1. Refrigerator Door 

Parts requirements: The door  is required to have a straight appearance; it has suitable hardness to ensure that it will not deform after foaming.

Material requirements: the appearance is straight; the hardness is above HRB40.

Recommended materials: 

(1) Color-coated  Steel sheet TDC51D+AZ 0.45-0.5mm. 

(2) Ordinary high-strength steel BJD300, 0.35-0.4mm, yield strength ≥ 300MPa. 

(3) Oil-resistant color-coated sheet TDC51D+Z, 0.4-0.5 mm.                                                                                                                                                                                                                             (4) Antibacterial color coated board TSECD/TDC52D+Z, 0.4-0.5mm.

(4) Antibacterial color coated board TSECD/TDC52D+Z, 0.4-0.5mm.

2. Back panel

Parts requirements: good corrosion resistance, good heat resistance, heat dissipation and beautiful appearance surface are required.

Material requirements: good processing properties.

Recommended materials: 

(1) chrome-free,AFP, spangle Aluzinc sheet DC51D+AZ, 0.28-0.35mm; 

(2) high-strength, chrome-free, AFP, spangle Aluzinc sheet DC51D+AZ, 0.28-0.29mm.

3. U Panel

Parts requirements: U panel requires appropriate rigidity for easy handling; straight appearance; appropriate hardness to ensure no deformation after foaming.

Material requirements: the appearance is straight; the thickness is above 0.35mm and the hardness is HRB40.

Recommended materials: 

(1) Color-coated  sheet TDC51D+AZ 0.45-0.5mm. 

(2) Ordinary high-strength steel BJD300, 0.35-0.4mm, yield strength ≥ 300MPa. 

(3) Oil-resistant color-coated sheet TDC51D+Z, 0.4-0.5 mm.

(4) Antibacterial color coated board TSECD/TDC52D+Z, 0.4-0.5mm.

4. Bottom plate

Parts requirements: The bottom plate requires no fatigue cracking under vibration conditions, and has suitable strength to meet the bearing requirements.

Material requirements: good stamping performance, suitable strength and tensile strength.

Recommended material: hot-dip galvanized DC51D+Z, 1-1.2mm, used after spraying.

5. Hinges

Parts requirements: The hinge must have appropriate strength and rigidity to ensure that it does not deform after bearing.

Material requirements: smooth appearance, yield strength above 200MPa.

Recommended material: 

(1) Normal cold SPCC, 3mm, used after electroplating.

 (2) Hot-dip galvanized high-strength steel BJG-PX, 1-1.2mm, tensile strength> 380MPa.