INCO-WELD725NDUR焊丝其实就是具有时效强化能力的INCONEL625填充金属。焊后热处理之后,其具有和INCONEL625填充金属一样优秀的耐蚀能力,并且具有更高的强度和硬度。油田应用环境要求低合金钢(例如AISI4130)的应力释放温度范围和INCO-WELD725NDUR填充金属的时效强化温度范围是一致的。如果焊后退火之后接着进行时效处理,有可能达到更高的强度。 这种焊丝可以用于熔化极气体保护焊和钨极气体保护焊,可以获得又强又硬的焊缝。  规格       AWSA5.14,ERNiCrMo-15               ASMEⅡ,SFA-5.14,ERNiCrMo-15               UNSN07725               ISOSNi7725               EuropeNiCr21Mo8Nb3Ti                       化学成分   Ni+Co………55.0-59.0               Ti……………1.0-1.7范围           C…………..0.03最多               Cr………...19.0-22.5                     Mn…………0.35最多               Nb+Ta…....2.75-4.00                     Fe……………….其余               Mo…...………7.0-9.5                     S……….…..0.01最多               P………….0.015最多                    Si……….…..0.20最多              其它………..0.50最多                     Al……….....0.30最多  典型机械   拉伸强度,psi                       174,000性能             Mpa                                            1200                    延伸率,(4d)%                                无(时效强化条件:1900oF/1h和1350oF/8h,FC至1150oF/8h,AC)  焊丝以线卷状或直线状供货,有多种直径以供选择,具体参考下表:产品供货形态mmin0.80.0300.90.0351.00.0401.140.0451.20.0471.60.0622.40.0933.20.125直焊丝的长度为:915mm(36”)或1000mm(39”)