ASTM A249 Heat Exchanger Service Tubes
SKU: N/A
Surface Condition
The tubes, after final heat treatment, shall be chemically descaled or pickled free of scale. When bright annealing is used, pickling or chemical descaling is not necessary.
Product Marking
In addition to the marking prescribed in Specification A 1016/ A 1016M, the marking for Grades TP304H, TP309H, TP309HCb, TP310H, TP310HCb, TP316H, TP321H, TP347H, and TP348H shall also include the heat number and the heat-treatment lot identification.
Ordering Information
It is the responsibility of the purchaser to specify all requirements that are necessary for material ordered under this specification.
Such requirements may include, but are not limited to, the
following:
● Quantity (feet, metres, or number of lengths)
● Name of material welded tubes (WLD) or heavily cold worked tubes (HCW)
● Grade
● Size (outside diameter and nominal wall thickness)
● Length (specific or random)
● Optional requirements
● Test report required (Specification A 1016/A 1016M)
● Specification designation
● Special requirements and any supplementary requirements selected
Size Range
1″-6″
Material
304/316L
Surface Treatment
Matt/Matt 0.8μm/0.8μm
Standard
3A, ASTM, ASME
