430 Stainless steel bar: ferritic stainless steel, decorative, such as for car accessories. Good formability stainless steel bars supply, but heat resistance and corrosion resistance worse. 440 - high strength cutting tool steel, carbon slightly higher, after appropriate heat treatment to obtain a higher yield strength steel bars companies, hardness up to 58HRC, are among the most hard stainless steel. The most common application example is the "razor blades." There are three common models: 440A, 440B, 440C, in addition 440F (and easy processing). :( Stainless steel rod stainless steel bright bars, round bars, hexagon bar, square steel, flat stainless steel bar, hexagonal, round, solid bar) Specifications: Ф1mm ~ Ф480mm; Material: SUS310S, 316,316F, 316L, 321, 304,304F, 304L, 303,301,202,314,314L, 305,317,316S like; hexagonal and square steel rod (flat) than your rod wholesale stainless steel bar, (the Company hexagonal rod specifications are mostly imports of high-quality materials). Than the black shiny surface of your face. Large-diameter rods, mostly black rod. Which is 303 rods in a specific material, it is easy to drive (cut) type of material, mainly used for automatic lathe cutting. Another: 304F, 303CU, 316F also are easy-cut materials. Supply of stainless steel bar, stainless steel bar, stainless steel supplied by Shengyuan Shengyuan Stainless Steel Co., Ltd. of Dongguan City. Dongguan Shengyuan Stainless Steel Co. (dg-shengyuan.cn) strong, credible, in Dongguan, Guangdong metal packaging machinery industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Shengyuan into the brilliant stainless steel and you work for a better future!