Minnesota Department of Transportation (MnDOT) · 2025 Standard Specifications for Construction
Section 3328 — Bronze Castings — Type 2
Minnesota 2025 Standard Specifications for Construction, Section 3328. Full text, cross-references and related pay items on BuildSpec.
3328 BRONZE CASTINGS — TYPE 2 3328.1 SCOPE Provide Type 2 bronze castings for Bridge bearing plates, medium pressure bearing sleeves, and bright ornamental castings and other items having light details. 3328.2 REQUIREMENTS Provide Type 2 bronze castings meeting the requirements of ASTM B148, Standard Specification for Aluminum-Bronze Sand Castings, Alloy C95300 or ASTM B584, Standard Specification for Copper Alloy Sand Castings for General Applications, Alloy C86500, subject to the following: (1) Modify the chemical composition of Alloy C86500 to allow a maximum manganese content of 3.5…
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