ASTM A1077/A1077M - 14

Standard Specification for Structural Steel with Improved Yield Strength at High Temperature for Use in Buildings

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1.1 This specification covers alloy steel in bars, plates up to and including 4 in. [100 mm] in thickness and shapes of structural quality with improved yield strength at high temperature. Two grades, 36 [250] and 50 [345] are available for use in bolted or welded buildings or for general structural purposes. Class 2 requires a maximum yield to tensile ratio – this ratio is not required for Class 1.1.2 When the steel is to be welded, a welding procedure suitable for the grade of steel and intended use or service is to be utilized. See Appendix X3 of Specification A6/A6M for information on weldability.1.3 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system is to be used independently of the other, without combining values in any way.1.4 The text of this specification contains notes or footnotes, or both,

Antal sider: 3

Internationale relationer :

ICS: 77.140.20 - Rustfri stål

Varenummer: A009609