Z408 cast iron welding rod

The product introduction of cast iron welding rod is as follows
Cast iron welding rod model/
Purpose is used to repair defects in general cast iron parts, and can be used to repair old steel ingot molds after long-term use. It cannot be processed after welding.
/High vanadium cast iron welding rod model/
Used for welding repair of defects in cast iron parts, such as automobile cylinder blocks, rack gear boxes, etc., and also for welding repair of high-strength cast iron parts and ductile iron parts, weldments Preheating is not required, and cutting can be performed after welding, but the processability is not as good as that of welding, welding, and welding.
Cast iron welding rod model/
Used for welding repair of non-machined surfaces of various gray iron castings.
Cast iron welding rod model/equivalent
Used for welding and repairing defects in gray cast iron.
Cast iron welding rod model/
Used for cold welding, semi-heat welding or hot welding of various defects in gray castings, suitable for welding and repairing the machined and non-machined surfaces of gray cast iron.
Cast iron welding rod model/
Used for welding and repairing ductile iron castings.
Cast iron welding rod model/
Purpose: Mainly used for welding of machined and non-machined surfaces of various types of ductile iron castings.
Cast iron welding rod model/
Used for welding and repair of ductile iron, vermicular graphite cast iron, alloy cast iron, malleable cast iron and gray cast iron
Cast iron welding rod model/
Used for Welding repair of gray cast iron is especially suitable for welding repair of larger cast iron parts.
Cast iron welding rod model/
Used for welding repair of ductile iron, especially suitable for welding repair of larger ductile iron parts.
/ Cast iron welding rod model/
Used for welding repair of various ductile iron and high-strength gray iron.
Cast iron welding rod model/equivalent
Used for repair welding of thin cast iron parts and machined surfaces, such as cylinder heads, engine seats, gear boxes, machine tool guide rails and other important gray iron castings. Nickel is expensive and should be used only when other electrodes cannot meet the requirements.
Cast iron welding rod model/equivalent
Used for welding repair of important high-strength gray cast iron and ductile iron, such as cylinders, engines, seat gears, etc.
Cast iron welding rod model/
Used for welding repair of important high-strength gray cast iron and ductile iron, such as cylinders, engines, seat gears, etc.
Cast iron welding rod model/
Used for welding repair of machined and non-machined surfaces of ductile iron and high-strength cast iron.
Cast iron welding rod model
Used for welding repair of gray iron castings with low strength

Cast iron welding rod usage instructions and brief list
Product description
Cast iron Welding rod production license number
Instructions for use of cast iron welding rods
Because cast iron has high carbon content, uneven structure and low plasticity, it is a material with poor weldability. Defects such as white spots, cracks and pores are prone to occur during the welding process. Therefore, cast iron welding repair requires a high level of technical proficiency of the welder. Cast iron welding repair can generally be divided into two types: preheat welding and cold welding.
In order to ensure the welding effect, it is recommended to adopt the following welding measures for reference and selection when welding repairs on castings of different materials and defects.
Type gray cast iron welding rod
Type steel core strong graphitized type coated cast iron welding rod, can be used for both AC and DC. Adding an appropriate amount of graphitizing elements to the coating of steel-core cast iron welding rods can turn the weld into gray cast iron when cooled slowly. If the cooling rate is fast, a white cast iron will be produced and it will be difficult to process. The cooling rate has a great influence on the machinability and weld structure, because the operating process is different from that of general cold welding electrodes. This electrode requires continuous welding and heat preservation after welding to slowly cool the weld. The welding, structure, properties and color of gray cast iron are basically similar to the base metal. However, due to poor plasticity, the welding stress cannot be relaxed and the thermal stress cracking performance is poor. Defects in parts of small thin-walled parts with low stiffness can be welded without preheating. Generally, they should be preheated to the left and right before welding, and slowly cooled after welding. This can prevent cracks and white spots.
Type pure nickel cast iron welding rod
Type is a pure nickel core strong graphitized coated cast iron welding rod, which can be used for both AC and DC, and can be used for all-position welding. When welding, the weldment does not need to be preheated. Among cast iron cold welding electrodes, it has better comprehensive properties such as crack resistance, cutting processability, operating technology and mechanical properties. It is widely used for repair welding of thin cast iron parts and machined surfaces. .
Type pure nickel cast iron welding rod
Type is a cast iron welding rod with a pure nickel core and strong graphitization coating. It can be used for both AC and DC, and can be used for all-position welding. When welding, the weldment does not need to be preheated and has the characteristics of high strength, good plasticity, excellent crackability, and good fusion with the base metal. It can be used for repair welding of important gray cast iron and ductile iron.
The nickel-copper cast iron electrode type is a cast iron electrode with a nickel-copper alloy core and strong graphitized coating. It can be used for both AC and DC, and can be welded in all positions. The process performance and cutting performance are close to those of standard welding rods, but due to the large shrinkage rate and low tensile strength of the weld metal, it is not suitable for repair welding of castings with high stiffness. It can be preheated to left and right welding at normal temperature or low temperature. It is used for repair welding of gray castings with low strength requirements and good plasticity requirements.

Cast iron welding rods
Mostly used for welding repairs on non-machined surfaces of general gray cast iron
Cast iron welding rods
Most used for welding repairs on non-machined surfaces of general gray cast irons , such as cylinder block welding repair, etc.