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 STUDBOLTS HEX HEAD BOLT HEAVY HEX NUT SCREWS
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INCOLOY® Alloy 925
UNS N09925; NACE MR-01-75 |
| Component |
  Wt. % |
Al |
0.3 |
C |
0.01 |
Cr |
21 |
Cu |
1.8 |
Fe |
28 |
Mo |
3 |
Ni |
44 |
Ti |
2.1 |
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Material Notes:
A precipitation-hardenable nickel-iron-chromium alloy with additions of molybdenum and copper. It combines the high strength of a precipitation-hardenable alloy with the excellent corrosion resistance of INCOLOY alloy 825. The alloy has outstanding resistance to general corrosion, pitting, crevice corrosion, and stress-corrosion cracking in many aqueous environments including those containing sulfides and chlorides. Used for surface and down-hole hardware in sour gas wells and for oil-production equipment. |
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| Physical Properties |
Metric |
English |
Comments |
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Density |
8.05 g/cc |
0.291 lb/in³ |
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Mechanical Properties
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Tensile Strength, Ultimate |
1210 MPa |
175000 psi |
 Precipitation Hardened. Value at room temperature. Value at 550°C is 970 MPa. |
Tensile Strength, Yield |
810 MPa |
117000 psi |
 Precipitation Hardened. Value at room temperature; 0.2% offset. Value at 550°C is 700 MPa. |
Elongation at Break |
24 % |
24 % |
 Precipitation Hardened. Value at room temperature. Value at 550°C is 25%. |
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