Coating stainless steel

ATA’s Coating stainless steel process applies a high-quality, durable coating on the stainless steel surface, effectively enhancing corrosion resistance, wear resistance and aesthetic appeal, while retaining the material’s inherent mechanical properties, suitable for stainless steel precision machined parts in industrial, commercial and household scenarios.
Our Coating stainless steel technology is widely applied in architectural decoration, industrial equipment and home appliances, fully complying with international standards such as ISO 9001, ASTM A480 and DIN EN 10088, ensuring strict control of coating adhesion, durability and environmental adaptability.

Service

ATA Coating stainless steel Service

Coating stainless steel is a professional surface treatment process that applies a functional or decorative coating on the stainless steel surface to improve the material’s performance and appearance, adapting to different use environment requirements.
The process is completed by surface derusting and cleaning, coating configuration, precision spraying/dipping, temperature-controlled curing and post-coating inspection to ensure a uniform, firm and long-lasting coating effect.
ATA provides one-stop Coating stainless steel services, covering material analysis, coating type selection, precision coating construction, curing and quality inspection, to meet customized performance and aesthetic needs of different industries.
Sandblasting machines are used to sandblast steel.
Capability&Advantages

ATA Coating stainless steel Capability

Coating stainless steel is suitable for a variety of user scenarios that require enhanced material performance and aesthetic appearance, including the surface treatment of stainless steel pipe fittings, stainless steel electrical box, industrial equipment components and architectural decorative parts, adapting to the needs of architecture, industry, home appliances and catering industries.
ATA has strong capabilities in Coating stainless steel, with a team of professional coating technicians and advanced automatic coating equipment, which can handle stainless steel workpieces of different sizes, thicknesses and shapes, adopting high-quality, environmentally friendly coating materials and scientific curing processes to ensure uniform coating, strong adhesion, wear-resistant and corrosion-resistant, fully meeting high-standard surface treatment needs of various industries.

