Welding and Painting

Seam Inspection: The weld seam should be smooth, continuous, and uniform. There should be no cracks, dents, or voids on the seam.
Width and Depth: The width and depth of the weld seam should match the material thickness. Adequate fill enhances durability.
Defect and Flaw Analysis: Any defects and flaws in the weld seam (cracks, holes, porosity) should be carefully analyzed and corrected.
Heat Distribution: The heat distribution in the weld area should be even and should not cause deformation of the material.

Cleaning: The surfaces of the materials to be welded must be clean. Contaminants such as dirt, oxidation, and rust can affect weld quality.
Material Compatibility: The type and thickness of the materials to be welded must be compatible with the welding method used.
Surface Preparation: The surfaces to be welded should be smooth and even prior to welding. This enhances the quality of the weld seam.
Warping and Distortion: Any warping or distortion in the materials should be corrected to avoid issues during the welding process.
Temperature: The materials should be within the appropriate temperature range during welding. This affects the quality of the weld.

Weak Weld Joints: Faulty welding can lead to weak connections and structural weakness, affecting the product’s durability.
Temperature Errors: Excessive or insufficient heat can cause material deformation or cracks in the weld seam.
Oxidation and Contamination: Oxidation and contamination during welding can reduce the quality of the weld and lead to welding defects.
Incorrect Material Selection: Welding with unsuitable materials can affect the strength of the weld joints and may cause damage.

Cleaning: Metal surfaces should be cleaned before applying paint after welding. Dirt, grease, and oxides can prevent proper adhesion of the paint.
Corrosion Protection: Protective coatings should be applied before painting to safeguard the weld seams.
Sealing: Ensure that the weld area and its surroundings are thoroughly covered with paint.
Appropriate Paint Selection: The type of paint used after welding should be suitable for the metal properties. Industrial and epoxy paints are appropriate for protective coatings.

Defective Paint Coating: Faulty welding can create irregularities and gaps in the paint coating, which can cause problems with long-term protection.
Corrosion Risk: Errors in weld seams can reduce the paint’s ability to protect against corrosion, leading to potential rusting of the metal.
Aesthetic Problems: Faulty weld seams can prevent the paint from being applied smoothly and aesthetically, affecting the appearance and aesthetic quality of the product.

Application Areas:

1. Industrial Paint:
   • Metal Structures: Large metal structures such as bridges, towers, and buildings.
   • Machinery and Equipment: Machines and equipment used in factories.
   • Transportation Vehicles: Trucks, trains, ships, and other transportation vehicles.
   • Industrial Facilities: Production facilities and warehouse buildings.
   • Piping and Plumbing: Metal pipelines and water installations.

1. Epoxy Paint:

1. • Industrial Flooring: Factory floors, warehouses, and workshop floors.
   • Chemical Processing Plants: Chemical reaction tanks and processing areas.
   • Pipes and Tanks: Chemical transportation pipes and storage tanks.
   • Marine and Underwater Structures: Ships and underwater structures.
   • High Corrosion Risk Areas: Underwater pipes and metal surfaces in contact with seawater.

Advantages:

1. Industrial Paint:
   • Ease of Application: Offers quick drying and various application methods (brush, roller, spray).
   • Aesthetic Variety: Provides a wide range of colors and textures.
   • General Protection: Protects metal surfaces against general weather conditions and mechanical wear.

1. Epoxy Paint:

1. • High Durability: Provides high resistance to chemical, physical wear, and corrosion.
   • Long-Term Protection: Waterproof and offers high moisture resistance, ensuring long-lasting protection.
   • Excellent Adhesion: Provides excellent adhesion and coating on metal surfaces.

• Chemical and Physical Durability:
  • Industrial Paint: Provides general protection but has lower chemical resistance compared to epoxy paints.
  • Epoxy Paint: Offers high chemical and physical durability with excellent resistance to acidic and alkaline substances.
• Drying and Application:
  • Industrial Paint: Generally dries faster and is easier to apply.
  • Epoxy Paint: May have a longer drying time and often requires a two-component system, making the application process more complex.
• Protective Properties:
  • Industrial Paint: Provides general-purpose protection. Resistant to weather conditions and wear.
  • Epoxy Paint: Offers higher corrosion protection and is waterproof, making it ideal for areas with high humidity and chemical risks.

1. Wear Plates
   • Epoxy Paint:
     • Suitability: The best choice for wear plates.
     • Advantages: Provides high wear resistance, chemical resistance, and long lifespan. Epoxy paint enhances the durability of wear plates and offers long-term protection.

1. Aluminum

1. • Industrial Paint:
     • Suitability: Commonly used on aluminum.
     • Advantages: Provides an aesthetic appearance and sufficient protection on aluminum surfaces. However, a suitable primer is necessary for good adhesion and longevity.
   • Epoxy Paint:
     • Suitability: Can also be used on aluminum, though industrial paint is generally preferred.
     • Advantages: Offers higher protection and chemical resistance, providing longer life and durability on aluminum surfaces.

1. Chrome

1. • Epoxy Paint:
     • Suitability: Delivers the best results on chrome-plated surfaces.
     • Advantages: Ensures excellent adhesion and high corrosion protection for chrome surfaces, along with an aesthetic appearance.

1. Black Sheet Metal

1. • Industrial Paint:
     • Suitability: Commonly used on black sheet metal.
     • Advantages: Provides an aesthetic look and sufficient protection. It offers a durable coating, especially for industrial applications.
   • Epoxy Paint:
     • Suitability: Can also be used on black sheet metal.
     • Advantages: Provides higher protection, wear, and chemical resistance, extending the life and durability of black sheet metal.

1. Galvanized Sheet Metal

1. • Industrial Paint:
     • Suitability: Can be used on galvanized sheet metal.
     • Advantages: Offers corrosion protection and an aesthetic appearance on galvanized sheet metal. A suitable primer is recommended.
   • Epoxy Paint:
     • Suitability: Provides effective coating on galvanized sheet metal.
     • Advantages: Offers higher protection and corrosion resistance, helping to ensure the long lifespan of galvanized sheet metal.

1. NPI, NPU, HEA, HEB Profiles

1. • Industrial Paint:
     • Suitability: Commonly used on these profiles.
     • Advantages: Provides an aesthetic appearance and sufficient protection for profile materials, offering durability for structural applications.
   • Epoxy Paint:
     • Suitability: Can also be used on NPI, NPU, HEA, HEB profiles.
     • Advantages: Provides higher corrosion and chemical resistance, ensuring longer life and durability for profiles.

Located in Trabzon,Turkey, Tekmetsan aims for high-quality standards in welding and painting processes for industrial fabrications. In the field of welding, we ensure seamless joining of metal surfaces, providing durable and reliable connections. After welding, our professional painting applications deliver excellent aesthetic and protective coatings for metals. By using industrial and epoxy paints, we protect metal surfaces against corrosion and achieve long-lasting results. At Tekmetsan, we prioritize quality and safety in both welding and painting processes, completing your projects to the highest standards.