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Norma ASTM B139/B139M-12(2017) 1.4.2017 náhľad

Doplňujúce informácie

ASTM B139/B139M-12(2017)

Standard Specification for Phosphor Bronze Rod, Bar, and Shapes

NORMA vydaná dňa 1.4.2017

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Informácie o norme:

Označenie normy: ASTM B139/B139M-12(2017)
Dátum vydania normy: 1.4.2017
Kód tovaru: NS-680798
Počet strán: 5
Približná hmotnosť: 15 g (0.03 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM

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Anotácia textu normy 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)

Doplňujúce informácie

1. Scope

1.1 This specification establishes the requirements for phosphor bronze rod, bar, and shapes.

1.2 Units—Values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.

1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

2. Referenced Documents

E478-08(2017)	Standard Test Methods for Chemical Analysis of Copper Alloys
E62-89(1996)	Standard Test Methods for Chemical Analysis of Copper and Copper Alloys (Photometric Methods)
E8/E8M-24	Standard Test Methods for Tension Testing of Metallic Materials
B950-23	Standard Guide for Editorial Procedures and Form of Product Specifications for Copper and Copper Alloys
B249/B249M-23	Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
B601-18a	Standard Classification for Temper Designations for Copper and Copper Alloys´Wrought and Cast (Includes all amendments and changes 10/24/2018).
B846-19a	Standard Terminology for Copper and Copper Alloys (Includes all amendments and changes 8/8/2019).

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