Teeth and studs (2) studs -bm = 1d: GB897 / DIN938 (3) studs -bm = 1.25d: GB898 / DIN939 (4) studs -bm = 1.5d: GB899 (5) stud -bm = 2d: GB900 (1) teeth: GB15389 / DIN976 (6) and other long stud: GB901 / DIN976 physical properties of the physical properties of stainless steel and carbon steel 304L Jinan data comparison nuts, carbon steel slightly higher than the density of ferritic and martensitic stainless steel bolts nuts Jinan, but slightly lower than the austenitic stainless steel; resistivity by carbon steel, ferritic, martensitic and austenitic stainless steel Sort Ascending; line Sort expansion coefficient size is similar, austenitic stainless steel of the highest minimum; carbon steel, ferritic and martensitic stainless steel magnetic, non-magnetic austenitic stainless steel, but it generates a work hardening martensitic phase will generate a magnetic change, the available heat treatment methods to eliminate this martensite and restore its non-magnetic. 316L Jinan nuts, nut Jinan, Jinan Road ground is provided by Jinan Daoqin Trading Company. Jinan Daoqin Trading Company (daoqinshangmao.com) strong, credible, in Jinan, Shandong and other hardware accessories industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Jinan Road ground and you work into the brilliant, for a better future!