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Wear Resistant Alloys

Wear is said to be second in a failure of a part. First corrosion occurs, then the particles act against the mating surfaces, after severe galling and seizing, the part finally ceases to move, or "freezes up."

HPAlloys is proud to present the following materials. We have also included some materials that exhibit good corrosion-erosion properties.


Haynes 25 (L605)

(UNS R30605) Co 50.0, Cr 20.0, W 15.0, Ni 10.0, Fe 3.0 Mn 1.5 Excellent strength for continuous service to 1800°F. Oxidation and carburization resistance to 1900°F. Galling resistant, with resistance to marine environments, acids and body fluids. Non-magnetic, even when severely cold reduced, can reach Rc 50 when cold reduced and aged. Resistant to hydrochloric and nitric acid at certain concentrations and temperatures, and wet chlorine environments at room temperature. Gas turbine engine components : combustion chambers, and afterburners. Other uses also include :high temperature ball bearing service, springs, and heart valves.

HAYNES alloy 25 datasheet

HPA Cobalt 6B

(Co-Cr-W) (UNS R30016) Co 59.0, Cr 30.0, W 3.5, Ni 2.5, Mn 1.4, C 1.0 Excellent hot strength, which is fully returned when cooled to room temperature again. Replacement for castings due to better ductility, and dependability for sealing surfaces. Seizing, galling and non-lubricated wear can be minimized by using this alloy. Metal seizing is when one metal piece building heat against another "weld" together. Galling is when these welded areas break off and form an abrasive debris which creates additional abrasion problems, and can lead to other types of corrosion. Turbine engine nozzle fuel injectors, steam turbine (last vane) to prevent water erosion as the steam condenses. Pump applications such as motor shafts, bushings, sleeves and stems.

HPA COBALT alloy 6B datasheet

HPA Cobalt 6BH

(Co-Cr-W) (UNS R30016) Co 59.0, Cr 30.0, W 3.5, Ni 2.5, Mn 1.4, C 1.0 Better ductility than 6K, with hardness of about Rc42-49, makes great knife material. This variation of 6B offers increased wear life due to higher hardness, and retained edge characteristics. Economic advantages are : long wear life, fewer replacements, and less down time. Food preparation equipment (minimal metal loss), saw blades, scrapper blades, granulates, chippers, shredders and other cutting edges where tool life is a necessity. The F.D.A. has approved for use in food contact due to lower metal loss. Other non-critical uses include tire cloth and rubber cutting, carpet cutting, trimming knives for ceramics, leather knives, and surgical blades.

HPA COBALT alloy 6BH datasheet

Inconel 625

(UNS N06625) Ni 61.0, Cr 21.5 Mo 9.0, Nb+Ta 3.6 High strength and toughness from cryogenic temperatures to 1800 degrees F (980 degrees C), good oxidation resistance, exceptional fatigue strength, and good corrosion resistance. Chemical and pollution control equipment, ash pit seals, nuclear reactors, marine equipment, ducting, thrust reverser assemblies, fuel nozzles, afterburners, spray bars.

INCONEL 625 datasheet

Nitronic 30

Low alloy version of NITRONIC 60, primarily used for abrasion resistance, or corrosion abrasion requirements. Corrosion and abrasion resistant, tough and durable, NITRONIC 30 is the stainless steel for your abrasive needs. Ball mill tests have shown that many application standards, such as AR 500 suffer six to seven times as much metal loss as NITRONIC 30. Economical, low alloy, corrosion resistant, abrasion resistant stainless steel. This is a popular replacement for carbon steel, due to the resistance to outside weather conditions.

NITRONIC 30 datasheet

Nitronic 60

(Alloy 218) (UNS S21800) Fe 63, Cr 17, Mn 8, Ni 8.5, Si 4, N 0.13 High strength fully Austenitic alloy that resists galling and wear. Significantly lower cost to extend part life and lower maintenance. The yield strength is twice that of 304 and 316 stainless steels, in the annealed condition. Tensile strengths can be produced in excess of 200 ksi. Chloride pitting is superior to that of type 316, and the oxidation resistance is similar to type 321 at elevated temperatures, and excellent cryogenic impact strength. Valve stems, seats, and trim; fastening systems, screening, pins, bushings, roller bearings, pump shafts and rings. Food handling, medical, automotive, aerospace and nuclear.

NITRONIC 60 datasheet

 

HASTELLOY, HAYNES and C-22 are registered trade names of Haynes International, Inc.
MONEL & INCONEL are registered trade names of INCO family of companies.
NITRONIC is a registered trade name of Armco, Inc.
CARPENTER & 20Cb-3 are registered trade names of Carpenter Technology Corporation.
FERRALIUM is a registered trade name of Langley Alloys, LTD.

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