Since early 2020, we are setting up standard for colored stainless steel, established a full set of quality management system which enable us to bring excellent products and great services.
|
ITEM |
TEST |
TEST STANDARD |
SURFACE |
|
|
|
|
|
COLD ROLLED 2B |
|
|
|
|
|
BRUSH |
MIRROR |
|
1 |
Glossness |
|
≥600GU(60°) |
≥300GU(60°) |
|
2 |
Roughness |
|
≤0.02μm |
≤0.25μm |
|
3 |
Color-L |
|
|
|
|
4 |
Color-a |
|
|
|
|
5 |
Color-b |
|
|
|
|
6 |
Coating Thickness |
JB/T 7707&YB/T 4333 |
|
|
|
7 |
Abrasive resistance |
GB/T 23989 |
|
|
|
8 |
Hardness |
GB/T 26739 |
|
|
|
9 |
Adhesion |
GB/T5270 |
|
|
|
ITEM |
TEST |
TEST STANDARD |
SURFACE |
|
|
PVD COATING |
||||
|
MIRROR GOLD |
MIRROR ROSE GOLD |
|||
|
1 |
Glossness |
|
≥500GU(60°) |
≥300GU(60°) |
|
2 |
Roughness |
|
≤0.03μm |
≤0.03μm |
|
3 |
Color-L |
|
70-85 |
50-70 |
|
4 |
Color-a |
|
≤1 |
11-13 |
|
5 |
Color-b |
|
31-33 |
21-24 |
|
6 |
Coating Thickness |
JB/T 7707&YB/T 4333 |
≥0.25μm |
≥0.20μm |
|
7 |
Abrasive resistance |
GB/T 23989 |
≥1000pcs/10N |
≥1000pcs/10N |
|
8 |
Hardness |
GB/T 26739 |
|
|
|
9 |
Adhesion |
GB/T5270 |
≥4B*1 |
≥4B*1 |
|
ITEM |
TEST |
TEST STANDARD |
SURFACE |
|
|
PVD COATING |
||||
|
BRUSH GOLD |
BRUSH ROSE GOLD |
|||
|
1 |
Glossness |
|
≥300GU(60°) |
≥200GU(60°) |
|
2 |
Roughness |
|
≤0.25μm |
≤0.25μm |
|
3 |
Color-L |
|
70-80 |
50-70 |
|
4 |
Color-a |
|
≤1 |
11-13 |
|
5 |
Color-b |
|
31-33 |
21-24 |
|
6 |
Coating Thickness |
JB/T 7707&YB/T 4333 |
≥0.25μm |
≥0.20μm |
|
7 |
Abrasive resistance |
GB/T 23989 |
≥1000pcs/10N |
≥1000pcs/10N |
|
8 |
Hardness |
GB/T 26739 |
|
|
|
9 |
Adhesion |
GB/T5270 |
≥4B*1 |
≥4B*1 |
|
ITEM |
TEST |
TEST STANDARD |
SURFACE |
||
|
BLACK-NO AFP |
BLACK-AFP |
||||
|
BRUSH BLACK |
MIRROR BLACK |
BRUSH BLACK |
|||
|
1 |
Glossness |
|
≥120GU(60°) |
|
≥120GU(60°) |
|
2 |
Roughness |
|
|
|
≤0.1μm |
|
3 |
Color-L |
|
40±2 |
46-50 |
35±2 |
|
4 |
Color-a |
|
±1.5 |
±2.0 |
±1.5 |
|
5 |
Color-b |
|
±2.0 |
±2.0 |
±2.0 |
|
6 |
Coating Thickness |
JB/T 7707&YB/T 4333 |
≥0.20μm |
≥0.15μm |
1.5-2.5μm |
|
7 |
Abrasive resistance |
GB/T 23989 |
≥1000pcs/10N |
≥1000pcs/10N |
≥1000pcs/10N |
|
8 |
Hardness |
GB/T 26739 |
|
|
≥2H |
|
9 |
Adhesion |
GB/T5270 |
≥4B*1 |
≥4B*1 |
YB/T4333 Standard |
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