304L stainless steel bar: 304 as a low-carbon steel, in general, corrosion resistance and 304 similar, but after welding or eliminate stress, its excellent corrosion resistance to grain boundary, in the case without heat treatment, but also good corrosion resistance. 
 302 Stainless steel bar: 302 stainless steel rods are widely used in auto parts, aviation, aerospace hardware tools, chemical industry. As follows: crafts, bearings, sliding flowers, medical equipment, electrical appliances. Features: 302 stainless steel is austenitic steel ball, and closer to 304, but 302 higher hardness, HRC ≤ 28, with a good rust and corrosion. 
 Stainless Steel Products Co., the company adhere to "good faith cooperation, mutual benefit and win-win" for the purpose of a professional focus on the spirit, speech power to create first-class products and corporate image.