SAE J524 Seamless Steel Tubing

SAE J524 Seamless Low-Carbon Steel Tubing Annealed for Bending and flaring

1. Description:

SAE J524 Seamless Steel Tubing intended for use as hydraulic lines and in other applications requiring tubing of a quality suitable for flaring and bending.

2. Manufacture

The tubing shall be cold drawn to size and after forming shall be annealed in such a manner as to produce a finished product which will meet all requirements of SAE J524

3. Dimensions and Tolerances

The tolerances applicable to tubing outside diameter are shown in Table 1.
The wall thickness shall not vary more than ±10% for tubing having 12.7 mm or larger, nominal inside diameter
nor more than ±15% for tubing having a smaller nominal inside diameter. Tubing outside diameter and wall thickness shall be as specified by purchaser

4. Quality

Lengths of finished tubing shall be reasonably straight and have smooth ends free from burrs.
Tubing shall be free from scale and injurious defects and have a workmanlike finish. Surface imperfections such as handling marks, die marks, or shallow pits shall not be considered injurious defects provided the imperfections are within the tolerances specified for diameter and wall thickness. The removal of such surface imperfections is not required.

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