Nitronic 50, XM-19
| Known also by it’s trade name Nitronic 50, XM-19 Stainless Steel provides a combination of corrosion resistance and strength not found in any other commercial material available in its price range. | |||||||||||||||||||||||
| Typical Analysis |
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| Characteristics | This austenitic stainless steel has corrosion resistance greater than that provided by Types 316, 316L, 317 and 317L, plus approximately twice the yield strength at room temperature. In addition, XM-19 Stainless Steel has very good mechanical properties at both elevated and sub-zero temperatures. And, unlike many austenitic stainless steels, XM-19 does not become magnetic when cold worked or cooled to sub-zero temperatures. High Strength (HS) XM-19 Stainless Steel has a yield strength about three to four times that of Type 316 stainless steel. | ||||||||||||||||||||||
| Applications | XM-19 is ideal in applications where 316L and 317L are only marginal. It has found wide use in petroleum, petrochemical, chemical, pulp & paper, textile, nuclear, and marine industries. The relative high strength and corrosion resistance of both the annealed condition and high strength condition of the alloy find wide application in oil and gas production for pump shafts, sucker rods and hydraulic manifold blocks for blow-out preventer. In addition the low magnetic permeability make it valuable for down-hole non-magnetic drill string components and “MWD” (measure while drilling) housings. |
| Minimum Room Temperature Tensile Properties of High Strength (HS) Bars |
| Size -Inch (MM) | UTS ksi (Mpa) | 0.2% YS ksi (Mpa) | Elongation | Reduction of Area % | Hardness Brinell | Charpy V-Notch ft lbs (J) |
| 3/4 to 1 1/4 (17.5 to 31.8) | 145 (1000) | 130 (896) | 18 | 45 | 283 | 80 (108) |
| Over 1 1/4 to 2 incl (31.8 to 50.8) | 135 (931) | 105 (724) | 20 | 50 | 260 | 100 (135) |
| Over 2 to 2 1/2 (50.8 to 63.5) | 120 (827) | 95 (655) | 20 | 50 | 220 | 100 (135) |
| Over 2 1/2 to 3 incl | 115 (793) | 75 (517) | 25 | 50 | 210 | 100 (135) |
Also available in annealed.
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