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ASTM B165 Monel 400 N04400 Seamless Nickel Alloy Pipe Sea Water
ASTM B165: It is a Standard Specification for Nickel-Copper Alloy Seamless Pipe and Tube. It covers nickel-copper alloy UNS N04400 in the form of cold-worked seamless pipe and tube. The material shall conform to the composition limits specified. Tension test, hydrostatic test, nondestructive electric test, and rounding method shall be done in accordance to the specified requirements.
Monel 400 is a solid solution bimetallic alloy with high strength, toughness and resistance to a wide range of corrosive environments over a wide temperature range. Nickel-copper 400 has an operating temperature of up to 427°C and, in a sulfur-free oxidizing environment, up to 538°C. The material also exhibits excellent mechanical properties in sub-zero environments. The material has good machinability and can be strengthened by cold working.
Chemical Composition
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr |
| Monel 400 | 0.30 max | 2.00 max | 0.50 max | 0.24max | 28.0-34.0 | 2.50 max | 63.00 min | – |
Monel 400 Pipe Schedule and Wall Thickness
NOMINAL | O.D. INCHES | 10S | 10 | 40S & STD | 40 | 80S & E.H. | 80 | 160 |
|---|---|---|---|---|---|---|---|---|
1/8 | .405 | .049 | .049 | .068 | .068 | .095 | .095 |
|
1/4 | .540 | .065 | .065 | .088 | .088 | .119 | .119 |
|
3/8 | .675 | .065 | .065 | .091 | .091 | .126 | .126 |
|
1/2 | .840 | .083 | .083 | .109 | .109 | .147 | .147 | .187 |
3/4 | 1.050 | .083 | .083 | .113 | .113 | .154 | .154 | .218 |
1 | 1.315 | .109 | .109 | .133 | .133 | .179 | .179 | .250 |
1 1/4 | 1.660 | .109 | .109 | .140 | .140 | .191 | .191 | .250 |
1 1/2 | 1.900 | .109 | .109 | .145 | .145 | .200 | .200 | .281 |
2 | 2.375 | .109 | .109 | .154 | .154 | .218 | .218 | .343 |
2 1/2 | 2.875 | .120 | .120 | .203 | .203 | .276 | .276 | .375 |
3 | 3.500 | .120 | .120 | .216 | .216 | .300 | .300 | .437 |
3 1/2 | 4.000 | .120 | .120 | .226 | .226 | .318 | .318 |
|
4 | 4.500 | .120 | .120 | .237 | .237 | .337 | .337 | .531 |
4 1/2 | 5.000 |
|
| .247 |
| .355 |
|
|
5 | 5.563 | .134 | .134 | .258 | .258 | .375 | .375 | .625 |
6 | 6.625 | .134 | .134 | .280 | .280 | .432 | .432 | .718 |
7 | 7.625 |
|
| .301 |
| .500 |
|
|
8 | 8.625 | .148 | .148 | .322 | .322 | .500 | .500 | .906 |
9 | 9.625 |
|
| .342 |
| .500 |
|
|
10 | 10.750 | .165 | .165 | .365 | .365 | .500 | .593 | 1.125 |
11 | 11.750 |
|
| .375 |
| .500 |
|
|
12 | 12.750 | .180 | .180 | .375 | .406 | .500 | .687 | 1.312 |
14 | 14.000 | .188 | .250 | .375 | .437 | .500 | .750 | 1.406 |
16 | 16.000 | .188 | .250 | .375 | .500 | .500 | .843 | 1.593 |
18 | 18.000 | .188 | .250 | .375 | .562 | .500 | .937 | 1.781 |
Monel 400 UNS N04400 Pipe Pressure Rating
| ALLOY 400 PIPE O.D. (IN.) | WALL THICKNESS OF PIPE (INCHES) | |||||||
|---|---|---|---|---|---|---|---|---|
| .028 | .035 | .049 | .065 | .083 | .095 | .109 | .120 | |
| WORKING PRESSURE (PSIG) | ||||||||
| 1/8 | 7900 | 10100 | ||||||
| 1/4 | 3700 | 4800 | 7000 | 9500 | ||||
| 5/16 | 3700 | 5400 | 7300 | |||||
| 3/8 | 3100 | 4400 | 6100 | |||||
| 1/2 | 2300 | 3200 | 4400 | |||||
| 3/4 | 2200 | 3000 | 4000 | 4600 | ||||
| 1 | 2200 | 2900 | 3400 | 3900 | 4300 | |||
Mechanical Properties:
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Monel 400 | 8.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80,000 , MPa – 550 | Psi – 35,000 , MPa – 240 | 40 % |
Equivalent Material:
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| Monel 400 | 2.4360 | N04400 | NW 4400 | NA 13 | МНЖМц 28-2,5-1,5 | NU-30M | NiCu30Fe |
Physical Properties:
| PROPERTIES | METRIC | IMPERIAL |
|---|---|---|
| Density | 8.8 gm/cm3 | 0.318 lb/in3 |
The Monel 400 Alloy Pipes and Tubes is used in the following applications:
-Marine Fixtures, Pumps, Valves and Piping Systems for Sea Water
Applications
-Chemical Plant Equipment
-Aerospace Applications
