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Ferrite Stainless Steel 439 1.2mm Brushed Stainless Steel Strip Coil
1.439 stainless steel
| Description | Hot Rolled or Cold Rolled Stainless Steel Coil |
| Thickness (mm) | 0.3-12mm |
| Width(mm) | 100mm-2000mm |
| Stainless Steel grade | Ferrite:439 |
| Typical usage | Chemical instrument,Heat exchanger,Kitchenware,Handware,Automobile parts. |
| Metallurgy,Machinery,Papermaking,Food industry ect. | |
| 2mm-5mm hot rolled coil were suggested to used as cold rolled stainless steel material |
chemical composition
| Country | Standard | Grade | (%)Chemical Composition | ≤ | |||||||
| C | Si | Mn | P | S | Cr | Ni | N | Ti | |||
| USA | ASTM | 439 | 0.03 | 1.00 | 1.00 | 0.04 | 0.03 | 17.0- 19.0 | ≤ 0.5 | ≤ 0.04 | 0.2+4(C+N)－1.10 |
| Ger | DIN | 1.4510 | 0.05 | 1.00 | 0.00 | 0.04 | 0.015 | 16.0-18.0 | - | - | 4(C+N)－0.80 |
2. Mechanical Property
| Standard | Mechanical Property | |||
|
Tensile Strength | Yield Strength | Elongation(%) | Hardness | |
| N/m㎡ | (≤)N/m㎡ | (≥)% | (≤)HV | |
| ASTM | ≥415 | 205 | 22 | 180 |
3. Main purpose of Surface
| Surface Finish | Definition | Application |
| 2B | Those finished, after cold rolling, by heat treatment, pickling or other equivalent treatment and lastly by cold rolling to given appropriate luster. | Medical equipment, Food industry, Construction material, Kitchen utensils. |
| BA | Those processed with bright heat treatment after cold rolling. | Kitchen utensils, Electric equipment, Building construction. |
| NO.3 | Those finished by polishing with No.100 to No.120 abrasives specified in JIS R6001. | Kitchen utensils, Building construction. |
| NO.4 | Those finished by polishing with No.150 to No.180 abrasives specified in JIS R6001. | Kitchen utensils, Building construction, Medical equipment. |
| HL | Those finished polishing so as to give continuous polishing streaks by using abrasive of suitable grain size. | Building Construction. |
| NO.1 | The surface finished by heat treatment and pickling or processes corresponding there to after hot rolling. | Chemical tank, pipe. |
Progress of Coil Cutting line
