A569 Type A_全球钢材百科网钢材化学成分-热处理-物理性能介绍-全球钢材百科网

A569 Type A简介

牌号	A569 Type A
对应标准	ASTM A569/A569M-1998 钢，碳(含量最大0.15%)，商用热轧薄板和带材 Standard Specification for Steel, Carbon (0.15 Maximum, Percent), Hot-Rolled Sheet and Strip Commercial
归类	碳钢
标签	薄板带材

A569 Type A 化学元素成分含量(%)

成分	C	Mn	P	S	Cr	Ni	Cu	Mo	Ti	V	Nb
最小值	-	-	-	-	-	-	-	-	-	-	-
最大值	0.1	0.6	0.03	0.035	0.15	0.2	0.2	0.06	0.008	0.008	0.008

①Types A and C may be furnished as vacuum degassed and/or chemically stabilized at the producers option.
② For carbon levels less than or equal to 0.02%, columbium and/or titanium may be used as chemical stabilizing elements in Type A and C at the producers option. In such case, the Table limitations on such elements do not apply. Rather, the limit on columbium shall be 0.1% maximum and the limit on titanium shall be 0.15% maximum.
③Types B describes the most common product previously included in Specification A569/A569M.
④Specify Type B to avoid carbon levels below 0.02%.
⑤When an aluminum deoxidized steel is required for the application. Commercial Steel (CS) may be ordered to a minimum of 0.01% total aluminum.
⑥Where an ellipsis (...) appears in this table, there is no requirement, but the analysis shall be reported.
⑦ When copper steel is not specified, the sum of copper, nickel, chromium, and molybdenum shall not exceed 0.5% on heat analysis. When one or more of these elements is specified, the sum does not apply; in which case, only the individual limits on the remaiming elements will apply.
⑧ Chromium is permitted ,at the producers option, to 0.25% maximum when the carbon is less than or equal to 0.05%. In such case, the limit on the sum of the four elements in Footnote ⑦ does not apply. 碳当量计算

A569 Type A 机械性能

条件	屈服点 σ_s Mpa	断后伸长率或延伸率 δ %
薄板，带材	205~345	≥25

The yield strength tends to increase and elongation tends to decrease as the sheet thickness decreases. These properties represent those typical of material in the thickness range of 0.100 to 0.150 in. (2.5 to 3.5 mm)

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