| Ф2.5 | Ф3.0 | Ф3.5 | Ф4.0 | Ф4.5 | Ф4.95 | Ф5 | Ф5.5 | Ф5.8 | Ф6.0 |
| Ф6.35 | Ф6.5 | Ф7.0 | Ф7.5 | Ф8.0 | Ф8.05 | Ф8.5 | Ф9.0 | Ф9.5 | Ф10 |
| Ф10.5 | Ф11 | Ф12 | Ф13 | Ф14 | Ф15 | Ф16 | Ф17 | Ф18 | Ф19 |
| Ф20 | Ф20.3 | Ф21 | Ф22 | Ф23 | Ф24 | Ф25 |
| Ф4.0 | Ф5.0 | Ф6.0 | Ф7.0 | Ф8.0 | Ф9.5 | Ф10 | Ф11 | Ф12 | Ф13 |
| Ф14 | Ф15 | Ф16 | Ф17 | Ф18 | Ф19 | Ф20 | Ф21 | Ф22 | Ф23 |
| Ф24 | Ф25 | Ф26 | Ф27 | Ф28 | Ф30 | Ф32 | Ф35 | Ф36 | Ф38 |
| Ф40 | Ф42 | Ф44 | Ф45 | Ф48 | Ф50 | Ф52 | Ф55 | Ф58 | Ф60 |
Stainless Steel Grade 430F is a ferritic, free-machining stainless steel with added sulfur, offering improved machinability compared to 430. It provides moderate strength, corrosion resistance, and ductility but cannot be hardened by heat treatment. 430F is commonly used in applications requiring extensive machining, such as aircraft components, gears, fasteners, and solenoids. While it offers moderate corrosion resistance, it is not suited for highly corrosive or high-pressure environments.
| CHINA | U.S.A | GERMANY | JAPAN | |
| GB/T 1220-2007 | UNS S43020 | WS 1.4109 | SUS 430F | |
| Y1Cr17 | AISI 430F | X6CrMoS17 | JIS G4303 |
| C | SI | Mn | P | S | Cr | Fe | Se | Ni |
| ≤0.12 | ≤1.00 | ≤1.25 | ≤0.06 | 0.15 | 16.00-18.00 | / | / | ≤0.50 |