Z408 cast iron electrode: meet the GBEZNiFe-1 is quite AWSENiFe-C1

Description: Z408 is a nickel-iron alloy core, strong reducing graphite coating of cast iron electrode, with high strength, good plasticity, low coefficient of linear expansion. The crack resistance of gray cast iron is similar to that of Z308, but it is stronger than Z308 for nodular cast iron, and it also has good effect on cast iron with high phosphorus content (0.2%P), and the cutting performance is slightly worse than Z308 and Z508. Used for welding of gray cast iron and ductile iron at normal temperature or slightly preheated (to about 200 ℃). AC and DC dual use.

Application: Suitable for repair welding of important high-strength gray castings and ductile castings. Such as cylinder, engine seat, gear, roller, etc.

Note:

Before welding, the welding rod shall be baked at about 150 ℃ for 1h.

Z408 cast iron electrode: meet the GBEZNiFe-1 is quite AWSENiFe-C1

Description: Z408 is a nickel-iron alloy core, strong reducing graphite coating of cast iron electrode, with high strength, good plasticity, low coefficient of linear expansion. The crack resistance of gray cast iron is similar to that of Z308, but it is stronger than Z308 for nodular cast iron, and it also has good effect on cast iron with high phosphorus content (0.2%P), and the cutting performance is slightly worse than Z308 and Z508. Used for welding of gray cast iron and ductile iron at normal temperature or slightly preheated (to about 200 ℃). AC and DC dual use.

Application: Suitable for repair welding of important high-strength gray castings and ductile castings. Such as cylinder, engine seat, gear, roller, etc.

Note:

Before welding, the welding rod shall be baked at about 150 ℃ for 1h.

Z408 cast iron electrode: meet the GBEZNiFe-1 is quite AWSENiFe-C1

Description: Z408 is a nickel-iron alloy core, strong reducing graphite coating of cast iron electrode, with high strength, good plasticity, low coefficient of linear expansion. The crack resistance of gray cast iron is similar to that of Z308, but it is stronger than Z308 for nodular cast iron, and it also has good effect on cast iron with high phosphorus content (0.2%P), and the cutting performance is slightly worse than Z308 and Z508. Used for welding of gray cast iron and ductile iron at normal temperature or slightly preheated (to about 200 ℃). AC and DC dual use.

Application: Suitable for repair welding of important high-strength gray castings and ductile castings. Such as cylinder, engine seat, gear, roller, etc.

Note:

Before welding, the welding rod shall be baked at about 150 ℃ for 1h.

Z100 Cast Iron Electrode

Model GB/T:EZFe-2

Description: Cast iron welding rod with low carbon steel core and oxidizing drug skin burns off the carbon and silicon parts in the molten pool during welding. The weld is steel structure. The weld and the base metal can be fused well, but the drug skin has strong oxidation, large penetration, high hardness in the fusion zone, poor crack resistance and manufacturability, AC and DC dual use, and low price.

Uses: Used for the repair of general cast iron defects, and can weld the old ingot mold after long-term use, and cannot be processed after welding.

Z116/Z117 high vanadium cast iron electrode

Model GB/T:EZV

Description: Low carbon steel core, low hydrogen type high vanadium cast iron welding rod, weld formation of ferrite as the matrix and vanadium carbide dispersion distribution of steel structure, has good crack resistance, the use of DC reverse.

Uses: Used for welding defects of cast iron parts, such as automobile cylinder block, frame gear box, etc., as well as welding high-strength cast iron parts and ductile iron parts. The weldments can be preheated and machined after welding, but the machinability is not as good as Z508, Z308 and Z408.

Chemical composition of deposited metal/%

C≤ 0.25Si≤ 0.7Mn≤ 1.5Fe residual V8-13

Z122Fe Cast Iron Electrode

Model GB/T:EZFe-2

Note: Low carbon steel core iron powder titanium calcium type cold welding cast iron electrode, due to the addition of a large amount of iron powder and the transition from the coating to the weld, thus diluting the carbon in the cast iron, the weld and the cast iron are fused firmly, but the fusion zone has high hardness, good crack resistance, good manufacturability, convenient operation, small arc splash stability, easy slag removal, beautiful weld formation, and both AC and DC.

Application: Used for welding repair of non-machined surface of various gray cast iron parts.

Z208 cast iron welding rod conforms to GBEZC equivalent AWSEC1

Note: Z208 is a cast iron electrode with low carbon steel core and strong graphitized drug skin. The weld can become gray cast iron when it is slowly cooled, and its crack resistance is poor. Can be AC and DC dual-use, low price.

Application: Used for welding and repair defects of gray cast iron.

