Designation: A 537/A 537M – 95 (Reapproved 2000) 名称： A 537/A 537M – 95 （复审：2000 年） Standard Specification for Pressu re Vessel Plates, Heat-Treated, Carbon-Manganese-Silicon Steel 压力容器用经热处理的碳锰硅钢板技术条件 This standard is issued under the fixed designation A537/A537M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon indicates an editorial change since the last revision or reapproval. 本标准按固定的编号A537/A537M 发布，紧随标记后的数字代表最初实施的年份，在经修订的情况下，代表最新修订本的年份。括号中的数字代表最近一次复审的年份，右上标(ε)表示自上次修订或复审以来所作的编辑上的修改。 This standard has been approved for use by agencies of the Department of Defense. 本标准业经批准供美国国防部的机构使用。 1. Scope 1.范围 1.1 This specification covers heat-treated carbon-manganese-silicon steel plates intended for fusion welded pressure vessels and structures. 1.1 本标准适用于熔焊压力容器和结构用经热处理的碳锰硅钢板。 1.2 Material under this specification is available in the following three classes: 1.2 按本标准供货的钢板有以下3 个级别: Class 级 别 Heat Treatment 热 处 理 Thickness 厚 度 Yield Strength, min, 屈 服 强 度 ≥ksi[MPa] Tensile Strength,min, 抗 拉 强 度 ≥ksi[ MPa] 1 Normalized 正 火 2½ in. and under ≤2½英 寸 50 70 [65 mm and under] [≤65 mm] [345] [485] Over 21⁄2 to 4 in. >2½ ~ 4 英 寸 45 65 [Over 65 to 100 mm] [> 65 ~ 100mm] [310] [450] 2 Quenched and tempered 淬 火 加 回 火 21⁄2 in. and under ≤2½英 寸 ≥60 ≥80 [65 mm and under] [≤65 mm] [415] [550] Over 2½ to 4 in. >2½~4 英 寸 55 75 Class 级 别 Heat Tr...
