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1.1 This specification covers nominal wall thickness, seamless, cold-drawn carbon steel tubing intended for use in hydraulic systems and in other similar applications where forming operations require tight radius bending and flaring.
1.2 Tubing sizes and thicknesses usually furnished to this specification are 1/8 to 3½ in. [3.2 to 88.9 mm] in outside diameter and 0.035 to 0.134 in. [0.9 to 3.4 mm] inclusive, in nominal wall thickness. Tubing having other dimensions may be furnished, provided such tubing complies with all other requirements of this specification.
1.3 Mechanical property requirements do not apply to tubing smaller than 1/8 in. [3.2 mm] in inside diameter or 0.015 in. [0.4 mm] in thickness.
1.4 Optional supplementary requirements are provided and, when desired, shall be so stated in the order.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
A450/A450M Specification for General Requirements for Carbon and Low Alloy Steel Tubes
A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products
ICS Number Code 23.100.40 (Piping and coupling)
UNSPSC Code 40182300(Seamless steel tubes )