Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: AASHTO M 107:2009
• Năm ban hành / Publication date: 2009
• Tình trạng / Status: W - Hết hiệu lực
• Tên tiếng Anh / Title in English: Standard Specification for Bronze Castings for Bridges and Turntables
• Thay thế cho / Replace: AASHTO M 107:2004
• Số trang / Page: 5

Phạm vi áp dụng / Scope of standard

This specification establishes requirements for bronze castings
for turntables, movable bridges and bridge parts, and bronze
castings suitable for use in bridges and other structures for fixed
and expansion bearings in which motion is slow and intermittent.
The following Copper Alloys are specified: UNS No. C86300, C90500,
C91100, C91300, and C93700.

NOTE 1-Historically, the alloys in this specification have been
used in the applications listed in Appendix X1. Actual practice may
vary.²

The values stated in either SI units or inch-pound units are to
be regarded separately as standard. 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 non-conformance with the standard.

This standard does not purport to address all of the safety
concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety and
health practices and determine the applicability of regulatory
limitations prior to use.

² The UNS system for copper and copper alloys (see
Practice E 527) is a simple expansion of the former standard
designation system accomplished by the addition of a prefix "C" and
a suffix "00." The suffix can be used to accommodate composition
variations of the base alloy.

*A Summary of Changes section appears at the end of this
standard.