Hastelloy C-4 under high temperature with excellent thermal stability and toughness, for under the condition of high temperature should stress corrosion cracking and oxidation atmosphere with good resistance. Suitable all types heat Mineral acid, chlorine containing medium, acetic acid, acetic anhydride, seawater and brine solution and other corrosive substances.
Standard of execution:
Plate, sheet and strip
Seamless pipe and tube
B 619, B 775
B 626, B 751
Forged or rolled pipe flange and forged fitting
Billet and bar for reforging
Characteristic as below：
Excellent corrosion resistance in reducing environments
Exceptional resistance to strong solutions of oxidizing salts, such as ferric and cupric chlorides
High nickel and molybdenum contents providing good corrosion resistance in reducing environments
Low carbon content which minimizes grain-boundary carbide precipitation during welding to maintain resistance to corrosion in heat-affected zones of welded joints
Resistance to localized corrosion such as pitting and stress-corrosion cracking
One of few materials to withstand the corrosive effects of wet chlorine gas, hypochlorite and chlorine dioxide
Digesters and bleach plants in the paper industry.
Components exposed to sour gas.
Equipment for flue-gas desulfurisation plants.
Evaporators, heat exchangers, filters and mixers used in sulfuric acid environments.
Sulfuric acid reactors.
Organic chloride process equipment.
Equipment for processes utilizing halide or acid catalysts.
Add: Maao Industry Area,Jiangbei district,Wenzhou City, Zhejiang Province,China