A Ni-Cu alloy with high strength and good corrosion resistance

Monel Threaded Rod

Monel(R) threaded rods, like Monel 400 and K500, are made from a nickel-copper alloy and exhibit high strength, toughness and good corrosion resistance over a wide temperature range. An outstanding characteristic of Monel threaded rods is that they offer exceptional resistance to hydrofluoric acid, a particularly tough acid to deal with, in all concentrations up to the boiling point. For hydrofluoric acid applications Monel threaded rods are perhaps the most resistant of all commonly used specialty alloys.

Monel alloy 400 & K500 threaded rods also exhibit excellent corrosion resistance in marine applications and have reasonable corrosion resistance to sulfuric and hydrochloric acids under reducing conditions.

Because of these characteristics, Monel threaded rods are often found in marine and chemical processing applications.

The most common grades of Monel threaded rods are Monel 400 and Monel K500 . Gain more insight on these two nickel alloy grades by accessing our Monel 400 and K500 overviews or by contacting our engineering experts.

ResourcesMonel Torque Spec, Monel 400, Monel K500

Fastener TypesThreaded RodsStuds


Common Grades of Monel Threaded Rods

Monel 400 

Monel 400, UNS N04400 (QQ-N-281), is a nickel-copper alloy with high strength and excellent corrosion resistance in a range of media including sea water, hydrofluoric acid, sulfuric acid, and alkalies. Monel 400 is commonly in marine engineering, chemical and hydrocarbon processing applications.

Monel 400 Specifications: BS3075NA13 (Wire), BS3076NA13 (Bar), ASTM B 164 (Rod, Bar, and Wire), ASTM B 564 (Forgings), ASME SB 164 (Rod, Bar, and Wire), ASME SB 564 (Forgings), AECMA PrEN 2305 (Wire for Rivets), SAE AMS 4675 (Bars and Forgings), SAE AMS 4730 (Wire), SAE AMS 4731 (Wire and Ribbon), DIN 17752 (Rod and Bar), DIN 17753 (Wire), DIN 17754 (Forgings), VdT"UV 263 (Sheet, Plate, Bar, and Tubing), QQ-N-281 (Plate, Sheet, Strip, Bar, Rod, Wire, and Forgings), Werkstoff 2.4360

Monel 400 Chemistry

Monel K500 

Monel K500, UNS N05500 (QQ-N-286),  is a precipitation-hardenable nickel-copper alloy that combines the corrosion resistance of Monel alloy 400 with greater strength (over 2x as strong) and hardness. It also has low permeability and is nonmagnetic to temperatures as low as -150°F (-101°C). 

Monel K500 Specifications: BS3075NA18 (Wire), BS3076NA18 (Rod and Bar), ASTM B 865 (Rod and Bar), DIN 17752 (Rod and Bar), DIN 17753 (Wire), DIN 17754 (Forgings), QQ-N-286 (Rod, Bar, Wire, and Forgings), SAE AMS 4676 (Rod and Bar), ASME Code Case 1192 (Rod and Bar), ISO 9723 (Bar), ISO 9724 (Wire), ISO 9725 (Forgings), Werkstoff 2.4375

Monel K500 Chemistry


 Mechanical Properties of Monel

Monel 400 Tensile Curves         Monel alloy K500 Tensile Data

Tensile Chart Updated 9 12 18   Monel K500 Tensile Data


 

Monel 400 Corrosion Data

Monel HF vs Nickel Alloys revised

Monel 400 HF IsoCorrosion Curve

 

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