NPFC - QQ-B-728
BRONZE MANGANESE; ROD, SHAPES, FORGINGS, AND FLAT PRODUCTS (FLAT WIRE, STRIP, SHEET, BAR, AND PLATE)
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| Organization: | NPFC |
| Publication Date: | 6 December 1961 |
| Status: | active |
| Page Count: | 1 |
scope:
This specification -covers wrought manganese' bronze which may be used where superior strength and corrosion resistance is required such as valve stems, propeller-blade bolts, air pumps, condenser bolts, gears, bearings, and similar items and may be used in lieu of Naval brass where higher strength is required.
Document History
January 8, 2007
BRONZE MANGANESE; ROD, SHAPES, FORGINGS, AND FLAT PRODUCTS (FLAT WIRE, STRIP, SHEET, BAR, AND PLATES)
This cancellation is approved by the Commissioner, Federal Supply Service, General Services Administration.
Federal Specification QQ-B-728 dated December 6, 1961, is hereby canceled. Future...
July 16, 1990
BRONZE MANGANESE; ROD, SHAPES, FORGINGS, AND FLAT PRODUCTS (FLAT WIRE, STRIP, SHEET, BAR, AND PLATE)
This cancellation is approved by the Commissioner, Federal Supply Service, General Services Administration.
Federal Specification QQ-B-728 dated December 6, 1961, is hereby canceled. Future...
QQ-B-728
December 6, 1961
BRONZE MANGANESE; ROD, SHAPES, FORGINGS, AND FLAT PRODUCTS (FLAT WIRE, STRIP, SHEET, BAR, AND PLATE)
This specification -covers wrought manganese' bronze which may be used where superior strength and corrosion resistance is required such as valve stems, propeller-blade bolts, air pumps, condenser...