... GB 4357-89 1.Steel Grade: 45#, 42A, 42B, 60#, 65#, 65Mn, 70#, 72A, 72B, 80#, 82A, 82B, 1006, 1008, Q195, Q235 ... 0.03≤0.20≤0.20≤0.2565Mn0.650.200.70-1.00≤0.03≤0.03≤0.20≤0. ... 03≤0.20≤0.20≤0.2572A 72B0.720.200.70≤0.03≤0.03≤0.20≤0.20≤0.25SAE10800 ... .800.220.70≤0.03≤0.03≤0.20≤0.20≤0.2582A ... 523-86808039Mob: 0086-186-5117-4066Skyp: shelly_wire Carbon Content 0.72% 20 SWG to 32 SWG Wire