304 stainless steel is a nationally recognized food-grade stainless steel for construction projects, decoration, home appliances, kitchen utensils, chemical food industry, medicine, fiber industry, auto parts, etc.
| Ni | Cr | C | Si | Mn | P | S |
| 8.00~10.5 | 17.5~19.5 | ≤0.07 | ≤1.0 | ≤2.0 | ≤0.045 | ≤0.030 |
|
Surface Grade |
Definition |
USE |
|
No.1 |
After hot rolling, heat treatment, pickling or equivalent treatment is applied. |
Chemical tanks and piping. |
|
No.2D |
After hot rolling, heat treatment, pickling or other equivalent treatments are carried out. In addition, it also includes the use of dull surface treatment rolls for light final cold working. |
Heat exchanger, drain pipe. |
|
No.2B |
After hot rolling, heat treatment, pickling or other equivalent treatments are carried out, and then the surface used for cold rolling is used as an appropriate degree of brightness. |
Medical equipment, food industry, construction materials, kitchen utensils. |
|
BA |
After cold rolling, the surface heat treatment is carried out. |
Dining and kitchen utensils, electrical appliances, building decoration. |
|
No.8 |
Use 600# rotary polishing wheel for grinding. |
Reflector, for decoration. |
|
HL |
Processed with abrasive materials of appropriate granularity to make the surface with abrasive stripes. |
Building decoration. |