Stainless Steel, Alloy 40
This grade is a Nitrogen strengthened Austenitic Steel which provides a combination of high strength excellent resistance to corrosion especially at high temperatures. This stainless is used in numerous applications including Aircraft components, fasteners, pollution control and chemical processing.
| Chemical Composition (Weight %) |
|||||||||||||||||
| C | P | Si | Ni | Cu | Mn | S | Cr | N | Mo | Fe | |||||||
| Min | 5.5 | 8.00 | 19.00 | 0.15 | |||||||||||||
| Max | 0.04 | 0.06 | 1.00 | 7.5 | 0.75 | 10.00 | 0.03 | 21.50 | 0.40 | 0.75 | Bal | ||||||
| Typical Mechanical Properties (Min) | ||||||||||
| Condition | Tensile Strength, MPa | Yield Strength 0.2%, MPa | Elongation % | Reduction of Area % | Hardness HB | |||||
| A | 621 | 345 | 45 | 60 | ||||||
Related Specifications and Conditions
UNS S20900, UNS21904, XM10, XM11, AMS5656, AMS5561, AMS5562, AMS5595, AMS5656, ASTM A182, ASTM A276, ASTM A479, ASTM A580, ASTM A412, Mil-T-9821
Available Forms
Round bar, flat bar, sheet, strip, wire, coil, tube, forgings
| Chemical Composition (Weight %) |
||||||||
| Min | Max | |||||||
| C | 0.04 | |||||||
| P | 0.06 | |||||||
| Si | 1.00 | |||||||
| Ni | 5.5 | 7.5 | ||||||
| Cu | 0.75 | |||||||
| Mn | 8.00 | 10.00 | ||||||
| S | 0.03 | |||||||
| Cr | 19.00 | 21.50 | ||||||
| N | 0.15 | 0.40 | ||||||
| Mo | 0.75 | |||||||
| Fe | Bal | |||||||
| Typical Mechanical Properties (Min) | |||||||
| Condition A | |||||||
| Tensile Strength, MPa | 621 | ||||||
| Yield Strength 0.2%, MPa | 345 | ||||||
| Elongation % | 45 | ||||||
| Reduction of Area % | 60 | ||||||
| Hardness HB | |||||||
Related Specifications and Conditions
UNS S20900, UNS21904, XM10, XM11, AMS5656, AMS5561, AMS5562, AMS5595, AMS5656, ASTM A182, ASTM A276, ASTM A479, ASTM A580, ASTM A412, Mil-T-9821
Available Forms
Round bar, flat bar, sheet, strip, wire, coil, tube, forgings