Low carbon steel welding rods generally refer to MAGNA307 welding rods. The tensile force of the MAGNA307 welding rod is 84000 (59), and the welding power supply is AC-DC RP or SP. MagnA307 welding rod is a steel alloy welding rod, which is a universal welding rod that can weld all low carbon steel and miscellaneous steel in various positions. It can complete underwater welding without sparks or splashes, and can be used for both AC and DC applications.