Before the introduction of Nauticalloy 4462, NauticALLOY 4404 was the Marine industry standard, offers lower strength and corrosion resistance properties than 4462 but is better than 4307.
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 4404 |
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Chemical Composition* |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Mo |
N |
|
% Values (minimum) |
- |
- |
- |
- |
- |
16.50 |
10.00 |
2.00 |
- |
|
% Values (Maximum) |
0.030 |
1.00 |
2.00 |
0.045 |
0.030 |
18.50 |
13.00 |
2.50 |
0.11 |
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Mechanical Properties |
Proof Strength Rp 0.2 |
Tensile Strength |
Elongation A4% |
Hardness Brinell BHN (Min) |
Red of Area % |
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Metric Units (Mpa-N/mm2) |
>240 |
520 - 680 |
40 |
<215 |
30 |
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Imperial Units (ksi) |
>35 |
75 - 100 |
40 |
<215 |
30 |
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Related Specifications |
316L |
AISI 316L |
UNS S31603 |
1.4404 |
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Download the Nauticalloy 4404 data sheets in a PDF format here.
+44 (0) 1902 409409
