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ASTM A106 Seamless Steel Pipe

Date:2020-06-08    keywords:astm a106,seamless steel pipe
ASTM A106 seamless steel pipe is an American standard steel pipe, A106 includes A106-A, A106-B. The former is equivalent to the domestic 10# material, and the latter is equivalent to the domestic 20# material. It belongs to the ordinary carbon steel series and is one of the commonly used materials. ASTM A106 seamless steel pipe includes two processes of cold drawing and hot rolling. In addition to the different production processes, the two are different in accuracy, surface quality, minimum size, mechanical properties, and organizational structure. Widely used in petroleum, chemical, boiler, power station, shipbuilding, machinery manufacturing, automobile, aviation, aerospace, energy, geology, construction and military industries.

Mechanical behavior:
Standard Steel Grade Tensile strength (MPA) Yield strength (MPA)
ASTM A106 A ≥330 ≥205
B ≥415 ≥240
C ≥485 ≥275

Chemical composition:

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 0.291.06 ≤0.035 ≤0.035 ≤0.40 ≤0.15 ≤0.40 ≤0.40 ≤0.08

① Below the specified maximum carbon content, each time the carbon content decreases by 0.01%, the A106 seamless steel pipe is allowed to increase the manganese content by 0.06% above the specified maximum manganese content, but the maximum shall not exceed 1.35%;
② The sum of the five elements Cu, Ni, Cr, Mo and V shall not be greater than 1.00%.

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