Technical Data Sheet
LESCALLOY HY-TUF VAC ARC® is a high strength low alloy steel. within the tensile range 220/240 ksi (1517/1655MPa) LESCALLOY HY-TUF VAC ARC has good ductility, fracture toughness and impact strength. HY-TUF is most commonly used for aircraft landing gear, flap tracks and other structural applications.
| Chemical Composition Limits | ||||||
| Weight% | C | Mn | Si | Ni | Cr | Mo |
| LESCALLOY HY-TUF VAC-ARC® | 0.25 | 1.35 | 1.50 | 1.80 | 0.30 | 0.40 |
Availability
LESCALLOY HY-TUF VAC ARC® is available in bar (round bar). For all stock availability contact Sales.
Typical Mechanical Properties
| Material | Orinentation | Ultimate Tensile Strength (Mpa) | 0.2 % Yield Strength (Mpa) | % Elongation | % Reduction of Area |
| LESCALLOY HY-TUF VAC ARC® | Transverse | 1517 | 1276 | 5 | 30 |
| Typical Transverse specification limits after the following heat treatments 1725°F (940 °C), one hour, air cool 1600°F (871°C), one hour, oil quench 550°F (288°C), two hours, air cool |
Specifications
AMS 6418
AMS 6425 (Vac Melt)
AMS 2300
AMS 2301
AMS 2304
AMS-S-7108
MIL-S-7108
ASTM A322
UNS K32550
DMS-1841 Grd B
DMS-1841 Grd A