P550 Nonmagnetic Alloy
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Specification, Chemical & Mechanical Performance
P550 Nonmagnetic Alloy
P550 is a non-magnetic, austenitic manganese-chromium steel alloy with high nitrogen content, designed for superior corrosion and wear resistance. The P550 Hollow Bars offer versatility and durability, making them suitable for a wide range of industrial applications where non-magnetic properties and material strength are critical. Crafted from Mn-Cr steel, these hollow bars deliver reliable performance in demanding environments.
Equivalent grades
- Nonmagnetic Alloy P550
- P550 austenitic Mn-Cr-N-steel
Chemical Composition Reference
C: 0.06%
Si:1%
Mn: 20.5%~21.6%
P: 0.035%
S: 0.02%
Cr: 18.3%~20%
Ni: 1.4%
Mo: 0.5%
N: 0.55%
Physical Property Reference
- Relative permeability: < 1,005
- Tensile Strength: 1035 MPa
- Yield Strength: 900 MPa
- Hardness: HB 350 ~ 430
- Elongation: 20%
Essential details
P550 Nonmagnetic Alloy drill collars are crafted from low-carbon high-chromium manganese alloy steel, offering exceptional low magnetic permeability (μr ≤ 1.010) and superior mechanical strength. With tensile strength ≥827MPa and yield strength ≥758MPa achieved through advanced quenching and tempering, these collars ensure reliable performance in critical oil drilling monitoring applications. Available in diameters from 16 to 200mm and lengths from 1 to 6 meters, they can be customized to fit specific drilling rig requirements, providing precision and durability for demanding operational environments.
Typical Applications:
- Aerospace
- Medical equipment
- Precision instruments