ATA Coating stainless steel standard

The ATA coating stainless steel standard requires strict control over workpiece dimensions, coating parameters, material performance and coating quality, which can be achieved through professional coating equipment, scientific selection of coating materials and process parameters, and strict pre-coating treatment and post-curing inspection.
Standards
Description
Workpiece thickness range
Cold-rolled stainless steel: 0.3-15.0mm; Hot-rolled stainless steel: 1.0-70mm; Thickness deviation ≤±0.02mm, uniform thickness to ensure uniform coating
Workpiece size range
Minimum coating size: 5×5×5mm; Maximum coating size: 1600×1200×500mm; Dimensional tolerance ±0.01mm, no size fluctuation
Coating type
Powder coating, liquid coating, electrophoretic coating optional; Coating uniform, no bubbles or cracks, consistent appearance across the entire surface
Coating thickness
Coating thickness: 20-150μm; Uniform thickness, no local thinning or thickening; Thickness tolerance ±5μm, consistent across the workpiece
Coating temperature requirement
Curing temperature: 160-220℃ for powder coating; 80-120℃ for liquid coating; Adjust based on coating type, temperature fluctuation ≤±3℃
Curing time requirement
Curing time: 15-60 minutes; Adjust based on temperature and coating thickness: 15-30 minutes for thin coating, 30-60 minutes for thick coating
Applicable stainless steel grades
Suitable for 304, 316L, 321, 310S, 201, 430; Workpiece surface free of rust, oil stains, oxide scale or impurities before coating
Coating material requirement
Material type: epoxy, polyester, polyurethane or fluorocarbon; High adhesion, wear resistance and corrosion resistance; No impurities or agglomeration
Coating viscosity (liquid coating)
Viscosity: 20-80s (DIN4); Stable viscosity, no drastic fluctuation; Adjust with thinner if needed, no sedimentation
Coating application method
Spraying, dipping, brushing optional; Uniform application, no dripping or sagging; Coating coverage 100%, no missing areas
Coating spray pressure (spraying method)
Spray pressure: 0.3-0.8MPa; Stable pressure, no fluctuation; Pressure tolerance ±0.05MPa to ensure uniform coating thickness
Pre-coating treatment requirement
Degrease with neutral detergent, rinse with pure water; Sandblasting or pickling for surface activation; Dry thoroughly, no water residue or oil stains
Post-coating treatment requirement
Cool naturally to room temperature after curing; Inspect for defects; Touch up missing areas if needed, ensure consistent appearance
Coating material replacement cycle
Replacement cycle: once every 24-48 hours for liquid coating; Replace when material deteriorates or impurities increase to ensure coating quality
Surface defect requirement
No bubbles, cracks, scratches or sagging; No peeling, blistering or pinholes; No coating residue or foreign matter adhesion
Coating adhesion requirement
Adhesion grade: 0-1 (GB/T 9286); No peeling or chipping when tested by cross-cut method; Firmly adhered to workpiece surface
Corrosion resistance requirement
Neutral salt spray test: no rust or coating peeling within 100-200 hours; No corrosion points or discoloration after the test
Coating environment requirement
Clean, dust-free and well-ventilated environment; Ambient temperature: 18-30℃; Humidity: 40%-70%; Avoid dust mixing into coating material
Workpiece clamping requirement
Clamping force uniform: 1-25MPa; No clamping deformation or slipping; Clamping tool no damage to workpiece surface, no coating contamination
Coating temperature stability
Curing temperature fluctuation ≤±3℃; Constant temperature during curing to avoid uneven coating thickness and poor adhesion
Edge coating requirement
Edge coating complete, no missing area; Coating thickness consistent with surface; No edge peeling or chipping, smooth edge
Coating material filtration requirement
Filtration frequency: once every 8 hours for liquid coating; Filtration precision ≤10μm; Remove impurities to keep coating material clean
Coating appearance requirement
Color uniform, consistent with specified standard; No color difference, fading or discoloration; Gloss optional (matte, semi-gloss, high-gloss), uniform gloss
Wear resistance requirement
Wear resistance: ≥500 cycles (Taber abrasion test); No coating peeling or base material exposure after wear test
Coating drying time (liquid coating)
Surface drying time: ≤2 hours; Hard drying time: ≤24 hours; No stickiness after hard drying, good film formation
Curved surface coating requirement (if used)
Coating consistent with curved surface contour; No uneven thickness or missing areas; No sagging or dripping, smooth surface
Coating quality inspection frequency
Inspection frequency: once every 2 hours; Check coating thickness, adhesion and appearance to ensure stable quality
Material Selection for the Process

Coating stainless steel Material Selection

ATA’s Coating stainless steel process has excellent compatibility with various stainless steel materials, which can form a firm and uniform coating while retaining the material’s inherent corrosion resistance and mechanical strength, avoiding coating peeling, discoloration and performance degradation.
Stainless Steel Type
Coating Advantage
Application Scope
Good coating adhesion, cost-effective, suitable for general scenarios
Home appliances, architectural decoration, daily hardware
High corrosion resistance, durable coating, suitable for harsh environments
Industrial equipment, marine parts, chemical machinery
High strength, uniform coating, no deformation after curing
High-pressure equipment, offshore engineering, heavy industry

Coating stainless steel Quality Control

ATA adheres to the whole-process quality management concept in the Coating stainless steel process, from the incoming inspection of stainless steel materials to the final inspection of coated products, strictly implementing international industry standards to ensure that each batch of products meets customer coating adhesion, durability, corrosion resistance and uniformity requirements; we use professional testing equipment and scientific testing methods to conduct comprehensive inspections on the coating quality, and the specific testing methods are as follows:
  • Coating adhesion test: Use a cross-cut test method to detect the adhesion of the coating, ensuring that the coating does not peel off or fall off easily, meeting the core quality requirement of Coating stainless steel.
  • Corrosion resistance test: Conduct salt spray tests and immersion tests on coated components to verify that the coating can effectively enhance the material’s corrosion resistance and adapt to harsh use environments.
  • Wear resistance test: Use a wear tester to detect the wear resistance of the coating, ensuring that the coating remains intact and effective after long-term use and friction.
  • Coating uniformity inspection: Use visual inspection and a thickness gauge to detect the thickness and uniformity of the coating, ensuring that there are no uneven areas, missing coating or bubbles.

