Changzhou DLX Alloy Co., Ltd.
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Alloy 400 Plate is a single phase, solid-solution nickel-copper alloy that offers superior resistance to many corrosive environments over temperatures ranging from sub-zero to 800°F. This alloy is only hardenable through cold working, rather than heat treatment. The Curie Temperature of this alloy lies in the ambient temperature range and is affected by variations in the alloy’s chemical composition. Caution is advised in applications where strong nonmagnetic characteristics are desired. The ratio of copper to nickel in alloy 400 is almost identical to that found in the ore the metal is derived from. This alloy was first patented over 100 years ago, and it continues to be one of the most commonly used corrosion resistant alloys commercially produced.
| 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 |
Alloy 400 has been widely used in a variety of industries, and has been particularly useful in the marine industry and chemical processing industry. Typical applications include pumps and valves, propeller shafts, marine fixtures and fasteners, electronic components, springs, chemical processing equipment, fresh and salt water tanks, process vessels and piping, boiler feedwater heaters and other heat exchangers.
| AMS Number | Alloy | Type | UNS | Cross Ref. Spec | Misc./Shape | |
|---|---|---|---|---|---|---|
| AMS 4544 Plate | Monel 400 | Nickel Copper | N04400 | QQ-N-281 | Plate | |
| AMS 4544 Sheet | Monel 400 | Nickel Copper | N04400 | QQ-N-281 | Sheet | |
| AMS 4544 Strip | Monel 400 | Nickel Copper | N04400 | QQ-N-281 | Strip | |
| AMS 4574 | Monel 400 | Nickel Copper | N04400 | - | Tubing | |
| AMS 4675 Bar | Monel 400 | Nickel Copper | N04400 | ASTM B 164 | Bar | |
| AMS 4730 | Monel 400 | Nickel Copper | N04400 | QQ-N-281 | Wire | |
| AMS 4731 Ribbon | Monel 400 | Nickel Copper | N04400 | - | Ribbon | |
| AMS 4731 Wire | Monel 400 | Nickel Copper | N04400 | - | Wire | |