1.1 本规范涵盖冷轧钢板卷或切割长度，电沉积镀锡。该产品通常被称为电解镀锡板，适用于需要良好可焊性、良好表面外观和一定程度耐腐蚀性的应用。镀锡板生产为各种型号的镀锡层，如中所述 表1 . 表1电解镀锡板涂层重量[质量] 注1: 以下列出了经生产商和买方同意后通常生产的涂层重量[质量]。可规定涂层的其他组合和适当的最小平均测试值 A. 申请 名称编号。 标称锡涂层 重量[质量] （每个表面） 磅/基箱（克/米 2. ) B 最小平均涂层 重量[质量] （每个表面测试值） 磅/基箱（克/米 2. ) B , C 5 (0.6/0.6) 0.025/0.025 (0.6/0.6) 0.02/0.02 (0.5/0.5) 10 (1.1/1.1) 0.05/0.05 (1.1/1.1) 0.04/0.04 (0.9/0.9) 15 (1.7/1.7) 0.075/0.075 (1.7/1.7) 0.06/0.06 (1.4/1.4) 20 (2.2/2.2) 0.10/0.10 (2.2/2.2) 0.08/0.08 (1.8/1.8) 25 (2.8/2.8) 0.125/0.125 (2.8/2.8) 0.11/0.11 (2.5/2.5) 50 (5.6/5.6) 0.25/0.25 (5.6/5.6) 0.23/0.23 (5.2/5.2) 75 (8.4/8.4) 0.375/0.375 (8.4/8.4) 0.35/0.35 (7.8/7.8) 100 (11.2/11.2) 0.50/0.50 (11.2/11.2) 0.45/0.45 (10.1/10.1) （A） 参考规范 A623型 和 A623M . （B） 底框定义为面积单位，相当于112张14英寸的板材。20英寸。或31 360英寸。 2. （参考规范 A623型 ). （C） 最小单点值不得小于80 % 最小平均锡涂层重量[质量]（见 8.1 和 8.2 ). 1.1.1 电解镀锡板通常作为商品钢（CS）提供；拉拔钢（DS）；深冲钢（DDS）；超深冲钢（EDDS）和结构钢（SS）。锡涂层可以是未熔化或熔化的。 1.2 限制- 本规范适用于以英寸-磅为单位的订单（如 A599型 )，其厚度为0.015英寸。至0.036英寸。，或国际单位制 A599M ]，其供应厚度为0.381 mm至0.914 mm。厚度小于0.015英寸。[0.381 mm]，参见 A624/A624M [ A624M ]. 1.3 除非订单显示“M”名称[国际单位制]，否则产品应以英寸-磅为单位提供。以英寸-磅或国际单位制表示的数值应视为标准值。 在文本中，国际单位显示在括号中。每个系统中规定的值不是精确的等价物；因此，每个系统必须独立使用。合并两个系统的值可能会导致不符合本规范。 1.4 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。

1.1 This specification covers cold-rolled steel sheet in coils or in cut lengths, tin-coated by electrodeposition. The product is commonly known as electrolytic tin-coated sheet, and is for applications that need good solderability, good surface appearance, and a degree of corrosion resistance. Tin-coated sheet is produced to various designations of tin coating, as outlined in Table 1 . TABLE 1 Electrolytic Tin-Coated Sheets Coating Weight [Mass] Note 1: Listed below are the commonly produced coating weights [mass] upon agreement between the producer and the purchaser. Other combinations of coatings may be specified and the appropriate minimum average test values A apply. Designation No. Nominal Tin Coating Weight [Mass] (Each Surface) lb/base box (g/m 2 ) B Minimum Average Coating Weight [Mass] (Each Surface Test Value) lb/base box (g/m 2 ) B , C 5 (0.6/0.6) 0.025/0.025 (0.6/0.6) 0.02/0.02 (0.5/0.5) 10 (1.1/1.1) 0.05/0.05 (1.1/1.1) 0.04/0.04 (0.9/0.9) 15 (1.7/1.7) 0.075/0.075 (1.7/1.7) 0.06/0.06 (1.4/1.4) 20 (2.2/2.2) 0.10/0.10 (2.2/2.2) 0.08/0.08 (1.8/1.8) 25 (2.8/2.8) 0.125/0.125 (2.8/2.8) 0.11/0.11 (2.5/2.5) 50 (5.6/5.6) 0.25/0.25 (5.6/5.6) 0.23/0.23 (5.2/5.2) 75 (8.4/8.4) 0.375/0.375 (8.4/8.4) 0.35/0.35 (7.8/7.8) 100 (11.2/11.2) 0.50/0.50 (11.2/11.2) 0.45/0.45 (10.1/10.1) (A) Refer to Specifications A623 and A623M . (B) A base box is defined as a unit of area equivalent to 112 sheets 14 in. by 20 in. or 31 360 in. 2 (refer to Specification A623 ). (C) The minimum single spot value shall not be less than 80 % of the minimum average tin coating weight [mass] (see 8.1 and 8.2 ). 1.1.1 Electrolytic tin-coated sheet is customarily available as commercial steel (CS); drawing steel (DS); deep drawing steel (DDS); extra deep drawing steel (EDDS), and structural steel (SS). The tin coating is available as unmelted or melted. 1.2 Limitations— This specification is applicable to orders in either inch-pound units (as A599 ), which is supplied in thicknesses from 0.015 in. to 0.036 in., or SI units [as A599M ], which is supplied in thicknesses from 0.381 mm to 0.914 mm. For thicknesses lighter than 0.015 in. [0.381 mm], refer to A624/A624M [ A624M ]. 1.3 Unless the order shows the “M” designation [SI units], the product shall be furnished to inch-pound units. The values stated in either inch-pound or SI units are to be regarded 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 must be used independently of the other. Combining values from the two systems may result in nonconformance with this specification. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.