鉴定委员会一致同意通过技术鉴定，并建议加快SH010(25-22-2)和SH020(316L mod)尿素级奥氏体不锈 钢在相关领域的推广应用。 鉴定会上，专家组指出，对SH010(25-22-2)和SH020(316L mod)尿素级奥氏体不锈钢材料的钢板、钢 管、换热管取样分析结果显示：化学成分中有害杂质元素含量低，非金属夹杂物控制良好；金相组织为 全奥氏体，未发现σ相和晶间或晶内化合物；经5个周期的休伊试验及选择性腐蚀试验，试验结果与国 外同类材料相当。在相同工况的尿素装置中，两种材料与国外同类产品进行了工程化应用比对，结果表 明，其耐蚀性能达到或略优于国外同类产品水平。 据大连松海公司总经理于磊介绍，项目研发团队开发出的SH010和SH020系列国产新材料形成了覆盖板 材、换热管、钢管、锻件、棒材、管件的完整产品体系。目前，相关产品已应用在大型央企、国企等19 家企业的40余项(台)年产30万-105万吨尿素装置和三聚氰胺装置的高压设备中，包括换热管、分布管、 衬里、塔盘和管道等产品。 此外，企业合作共建了产业链一条龙服务供应机制——抚顺特钢和中兴装备"两头在外"专心搞制造，大 连松海前接订单后保直供 ...

Group 1 - The core viewpoint emphasizes the short-term focus on mid-year report trends, the impact of "anti-involution" on supply, the self-sufficiency in electronic materials, and the dividend policies of energy companies [1] - In the medium to long term, there is significant development potential in the new materials sector, including domestic material production, increased penetration of OLED technology, and the expansion of applications for new energy materials [1] - Under supportive policies, sub-industries such as fluorochemicals and vitamins are expected to see improved market conditions, while tire companies still have room for global expansion [1] Group 2 - The chemical leader ETF (516220) tracks a segmented chemical index (000813), which selects listed companies from various chemical sub-industries like fertilizers, pesticides, and coatings to reflect the overall performance of the chemical sector [1] - The segmented chemical index focuses on the chemical industry, covering multiple important sub-industries, with constituent stocks primarily selected from representative companies to showcase the market value and growth potential of the chemical industry [1] - Investors without stock accounts can consider the Guotai Zhongzheng segmented chemical industry theme ETF Connect C (012731) and Guotai Zhongzheng segmented chemical industry theme ETF Connect A (012730) [1]