ASTM B139/B139M-12(2017)

Annotation of standard text ASTM B139/B139M-12(2017) :

This specification establishes the requirements for rods, bars, and shapes of phosphor bronze with Copper Alloy UNS Nos. C51000, C52100, C52400, C53400, and C54400. The material for manufacture shall be a cast rod, bar, or billet of such purity and soundness as to be suitable for processing by hot working, cold working, and annealing to produce a uniform wrought structure in the finished product. Tempers available under this specification are O60 (soft anneal temper), H04 (hard temper), and H08 (spring temper). Products shall be tested and shall adhere to dimensional (mass, diameter, shape, length, straightness, and edge contour), mechanical (tensile strength, and elongation), and chemical composition requirements.


Keywords:
phosphor bronze bar, phosphor bronze rod, phosphor bronze shapes, piston-finish rod, shafting, shapes, UNS No. C51000, UNS No. C52100, UNS No. C52400, UNS No. C53400, UNS No. C54400,, ICS Number Code 77.150.30 (Copper products)