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Nord-Lock Washer - Alloy C-276 EN 2.4819
Alloy C-276 is for general acidic environments, process and chemical industries, evaporators and offshore downhole tooling.
Nord-Lock wedge lock washers are a high-quality brand name washer that secure bolted joints with tension instead of friction. A single "washer" is comprised of a pair of lock washers that have cams on one side and radial teeth on the opposite side.
The rise of the cams between the Nord-Lock washers is greater than the pitch of the bolt. When the bolt and/or nut is tightened, the teeth grip and seat against the mating surfaces. The Nord-Lock wedge lock washer is locked in place, allowing movement only across the face of the cams. Any attempt from the bolt/nut to rotate loose is blocked by the wedge effect of the cams.
Material: Surface Hardened Alloy C-276 EN 2.4819
Washers made from Alloy C-275 are extremely corrosion resistant and are perfect for use in situations that demand protection from aggressive corrosion and localized corrosion attack. This makes them suitable for use in chemical plants.
Resistance to OXIDIZERS such as:
-Ferric and cupric chlorides
-Organic and inorganic hot contaminated media
-Chlorine (wet chlorine gas)
-Acids
-Hypochlorite
-Chlorine dioxide
Hardness: ≥ 520HV0.05
Corrosion resistance: PREN 68
Temperature Range: -160°C to 500°C
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