A106

ASTMA106 seamless pipe

A106 seamless pipe standard


 American standard ASTM A106
 ASME SA106 used to carry water, oil, gas and other high temperature fluids.
 A106A、A106B、A106C.

  Download More Details about A106 seamless pipe
A106 seamless pipe mechanical properties
Standard Grades Tensile strength(MPA) Yield strength(MPA)
ASTM A106 A ≥330 ≥205
B ≥415 ≥240
C ≥485 ≥275
Chemical composition of A106 seamless pipe
Standard 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 ≤0.35 ≤0.35 ≤0.40 ≤0.15 ≤0.40 ≤0.40 ≤0.08
A106 seamless pipe dimension tolerances
Standard Outer diameter(D) Wall thickness(S)
Cold-drawing tubes Outer diameter Allowed tolerance Wall thickness Allowed tolerance
>30~50 +0.3% ≤25 +10%
>50~325 +0.8%
Hot pipe >6~168 +1.0% ≤25 -10%,+12.5%

Ordering Instructions

For purchase orders of ASTM A106 standard shall include the following, as needed for the materials needed to make fully explained.
 Quantity: number of feet, meters, or root
 Name of material: ASTM A106 seamless carbon steel pipe
 Grade
 Pipe-making process: hot rolled or cold drawn
 Size: NPS (DN), or wall thickness or weight, or both indicated or marked diameter and nominal wall thickness or diameter and nominal wall thickness
 Special tolerance for the outside diameter pipes: according to special order the more than 250mm of the outside diameter of pipe outer diameter tolerance.outside diameter deviation from the specified outside diameter deviation shall be not greater than positive and negative 1%
 Inner diameter inner diameter tolerance greater than 250mm tube, inside diameter deviation from the provisions of bore diameter deviation shall be not greater than positive and negative 1%
 length: length should be specified in the order, if uncertain requirements, the pipe can take (4.8--6.7m) length, 5% (3.7--4.8M) single non-specified length of the pipe length order, or to the minimum length for an average (10.7m), 5% (4.8--6.7m) double non-specified length order.
 Standard (A106 or A106M, including the year)
 The end use of the A106 carbon steel pipe material
 Particular requirements

A106 seamless steel pipe is low alloy steel, widely used on customer demand for steel products used. A106 higher alloy content than the A53. Pipe connections are frequently used to pipe fittings, such as valve. Welding steel helps a lot in life.


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