The core principles are “prevent corrosion, preserve strength, avoid damage.
1. Pre-assembly preparation
Clean the plate and connection points of oil, dust, rust, etc., using neutral cleaners, then dry.
Inspect the surface for scratches, deformation, cracks; repair minor damage before assembly.
Prepare compatible hardware, preferably same-material or 316 stainless steel fasteners and washers to avoid galvanic corrosion with carbon steel.

2. Connection and fastener selection
Prefer bolting or welding; avoid riveting that causes local stress concentration.
Bolts: use stainless steel spring washers and flat washers, torque within recommended range to prevent thread or plate damage.
Welding: use low-heat input methods such as TIG; welding parameters must match material properties to avoid coarse grains or strength loss.

3. Post-welding treatment
Re-age heat treatment (480–580℃ for 2–4 hours, air-cooled) to restore weld and heat-affected zone strength.
Remove weld slag and spatter; polish with stainless steel-specific polish to prevent localized corrosion.
Apply corrosion-resistant coating on weld joints if needed.

4. Damage prevention during assembly
Avoid sharp tools contacting the surface; use protective pads when necessary.
When connecting with dissimilar metals (e.g., carbon steel), add insulating pads (rubber, plastic) to prevent galvanic corrosion.
After assembly in humid or outdoor environments, remove residual water promptly.

5. Dimensional and stress control
Check plate dimensions and installation reference; allow for thermal expansion/contraction based on service temperature range.
Ensure uniform gaps for multi-plate assembly to avoid deformation or loose connections.
Load-bearing assembly should distribute forces evenly to maintain structural stability.