A common chemical element symbol table element chemical element symbol element name names chemical element symbol Pd Pd helium He barium, bismuth Bi Ba Si Si Ga Ga platinum Pt and potassium K plutonium Pu Jin Au nitrogen N scandium Sc dysprosium Dy krypton Kr Te Te Re Rhenium Iodine I Ra Ra Radon Rn Erbium Er Li Li Ru Ru Fr V V S S P P francium fluorine F Lutetium Lu gadolinium Gd Al aluminum, zirconium, magnesium, calcium Ca Cl chlorine chromium Cr Zr Mg mercury Hg Nb niobium, cobalt Co Note: Symbols with mixed rare earth elements " RE "said the GB / T 3098.1-2000 Mechanical properties of fasteners, bolts screws and studs GB / T 3098.10-1993 mechanical properties of non-ferrous metal manufacturing fasteners, screws, studs and nuts GB / T 3098.11-2002 tight Mechanical properties firmware drilling tapping screws GB / T 3098.12-1996 Mechanical properties of fasteners - Cone proof load test GB / T 3098.13-1996 Mechanical properties of fasteners bolts and screws Torsional test and torque nominal diameter of 1 ~ 10mmGB / T 3098.14-2000 Mechanical properties of fasteners - Widening test GB / T 3098.15-2000 Mechanical properties of fasteners stainless steel nuts stainless steel screws, stainless steel self drilling screw nut Weifang, stainless steel rivets, stainless steel hex screws Weifang stainless steel Weifang stainless steel machine screws rivets, stainless steel welded screws, the screws 304, 316 stainless steel retainer screws _ Jinan, Weifang Road ground (certified) _ Weifang stainless steel provided by Jinan Daoqin Trading Company. Jinan Daoqin Trading Company (www.daoqinshangmao.com) (www.daoqinshangmao.com) Shandong Jinan, hardware accessories leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Jinan Road ground in leadership with the staff warmly welcome all inquiries negotiations to create Jinan Daoqin a better future.