21.4529执行ASTM B625标准脱硫脱硝合金UNS N08926
产品名称:1.4529/UNS N08926
国际通称:W.Nr.1.4529、脱硫脱硝合金、UNS N08926、Cronifer1925hMo、Incoloy alloy25-6Mo、NAS 255NM
各国标准:ASTM B625、ASTM A240、ASTM B673、ASTM B674、ASTM B677
主要成分:碳(C)≤0.02,锰(Mn)≤2.00,镍(Ni)24.0~26.0,硅(Si)≤0.5,磷(P)≤0.03,硫(S)≤0.01,铬(Cr)19.0~21.0,铜(Cu)0.5~1.5,钼(Mo)6.0~7.0,氮(N) 0.15~0.25
物理性能:密度:8.24g/cm3, 熔点:1320-1400 ℃,磁性:无
热处理:980-1150℃之间保温1-2小时,快速空冷或水冷。
机械性能:抗拉强度:σb≥650Mpa,屈服强度σb≥295Mpa:延伸率:δ≥35%,硬度;HRB90
材料说明:
1.4529(UNS N08926)在卤化物介质和含硫氢酸性环境中具有非常高的抗点蚀和缝隙腐蚀能力,能有效抵抗氯离子应力腐蚀,在氧化和还原性介质中同样具有良好的耐腐蚀性,稳定性良好,机械性能略优于904L,可用于-196到400℃的压力容器制造。
典型工况:60%硫酸,80℃以下,年腐蚀率<0.1mm
配套焊接材料及焊接工艺:1.4529合金的焊接建议采用AWS A5.14焊丝ERNiCrMo-3或AWS A5.11焊条ENiCrMo-3,焊接工艺及指导书欢迎来电索取。
应用领域:
烟气脱硫装置,磷酸生产用蒸发器、换热器、过滤器和混合器,硫酸输送装置,冷凝器,灭火系统,海水过滤系统,近海工业中的液压和回灌管道系统,纸浆漂泊系统,盐类蒸发冷凝器,电广污染冷却水管道系统,反渗透海水淡化装置,腐蚀性化学品运输存储罐,卤酸催化的有机物生产设备等。
Material description:
1.4529 (UNS N08926) in a hydrogen halide medium and sulfur acid environment has a very high pitting and crevice corrosion resistance, resistance to chloride stress corrosion effectively, in the oxidizing and reducing medium also has good corrosion resistance, good stability and mechanical properties were slightly better than 904 l, 196 to 400 ℃ can be used to - the pressure vessel manufacturing.
Typical conditions: 60% sulfuric acid, under 80 ℃, the annual corrosion rate < 0.1 mm
Welding materials and welding process: 1.4529 alloy welding is recommended to use AWS A5.14 wire ernicrmo-3 or AWS A5.11 welding rod enicrmo-3, welding process and guide book to welcome the call request.
Application:
Flue gas desulfurization device, phosphoric acid production with evaporator, heat exchanger, filter and the mixer, and conveying equipment for sulfuric acid condenser, fire extinguishing system, water filtration system, pipeline system, hydraulic pressure and injection in offshore industry pulp drift system, salt evaporative condenser, cooling water pipe system wide power pollution, reverse osmosis desalination device, corrosive chemical transportation storage tanks, halogen acid catalysis of organic production equipment, etc.