F55/S32760 Flange Forged Flange
Specifications
F55/S32760 Flange
1. Plate & sheet, bar, pipe & tube, flanges, fittings and wire.
2. Superior Quality
F55/S32760 Flange
1. Other common names:
Alloy 400, UNS N04400, NS111, DIN 2.4360
2. Description:
Monel 400 is a nickel-copper alloy (about 67% Ni – 23% Cu) that is resistant to sea water and steam at
high temperatures as well as to salt and caustic solutions. Alloy 400 is a solid solution alloy that can only
be hardened by cold working. This nickel alloy exhibits characteristics like good corrosion resistance,
good weldability and high strength. A low corrosion rate in rapidly flowing brackish or seawater combined
with excellent resistance to stress-corrosion cracking in most freshwaters, and its resistance to a variety
of corrosive conditions led to its wide use in marine applications and other non-oxidizing chloride
solutions. This nickel alloy is particularly resistant to hydrochloric and hydrofluoric acids when they are
de-aerated. As would be expected from its high copper content, alloy 400 is rapidly attacked by nitric acid
and ammonia systems.
Monel 400 has great mechanical properties at subzero temperatures, can be used in temperatures up to
1000° F, and its melting point is 2370-2460° F. However, alloy 400 is low in strength in the annealed condition. so, a variety of tempers may be
used to increase the strength.
3. The forms:
Plate & sheet, bar, pipe & tube, flanges, fittings( elbow, reducer, tee, cross, bend and pipe cap) and wire.
ASTM Specifications
|
Pipe Smls |
Pipe Welded |
Tube Smls |
Tube Welded |
Sheet /Plate |
Bar |
Forging |
Fitting |
Wire |
B165 |
B725 |
B163 |
|
B127 |
B164 |
B564 |
B366 |
|
Chemical Composition, %
C |
Mn |
S |
Si |
Ni |
Cu |
Fe |
.30 max |
2.00 max |
.024 max |
.50 max |
63.0 min |
28.0-34.0 |
2.50 max |
Mechanical Properties
Typical room temperature Tensile Properties of Annealed Material
Product Form |
Condition |
Tensile (ksi) |
.2% Yield (ksi) |
Elongation (%) |
Hardness (HRB) |
Rod & Bar |
Annealed |
75-90 |
25-50 |
60-35 |
60-80 |
Rod & Bar |
Cold-Drawn Stress Relieved |
84-120 |
55-100 |
40-22 |
85-20 HRC |
Plate |
Annealed |
70-85 |
28-50 |
50-35 |
60-76 |
Sheet |
Annealed |
70-85 |
30-45 |
45-35 |
65-80 |
|
Tube & Pipe Seamless |
Annealed |
70-85 |
25-45 |
50-35 |
75 max * |
4. Characteristics:
1) Resistant to seawater and steam at high temperatures
2) Excellent resistance to rapidly flowing brackish water or seawater
3) Excellent resistance to stress corrosion cracking in most freshwaters
4) Particularly resistant to hydrochloric and hydrofluoric acids when they are de-aerated
5) Offers some resistance to hydrochloric and sulfuric acids at modest temperatures and concentrations,
but is seldom the material of choice for these acids
6) Excellent resistance to neutral and alkaline salt
7) Resistance to chloride induced stress corrosion cracking
8) Good mechanical properties from sub-zero temperatures up to 1020° F
9) High resistance to alkalis
5. Applications:
1) Marine engineering
2) Chemical and hydrocarbon processing equipment
3) Gasoline and freshwater tanks
4) Crude petroleum stills
5) De-aerating heaters
6) Boiler feed water heaters and other heat exchangers
7) Valves, pumps, shafts, fittings, and fasteners
8) Industrial heat exchangers
9) Chlorinated solvents
10) Crude oil distillation towers
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