Alloy 400, also known as Monel 400, is a nickel-copper alloy known for its excellent resistance to a wide range of corrosive environments.
With a composition that includes roughly 67% nickel and 23% copper, Alloy 400 is highly versatile, offering superb mechanical properties across different conditions. This alloy is widely used in applications where both strength and corrosion resistance are critical.
Alloy 400 is used for its excellent combination of corrosion resistance, strength, ductility and weldability. The corrosion resistance in seawater is especially good under high velocity conditions. Alloy 400 also is generally not susceptible to stress corrosion cracking.
| AVAILABILITY | SPECS | |
|---|---|---|
| FLANGES | 1/2" - 8" | B160, B564, B16.5 |
| FITTINGS | B564 | |
| TUBING | 1/4", 3/8", 1/2" | B165 |
| TENSILE REQUIREMENTS | |
|---|---|
| TENSILE STRENGTH | (KSI) 70 MIN. |
| YIELD STRENGTH 5" AND UNDER OVER 5" | (KSI) 28 MIN. (KSI) 25 MIN. |
| ELONGATION | 35% MIN. |
Alloy 400 offers numerous performance benefits, including good strength and toughness, excellent corrosion resistance at low and high temperatures and immunity from chloride-induced stress corrosion cracking.
We stock Alloy 400 bars in the cold drawn and hot worked conditions, available in various incremental sizes to suit your engineering requirements.
| C | CU | MN | NI | S | SI | FE |
|---|---|---|---|---|---|---|
| MAX | MAX | MIN | MAX | MAX | MAX | |
| 0.3 | 28.0 - 34.0 | 2.0 | 63.0 | 0.024 | 0.50 | 2.5 |
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