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Stainless
Stainless 468
Applications
Primarily employed in automotive exhaust components.
Formability
Similar to 439 HP (tm) stainless.
Principle Design Features
468 is an 18.25% chromium stainless steel, dual stabilized with titanium and columbium, with titanium content lowered for reduction in related surface defects and improved brazing characteristics.
Weldability
High frequency welding has been successfully employed in welding this alloy.
Known Forms
Angle
Channel
Coil
Disc
Flat Bar
Foil
Hexagon Bar
Hollow Bar
Pipe
Plate
Precision Ground Bar
Rectangle Tube
Ring
Rod
Round Bar
Round Tube
Sheet
Square Bar
Square Tube
Standard Beam
Strip
Tee
Additional Data
Chemical Elements
| Aluminum | 0.03 nom |
| Carbon | 0.009 nom |
| Chromium | 18.25 nom |
| Iron | Balance |
| Manganese | 0.4 nom |
| Nickel | 0.22 nom |
| Nitrogen | 0.016 nom |
| Phosphorus | 0.024 nom |
| Silicon | 0.55 nom |
| Sulphur | 0.001 nom |
| Tantalum | 0.25 nom |
| Titanium | 0.1 nom |
Physical Properties
Density: 0.286lb/in³
Mechanical Properties
Thermal Expansion: 5.6µin/in·°F
Mechanical Test Data
| Form | Strip |
| Condition | Annealed |
| Temperature | 68°F |
| Elongation | 32% |
| Rockwell Hardness | B75 |
| Tensile Strength | 67 KSI |
| Yield Strength | 42 KSI |
| Form | Strip |
| Condition | Annealed |
| Temperature | 600°F |
| Elongation | 25% |
| Tensile Strength | 52 KSI |
| Yield Strength | 29 KSI |
| Form | Strip |
| Condition | Annealed |
| Temperature | 1000°F |
| Elongation | 20% |
| Tensile Strength | 40 KSI |
| Yield Strength | 23 KSI |
| Form | Strip |
| Condition | Annealed |
| Temperature | 1600°F |
| Elongation | 69% |
| Tensile Strength | 6 KSI |
| Yield Strength | 4 KSI |