ASTM ASTM B139/B139M-12(2017) - August 15, 2019 - admin Click here to purchase 1.1 This specification establishes the requirements for phosphor bronze rod, bar, and shapes. Product Details Published: 04/01/2017 Number of Pages: 5 File Size: 1 file , 79 KB Post navigation JIS Z 1523:2009ASTM B139/B139M-12