Note:

1. Before welding, the welding rod shall be baked at about 150 ℃ for 1h.

2. For important casting structures such as stress and impact, this electrode should not be used.

3. Defects in small thin-walled castings with little rigidity can be welded without preheating, while general weldments need to be preheated to 400 ℃, and heat preservation and slow cooling after welding, then the welding and repair parts may be cut.

Z208DF Cast Iron Welding Electrode

Model GB/T:EZC

Description: Steel core cast iron cold welding electrode, with strong graphitization and ferrite ability, cold welding joints have excellent crack resistance and machinability, AC and DC dual use.

Application: Used for various defects of cold welding, semi-hot welding or hot welding gray mouth castings, suitable for welding and mending the processing surface and non-processing surface of gray cast iron.

Chemical composition of deposited metal/%

C3.5-4Si3.5-4Mn0.4-0.75Fe residual Ni≤ 1

Z238 cast iron welding rod in accordance with GBEZCQ

Note: Z238 is a ductile iron electrode with low carbon steel core and strong graphitized coating. Due to the addition of a certain amount of ductile agent, the graphite in the deposited metal is precipitated spherically during the cooling process, which can be used for both AC and DC purposes.

Purpose: For welding and patching ductile iron parts.

Note:

1. Before welding, the welding rod shall be baked at about 250 ℃ for 1h.

2. Before welding, the weldment shall be preheated to about 500 ℃, and the repair welding place may be cut.

3. Heat treatment specification

Positive fire treatment: 900-920 ℃ heat preservation for 2.5h, furnace cooling to 730-750 ℃ heat preservation for 2h and air cooling.

Annealing treatment: heat preservation at 900-920 ℃ for 2.5h, furnace cooling to below 100 ℃.

Z238DF Cast Iron Welding Electrode

Model GB/T:EZCQ

Description: Steel core nodular cast iron cold welding electrode, adding special spheroidizing agent and strong ferrite elements, has good crack resistance and mechanical properties, AC and DC dual-use.

Uses: mainly used for all kinds of ductile iron parts processing surface and non-processing surface welding.

Chemical composition of deposited metal/%

C3.2-4Si3.2-4Mn≤ 0.8Fe residual Ni≤ 1 spheroidizing agent 0.04-0.15

Z238SnCu cast iron electrode

Model GB/T:EZCQ

Description: Low carbon steel core, strong graphite cast iron welding rod, adding a certain amount of nodulizer and tin copper strengthening elements, the deposited metal has high spheroidization stability, good mechanical properties, AC and DC dual use.

Application: For welding and welding of ductile iron, vermicular graphite cast iron, alloy cast iron, malleable cast iron and gray cast iron

Chemical composition of deposited metal/%

C3.5-4Si3.5Mn≤ 0.8REMgCuSn right amount

Z248 cast iron electrode

Model GB/T:EZC

Description: cast iron core, strong graphitization of cast iron welding rod, graphitization ability is strong, the deposited metal and the base metal in the organization, performance and color is basically the same, AC and DC dual use.

Application: Used for welding repair of gray cast iron, especially suitable for welding repair of larger cast iron parts.

Chemical composition of deposited metal/%

C2-4Si2.5-6.5Mn ≤ 0.75Fe surplus

Z258 Cast Iron Electrode

Model GB/T:EZCQ

Description: cast iron core, strong graphitization of cast iron welding rod, containing yttrium rare earth or magnesium, spheroidizing ability is strong, the deposited metal and the base metal in the organization, performance and color is basically the same, AC and DC dual use.

Purpose: Used for welding of ductile iron, especially for welding of larger ductile iron parts.

Chemical composition of deposited metal/%

C3.2-4Si3.2-4Mn≤ 0.8Fe residual Ni≤ 1 spheroidizing agent 0.04-0.15

Z238F/Z268 Cast Iron Electrode

Model GB/T:EZCQ

Description: Carbon steel core, strong graphitized cast iron electrode, adding special nodularizer, has good crack resistance and mechanical properties, the deposited metal and the base metal in the organization, performance and color are basically similar.

Application: For welding of various ductile iron and high strength gray iron.

Chemical composition of deposited metal/%

C ≈ 3.2Si ≈ 4Mn ≈ 0.5 Spherical agent right amount

Z308 cast iron electrode conforms to the GBEZNi-1 quite AWSENi-C1

Description: Z308 is a cast iron electrode with pure nickel core and strong reducing graphite coating. When welding, the weldment can not be preheated and has good crack resistance and processing performance. Nickel is expensive and should be used when other electrodes cannot be met. AC and DC dual use.

Application: Used for repair welding of thin cast iron parts and processing surfaces, such as engine seat, machine tool guide rail, gear seat and other important gray cast iron parts.

Note:

1. Before welding, the welding rod shall be baked at about 150 ℃ for 1h.

2. The stress in the welding area can be eliminated by hammering the weld to avoid cracks