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AL-6XN(N08367), 1.4501,F62, incoloy25-6hn
品名:AL-6XN
主要成分:21Cr-24Ni-6Mo-0.2N
执行标准:UNS N08367、ASTM B688、ASME SB-688、NAS 254NM
AL-6XN为典型的6钼(高钼含量6.3%)超级奥氏体不锈钢。抗氯化物点蚀、缝隙腐蚀和应力腐蚀的能力优于3系列不锈钢,成本低于耐腐蚀镍基合金。在各种严重的腐蚀环境中呈现出好的抗腐蚀特性,适用于高氯化物水溶液和氯化物腐蚀环境。用于各种高氯化物环境:漂白剂(次氯酸纳、二氧化氯)、卤素和盐或海水含量高的化学品。
配套焊材:E/ERNiCrMo-3
应用领域:海洋平台、核工业、制药、造纸和食品工业设备;烟道气体脱硫管路衬里;石化蒸馏塔;高压热水器;海水冷却的薄壁冷凝管道;蒸气表面凝结器和家用多功能加热炉等。
公司可代为开平,定尺交货,量大可期货交易,品质确保,交货及时。除板材外,可提供焊管、棒材、及配套焊材(焊条、焊丝)。热诚欢迎新老客户来电洽谈咨询,
Temperature Stability
AL-6XN alloy is metallurgically stable to 1000 °F (540 °C) and has no phase transformation even after extensive deformation. When exposed to temperatures in the range of 1200-1800° F the opportunity for chi phase formations exists. Chi phase, a chromium-iron-molybdenum compound (sometimes incorrectly referred to as sigma phase), forms along the grain boundaries depleting the area of molybdenum and chromium reducing the corrosion resistance of the material. In order to help combat chi phase formation, nitrogen was added to the AL-6XN alloy to minimize this formation, improving corrosion resistance and increasing strength over a broad range of temperatures, while maintaining the good formability of austenitic stainless steel.
The high strength and corrosion resistance of the AL-6XN alloy make it a better choice than the conventional duplex stainless steels and a cost effective alternative to more expensive nickel-based alloys in applications where excellent formability, weldability, strength and corrosion resistance are essential. It is a cost effective alternative to less expensive stainless steels that do not have the strength or corrosion resistance to maximize life cycles.
AL-6XN alloy has exceptional resistance to chloride corrosion, pitting, crevice corrosion, stress corrosion cracking, and excellent general corrosion resistance to various acid, alkalis and salt solutions.
AL-6XN alloy is identified by the Unified Numbering System (UNS) designation of N08367. AL-6XN alloy is an austenitic stainless steel alloy with high nickel, molybdenum, and nitrogen content. AL-6XN alloy has a face-centered cubic crystal structure similar to other austenitic stainless steels. The alloy is non-magnetic and its magnetic permeability remains low even after severe cold forming.
Element Typical Allowable
Carbon 0.02 0.03 maximum
Manganese 0.40 2.00 maximum
Phosphorus 0.020 0.040 maximum
Sulfer 0.001 0.030 maximum
Silicon 0.40 1.00 maximum
Chromium 20.5 20.00 / 22.00
Nickel 24.00 23.50 / 25.50
Molybdenum 6.20 6.00 / 7.00
Nitrogen 0.22 0.18 / 0.25
Copper 0.2 0.75
Iron Balance Balance