Nauticalloy 22HS combines high strength with the best corrosion resistance to offer the ultimate marine shaft material.
Nauticalloy 22HS is a non magnectic alloy steel.
All Nauticalloy produced can be supplied complete with 3rd party Inspection, testing and certification.
All Nauticalloy produced can be supplied with dimensional reports confirming diameter tolerance and straightness.
All Nauticalloy produced has a straightness tolerance up to 80mm dia of 0.005”- 0.010” TIR and 85mm and above we aim for 0.010” TIR. (TIR=Total Indicator Reading)
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NAUTICALLOY 22HS |
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Chemical Composition* |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Mo |
N |
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% Values (minimum) |
- |
- |
4.00 |
- |
- |
20.50 |
11.50 |
1.50 |
0.20 |
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% Values (Maximum) |
0.060 |
1.00 |
6.00 |
0.04 |
0.030 |
23.50 |
13.50 |
3.00 |
0.40 |
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Mechanical Properties |
Proof Strength Rp 0.2 |
Tensile Strength |
Elongation |
Red of Area % |
Hardness Brinell BHN (Min) |
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Metric Units (Mpa-N/mm2) |
>725 |
825 - 1150 |
15 |
45 |
<340 |
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Imperial Units (ksi) |
>105 |
120 - 165 |
15 |
45 |
<340 |
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Related Specifications |
UNS S20910 |
XM-19HS |
Nitronic® 50 |
1.3964 |
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Download the Nauticalloy 22HS data sheets in a PDF format here.
NOTE: Material produced to ASTM A479 will have Rp0.2 >415Mpa and UTS >700Mpa
+44 (0) 1902 409409
