3328Bronze Castings — Type 2

MN · 2025 Standard Specifications✓ Full text on BuildSpecBook pages 919–0 Save this section

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3328.1SCOPE

Provide Type 2 bronze castings for Bridge bearing plates, medium pressure bearing sleeves, and bright ornamental castings and other items having light details.

3328.2REQUIREMENTS

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 percent

(2)Unless the Plans specify 1 alloy, the Contractor may use either of the 2 alloys designated

in this section

Use Type 2 bronze castings for Bridge bearing plates, medium pressure bearing sleeves, bright ornamental castings, and other items with light detail allowing medium filleted corners and slightly rounded arises and a medium bright finish.

3328.3SAMPLING AND TESTING — BLANK

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Source: Minnesota Standard Specifications for Construction, 2025 Edition. Pages 919–0 of 1,081. View official source ↗

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3327 Bronze Castings — Type 1

3329 Lubricated Bronze Bearing Plates and Bushings

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