Non-preheating and non-copper-plating automatic low-alloy-steel welding wire for ships and production technology of wire
A low-alloy steel, production process technology, applied in metal processing equipment, welding media, manufacturing tools, etc., can solve the problems of increasing the softening tendency of welding heat effect, reducing production efficiency, increasing production cost, etc., to achieve good welding effect, The effect of avoiding cold cracks and ensuring cleanliness
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Embodiment 1
[0020] The low-alloy steel automatic welding wire for ships without preheating and copper plating in this embodiment includes: C 0.02%, Mn 2%, Ni 4%, Mo 0.5%, Si 0.5%, Cu 0.2%, Cr 0.5 %, V 0.1%, Ti 0.01%; the wire diameter is drawn from Ф4.0mm to Ф1.0mm.
Embodiment 2
[0022] The low-alloy steel automatic welding wire for ships without preheating and copper plating in this embodiment includes: C 0.05%, Mn 3%, Ni 3%, Mo 0.7%, Si 0.6%, Cu 0.3%, Cr 0.6 %, V 0.06%, Ti 0.03%; the wire diameter is drawn from Ф4.0mm to Ф1.0mm
Embodiment 3
[0024] The low-alloy steel automatic welding wire for ships without preheating and copper plating in this embodiment includes: C 0.1%, Mn 4%, Ni 2%, Mo 1%, Si 0.8%, Cu 0.5%, Cr 1.2 %, V 0.12%, Ti 0.05%; the wire diameter is drawn from Ф4.0mm to Ф1.0mm.
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