ASTM A886/A886M-05被替代
Standard Specification for Steel Strand, Indented, Seven-Wire Stress-Relieved for Prestressed Concrete
出版：American Society for Testing and Materials
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基本信息
標準編號： ASTM A886/A886M-05
發布時間：2005/9/1 0:00:00
標準類別：Standard
出版單位：American Society for Testing and Materials
標準頁數：5
標準簡介
CONTAINED IN VOL. 01.04, 2008Deals with seven-wire uncoated, indented, stress-relieved steel strand for pre-tensioned prestressed concrete construction. Grades 250 I and 270 I have minimum ultimate strengths of 250 ksi [1725 MPa] and 270 ksi [1860 Mpa], based on the strands' nominal area. Applies to orders in either inch-pound units or SI units.
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