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1.4509 / 439 2D 2B Finish Stainless Steel Strip Coil For Exhaust Pipe of Automatic Vehicle
| Product | Stainless Steel Coil, Stainless Steel Roll, Stainless Steel Sheet Coil |
| Material Type | Magnetic Stainless Steel; Ferrite Stainless Steel |
| Material Origin | TISCO, BAOSTEEL, JISCO, LISCO |
| Grade | 430, 410S, 409L,439 |
| Technology | Cold Rolled |
| Thickness | 0.25mm to 2.0mm |
| Width | 1000mm to 1290mm |
| Surface | 2B, 2D, BA, 8K, NO.4, HL, SB, Embossed |
| Edge | Mill Edge, Slit / Trim Edge |
| Other Service | Leveling: improve flatness, esp. for items with high flatness request. |
| Skin-Pass: improve flatness, higher brightness | |
| Strip Slitting: any width from 10mm to 200mm | |
| Sheets Cutting: Square Sheets, Retangle Sheets, Circles, Other Shapes | |
| Protection | 1. Inter paper available |
| 2. PVC protecting film available |
Main purpose
Decoration board for elevator and escalator
Building decoration board, such as decorative structural parts, structural pipe
Automobile exhaust system components
Washing machine inner drum
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 |
Mechanical Property
| Standard | Mechanical Property | |||
|
Tensile Strength | Yield Strength | Elongation(%) | Hardness | |
| N/m㎡ | (≤)N/m㎡ | (≥)% | (≤)HV | |
| ASTM | ≥415 | 205 | 22 | 180 |
439 stainless steel
The 439 steel grade is based on the ordinary ferrite material (430) to reduce the content of C, and the addition of stabilizing elements such as Ti, so that the steel species have improved intergranular corrosion resistance, formability and weldability. Compared with the 304 steel grade, the elongation is low (about 30%), but the strength and corrosion resistance are equivalent, and the corrosion resistance is better than the 200 series materials.
