipes comply with standards and contract requirements.
Chemical composition testing: The purpose is to detect the main element components in seamless steel pipes to determine that their quality and materials meet relevant standards.
Mechanical property testing: The purpose is to test the tensile strength, yield strength, elongation and other mechanical properties of seamless steel pipes to determine that their stress properties meet relevant standards.
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ASTM A106 GR A Seamless Carbon Steel Pipe 12m Images
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