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Refrigerator is an important kitchen appliance. It is made of relatively simple material and is used in a gentle environment. The tendency is to use thinner sheet and to make products with larger volume. Currently the applied materials include cold rolled steel, hot dip galvanized steel, prepainted steel, leminated steel, stainless steel and Al-Zn alloy coated steel.
1. Back Cover
Part requirement: Gentle working environment, flat and straight, no special functional requirement.
Material requirement: Flat and straight, easy for assembly.
Recommended materials:
Part No. |
Part No. |
Type |
Grade |
Size(mm) |
Specialty |
1 |
Back colver |
Al-Zn alloy-coated steel |
0.3-0.33 |
Anti-fingerprinting; |
|
Hot dip galvanized steel |
0.3-0.33 |
Anti-fingerprinting; |
2. U case
Part requirements: Proper stiffness, movable, flat and straight, proper hardness and no deformation after foaming.
Material requirements: Flat and straight, thickness ≥0.35mm, Hardness ≥40.
Recommended materials:
Part No. |
Part No. |
Type |
Grade |
Size(mm) |
Specialty |
2 |
U Case |
General cold rolled high strength steel |
BJD300 |
0.35-0.4 |
YS ≥300MPa |
Prepainted Steel |
TSECD |
0.4-0.5 |
Oil-resistant coating; |
||
TDX51D+AZ |
0.45-0.5 |
|
3. Hinge
Part requirements: Proper strength and stiffness, no deformation when bearing weight.
Material requirements: Flat; YS≥200MPa
Recommended materials:
Part No. |
Part No. |
Type |
Grade |
Size(mm) |
Specialty |
3 |
Hinge |
General cold rolled steel |
3.0 |
Available after electro-galvanization |
4. Door case
Part requirements: Flat and straight, proper hardness and no deformation after foaming
Material requirements: Flat and straight hardness≥40
Recommended materials:
Part No. |
Part No. |
Type |
Grade |
Size(mm) |
Specialty |
4 |
Door case |
General cold rolled high strength steel |
BJD300 |
0.35-0.4 |
YS ≥300MPa |
Prepainted Steel |
TSECD |
0.4-0.5 |
Oil-resistant coating; |
||
TDX52+Z |
|||||
TDX51D+AZ |
0.45-0.5 |
|
5. Bottom plate
Part requirements: No fatigue cracking under vibration; Proper stiffness for bearing weight.
Material requirements: Good drawing quality;Proper stiffness; Anti-fatigue
Recommended materials:
Part No. |
Part No. |
Type |
Grade |
Size(mm) |
Specialty |
5 |
Bottom plate |
Hot-dip Galvanized steel |
1.0-2.0 |
Anti-Corrosion |
6. Compressor Motor
Part requirements:Quiet; Energy-efficient;
Material requirements: Small thickness tolerance; high magnetic induction; Low iron loss; Good drawing quality; Flat and straight.
Recommended materials:
Part No. |
Part No. |
Type |
Grade |
Size(mm) |
Specialty |
6 |
Compressor Motor |
Electrical steel |
B50AE-2 |
0.5 |
High-efficiency |
7. Compressor Case
Part requirements: Improved welding and coating property;Pressure-resistant
Material requirements: Deep drawing quality; Uniform performance.
Recommended materials:
Part No. |
Part No. |
Type |
Grade |
Size(mm) |
7 |
Compressor Case |
Pickled steel |
2.6-4 |