Grade 430 is a ferritic, straight chromium,non-hardenable grade, combining good corrosion resistance and formability characteristics with useful mechanical properties. Its ability to resist nitric acid attack permits its use in specific chemical applications but automotive trim, indoor panelling such as refrigeration cabinets and appliance components are its largest fields of application.This grade is only readily available in sheet and coil (up to 1.2mm thick), most commonly in BA or 2B finishes, or polished to No4. The BA finish sheet has a quite bright, reflective appearance.
430 Stainless Steel Flat Bar Specification
| Product | 430 Stainless Steel Flat Bar | Grade | 200 series:201, 202 etc. |
| Thickness | 0.2-300mm or as required | 300 series:304, 304L, 316, 316L, 301, 302, 303, 309, 309S, 310, 310S, 321, 904L etc. | |
| Width | 0.12-2.0mm or as required | 400 series:410, 420, 430, 440 etc. | |
| Length | 1-12m or as required | Duplex stainless:2205, 2507 2304 etc. | |
| Standard | ASTM,JIS,SUS,GB,DIN | Other:1.4410, 1.4362, 254SOM etc. | |
| Technique | Hot rolled / Cold rolled | Surface | 2B,BA,No.1,No.4,No.8,8K,Mirror,Checkered,Embossed,Hairline,Sand Blast,StainBrush,Etching,etc. |
Chemical Composition Specification (%)
| Grade | C | Mn | Si | P | S | Cr | Ni |
|---|---|---|---|---|---|---|---|
| 430 | 0.12 max | 1.00 max | 1.00 max | 0.040 max | 0.030 max | 16.0 - 18.0 | 0.75 max |
Mechanical Properties
| Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
|---|---|---|---|---|
| Rockwell B (HR B) max | Brinell (HB) max | |||
| 450 | 205 | 22 | 89 | 183 |
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