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奥氏体—铁素体复相不锈钢
奥氏体—铁素体复相不锈钢
AUSTENITIC FERRITIC duplex stainless steel
复相钢的金相组织通常是含有5%-40%的铁素体，以改善合金的焊接性，增加强度和提高抗应力腐蚀能力。例如Cr28%-Ni10%-C0.30%的高碳高铬合金钢，具有良好的抗硫酸腐蚀能力，可制造铸件使用。在此基础上发展的可控制铁素体型钢，有较高的强度，且在硫酸盐中有良好的抗应力腐蚀能力，常用于石油工业的装置。
The metallographic structure of multiphase steel usually contains 5% - 40% ferrite to improve the weldability, strength and stress corrosion resistance of the alloy. For example, Cr28% - ni10% - c0.30% high carbon high chromium alloy steel has good resistance to sulfuric acid corrosion, which can be used to manufacture castings. The controllable ferritic steel developed on this basis has high strength and good resistance to stress corrosion in sulfate, which is commonly used in petroleum industry.
AUSTENITIC FERRITIC duplex stainless steel
复相钢的金相组织通常是含有5%-40%的铁素体，以改善合金的焊接性，增加强度和提高抗应力腐蚀能力。例如Cr28%-Ni10%-C0.30%的高碳高铬合金钢，具有良好的抗硫酸腐蚀能力，可制造铸件使用。在此基础上发展的可控制铁素体型钢，有较高的强度，且在硫酸盐中有良好的抗应力腐蚀能力，常用于石油工业的装置。
The metallographic structure of multiphase steel usually contains 5% - 40% ferrite to improve the weldability, strength and stress corrosion resistance of the alloy. For example, Cr28% - ni10% - c0.30% high carbon high chromium alloy steel has good resistance to sulfuric acid corrosion, which can be used to manufacture castings. The controllable ferritic steel developed on this basis has high strength and good resistance to stress corrosion in sulfate, which is commonly used in petroleum industry.
