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ASTM B21/B21M-20(2026)
Standard Specification for Naval Brass Rod, Bar, and Shapes
Translate name
STANDARD published on 1.10.2026
The information about the standard:
Designation standards: ASTM B21/B21M-20(2026)
Publication date standards: 1.10.2026
SKU: NS-1288405
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: American technical standard
Category: Technical standards ASTM
The category - similar standards:
Annotation of standard text ASTM B21/B21M-20(2026) :
This specification establishes the requirements for rods, bars, and shapes of naval brass with Copper Alloy UNS Nos. C46200, C46400, C47940, C48200, and C48500. Tempers available under this specification are M30 (as-hot extruded), O60 (soft annealed), O50 (light annealed), H60 (cold headed and formed), H02 (1 hard), and H04 (hard). Products shall be tested and shall adhere to dimensional (diameter, shape, length, straightness, and edge contour), mechanical (tensile and yield strength, Rockwell hardness, and elongation), and chemical composition requirements. Products shall also meet piston-finish rod and shafting, and U.S. Government purchase requirements.
Keywords:
naval brass, naval brass bar, naval brass rod, piston-finish rod, shafting, shapes, UNS No. C46200, UNS No. C46400, UNS No. C46750, UNS No. C47940, UNS No. C48200, UNS No. C48500, UNS No. C48640, UNS No. C48645,, ICS Number Code 77.150.30 (Copper products)
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