Why Choose ATA Coating stainless steel

ATA’s Coating stainless steel service integrates professional surface coating technology, advanced coating equipment and thoughtful after-sales support, providing customers with high-quality, high-efficiency and cost-effective stainless steel surface treatment solutions.
Q-version engineering man in black clothes holding tools
Industry Advantage
ATA has more than 10 years of experience in Coating stainless steel, deeply understands the surface treatment needs of various industries, and has accumulated a large number of successful cases in Food & Beverage Industry and Electrical & Home Appliances.
Equipment Advantage
We are equipped with imported high-precision automatic coating production lines and intelligent curing systems, which can realize continuous high-precision coating, improving production efficiency and ensuring consistent coating quality.
The Q-version engineering guy in black clothes is talking on the phone
Service Advantage
Provide 24-hour technical consultation, customize Coating stainless steel solutions according to customer workpiece characteristics and use scenarios, and provide after-sales maintenance and coating maintenance guidance for finished products.

ATA Stainless steel fabrication Center

ATA Stainless Steel fabrication: One-Stop Precision Solutions for Your Stainless Steel Needs.

Material Selection for the Process

Coating stainless steel Multi-industry Application Solutions

Electrical & Home Appliances Industry: In the home appliance field, Coating stainless steel is used to treat stainless steel cabinet and household appliance panels, forming a wear-resistant, scratch-resistant and aesthetic coating that enhances the product’s service life and market competitiveness, fully meeting the needs of home use scenarios.
Food & Beverage Industry: Applied to the surface treatment of stainless steel sink and food processing equipment, Coating stainless steel ensures a hygienic, corrosion-resistant and easy-to-clean surface that avoids food contamination, meeting strict food safety standards.
Architectural & Decoration Industry: Used for the surface treatment of stainless steel guardrail and interior/exterior decorative parts, Coating stainless steel enhances the material’s weather resistance and aesthetic appeal, keeping the decoration intact and beautiful for a long time, suitable for shopping malls, hotels and high-end residential areas.
Pharmaceutical & Biotechnology Industry: Applied to the surface treatment of stainless steel medicine cabinet and clean room equipment, Coating stainless steel creates a sterile, corrosion-resistant surface that avoids contamination, meeting strict medical hygiene requirements.
Commercial & Catering Industry: Used for the surface treatment of stainless steel commercial kitchen equipment and commercial display counters, Coating stainless steel resists oil stains, corrosion and scratches, ensuring a clean and professional appearance, adapting to the high-frequency use scenarios of commercial places.
Coating stainless steel Multi-industry Application Solutions

Coating stainless steel FAQS

Q1: How can ATA’s Coating stainless steel process ensure the coating’s durability and avoid peeling or fading in harsh use environments?
A1: ATA adopts high-quality, environmentally friendly coating materials and scientific curing processes, precisely controlling curing temperature, time and coating thickness, and conducting strict adhesion and corrosion resistance tests before leaving the factory, ensuring that the coating has strong weather resistance and durability, and avoiding peeling or fading even in harsh environments such as high humidity and corrosion.
A2: We adopt fully automatic coating equipment and implement strict quality control standards; each batch of materials is subject to unified incoming inspection, the coating process is monitored in real time by intelligent systems, and finished products are sampled and inspected according to international standards to ensure batch consistency and avoid defects such as uneven coating and insufficient adhesion.
A3: Yes, ATA is equipped with precision coating equipment and adopts customized spraying or dipping processes for complex-shaped and small-sized workpieces, optimizing coating parameters and clamping methods to ensure that every part of the workpiece is uniformly coated, avoiding missing coating and uneven thickness, while ensuring the coating’s adhesion and durability.
A4: We have a professional R&D team that can customize coating solutions according to the industry’s use scenarios and requirements, select appropriate coating materials (such as anti-corrosion, wear-resistant or decorative coatings), adjust coating thickness and color, and provide sample testing before mass production to ensure that the coating meets customer performance and aesthetic expectations.

Durable Custom Coating For Stainless Steel

ATA is your trusted professional manufacturer specializing in high-precision stainless steel fabrication, providing custom one-stop solutions for your projects.

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