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| Basic
Properties - Mechanical Properties |
| Ruling Sections up to 65mm |
| 0.2% Proof
Stress (N/mm2 )[ksi] minimum |
630 [91] |
| Ultimate Tensile Strength
(N/mm2) [ksi] minimum |
850 [123] |
| Elongation (%) minimum |
10 |
| Hardness (HBN) |
240 minimum |
|
| Ruling Sections above 65mm |
| 0.2% Proof
Stress (N/mm2 )[ksi] minimum |
555 [80] |
| Ultimate Tensile Strength
(N/mm2) [ksi] minimum |
770 [112] |
| Elongation (%) minimum |
10 |
| Hardness (HBN) |
229 minimum |
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|
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Superior strength, general corrosion resistance
and erosion/corrosion resistance compared to conventional copper
nickels |
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High wear resistance |
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Excellent anti-galling properties, particularly
when operating against stainless steels |
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High corrosion resistance in marine environments |
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No loss of impact strength down to -196°C |
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Good anti-fouling properties |
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Freedom from hydrogen embrittlement |
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Low magnetic permeability |
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Good machinability |
| Elements |
Al |
Cu |
Fe |
Mg |
Mn |
Ni |
Pb |
Si |
Sn |
Zn |
| Minimum |
2.00 |
REMAINDER |
0.50 |
|
0.10 |
13.00 |
|
|
|
|
| Maximum |
4.00 |
|
2.50 |
0.10 |
0.50 |
16.00 |
0.05 |
0.25 |
0.20 |
0.50 |
| Density (Kg.m-3) |
8500 |
| Magnetic Permeability |
<1.01 |
| Young’s Modulus (N/mm2) |
141 x 103 |
| Modulus of Rigidity (N/mm2) |
52 x 103 |
| Specific Heat, 20°C (J.Kg-1.°K-1) |
435 |
| Electrical conductivity, 20°C (m.Ω-1.mm-2) |
2.85 (10% IACS) |
| Thermal conductivity, 20°C (W.m-1.°K-1) |
46 |
| Mean coefficient of thermal expansion, 20-300°C (°K-1) |
16.4 x 10-6 |
|
MLA-MPS-13A-BAR/FORG |
|
DTD 900/4805 |
|
DIN 2.1504 |
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| Defence Applications: |
| Control elements of submarines, Pump shafts, Mechanical seals,
Gears, Hose couplings, Propeller shafts, Drive bushes. |
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 |
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| Oil and Gas Industry: |
| Shafts for pumps & valves, Valve spindles, Hydraulic
pistons & cylinders. |
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| Chemical Industry: |
| Valve components, process control equipment. |
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| Electrical Industry: |
| Stress rings, current-carrying bolting. |
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| Automotive: |
| Valve seat inserts and thrust washers in high performance
engines. |
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| Operation |
Cutting Speed m/min
(ft/min) |
Feed Rate
mm/rev
(in/rev) |
Depth of cut mm
(in) |
| Milling |
45-60 [150-200] |
0.05-0.13 mm/tooth
0.02-0.005 in/tooth |
0.5-6.0
(0.02-0.25) |
| Drilling |
25-75 [80-250] |
0.075-0.5 [0.003-0.02] |
|
| Turning - Roughing |
120-180 [400-600] |
0.4-0.75 [0.01-0.03] |
3 (0.125) |
| Turning - Finishing |
150-300 [500-1000] |
0.15-0.4 [0.006-0.015] |
0.5 (0.02) |
| Tips |
Carbide tipped using water-soluble
lubricant |
| Alloy Comparisons |
MONEL
K-500 |
FERRALIUM
255-SD50 |
HIDURON 191 |
HIDURON
130 |
| 0.2% Proof Strength (N/mm2), minimum |
690 |
600 |
430 |
630 |
| Corrosion Resistance in seawater (mm/yr) |
0.018 |
<0.01 |
0.02 |
0.02 |
| Anti-Galling Properties |
Poor |
Good |
Good |
Good |
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| Back
to Top |
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Disclaimer
Data in this publication is provided solely for the purposes of distribution
of information. Langley Alloys cannot make guarantees with respect to subject
matter or accuracy of this information. Langley Alloys specifically disclaims
all guarantees, expressed, implied or otherwise, including without limitation,
all warranties of merchantability and fitness for a particular purpose. This
publication may include technical inaccuracies or typographical errors. If
errors are found, please make a notification via e-mail to: info@langleyalloys.com |
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