Nickel product/Nicrofer 3127 hMo alloy, 31 Fe-Ni-Cr-Mo corrosion resistant alloy
Equal grades: W.Nr.1.4562,X1NiCrMoCu32-28-7, UNS N08031, alloy 31
Feature of Nicrofer 3127 hMo:

• Outstanding resistance to corrosion in halide media, both acidic and basic
• Outstanding resistance to sulfuric acid, even highly concentrated;
• Outstanding resistance to corrosion and erosion-corrosion in phosphoric acid media;
• Excellent resistance to both localized corrosion and general corrosion in chlorine dioxide bleach media;
• Excellent resistance to both reducing and oxidizing media;
• Ease of fabrication and welding;
• Approval for pressure-vessel use involving wall temperatures from -196 to 550°C (-320 to 1020°F);
• Approved in ISO 15156/MR0175 to Test Level VI for sour gas service

Applications of 3127 hMo alloy:

• FGD systems
• Pulp and paper industry
• Fine chemical synthesis
• Phosphoric acid production
• Organic acids and esters production
• Waste sulfuric acid recovery
• Sea water or brackish water heat exchangers
• Ore processing, e.g., HIPAL (high pressure acid leaching technology) of laterite ores
• Petroleum production and refining
• Pickling plant (H₂SO₄)
• Sulfuric acid cooler
• Evaporation and crystallization of salts
• Tubing and couplings, wire lines and flowline system in sour gas production

Available forms of 3127 hMo alloy:

• Sheet and plate
• Forging
• Disc and ring
• Tube and pipe (seamless and welded)
• Wire
• Strip