The testing method for chromium nickel elements in stainless steel is suitable for laboratory testing methods in stainless steel products and stainless steel smelting industry.
Chromium and nickel are the most important elements in stainless steel. Adding different amounts of chromium and nickel can achieve different mechanical properties. Nickel in steel can improve its strength, toughness, resistance, and corrosion resistance in air, seawater, and certain acids. Chromium element can improve the quenching degree and deformation ability of steel after quenching. Enhance the hardness, elasticity, diamagnetism, tensile strength, corrosion resistance, and heat resistance of steel. This method is based on the national standard method.
GB/T 223.23-1994 "Methods for chemical analysis of steel and alloys - The dimethylglyoxime spectrophotometric method for the determination of nickel content"
GB/T 223.12-1991 "Methods for chemical analysis of steel and alloys - Sodium carbonate separation - Diphenylhydrazide photometric method for the determination of chromium"
The conventional laboratory instruments for stainless steel enterprises include: XY-FB microcomputer high-speed analyzer, XY-FC microcomputer high-speed analyzer, XY-1A intelligent analyzer, XY-FD computer multi-element analyzer, etc
The conventional testing methods for stainless steel enterprises include titration and photometry.