The Finest Finished Inserts Start With The Most Suitable Materials
Material Development

Proper Material Selection Is Essential To A Comprehensive Design.

L.E. Jones is the only insert manufacturer in the world to offer a complete line of cast materials.

In addition to the world’s best selection of materials, we constantly develop new, cost-effective options that improve wear resistance and reduce cost. Our sophisticated in-house metallurgical laboratory and equipment help us to develop tomorrow’s required materials. And in our experimental production facility—with its own induction-melting furnace and heat-treating equipment—our metallurgists produce and test new alloys. We encourage our partners to talk with our technical staff to learn what materials are under test and may soon be available for production.

 

Cobalt Base Alloys

LEJ Alloy J3 J6 J10 J21
Similar to: Stellite 3 ® Stellite 6 ® Tribaloy T-400 ® Stellite 21 ®
Carbon 2.45 1.20 0.08 max. 0.25
Silicon 1.5 max. 1.5 max. 2.5 1.0 max.
Manganese 1.0 max. 1.0 max. 1.0 max.
Chromium 30.0 29.0 8.0 27.0
Molybdenum 1.5 max. 28.0 5.55
Tungsten 12.5 4.5
Vanadium
Iron 3.0 max. 3.0 max. 3.0 max.
Nickel 3.0 max. 3.0 max. —– 2.55
Cobalt Balance Balance Balance Balance
Typical Hardness HRc57 HRc48 HRc54 HRc33
Applications Heavy-duty, intake and exhaust, diesel, and natural gas. Heavy-duty exhaust. Heavy-duty intake, diesel, and natural gas. Ball valve seats.

 

Nickel Base Alloys

LEJ Alloy J70 J89 J96 J100
Similar to: SAE J160b Item #13 Proprietary Eatonite, SAE J610b Item #12
Carbon 2.40 2.40 2.40
Silicon 1.25 max. 1.0 max. 1.0 max
Manganese
Chromium 29.0 29.0 29.0
Molybdenum 2.0
Tungsten 15.0 15.0
Vanadium 2.0
Iron 9.0 max. 8.0 max. 8.0 max
Nickel Balance Balance Balance Balance
Cobalt 17.0 10.0
Typical Hardness HRc38 HRc54 HRc44 HRc44
Applications Heavy-duty exhaust valve seat inserts Heavy-duty exhaust Heavy-duty exhaust valve seat inserts Heavy-duty exhaust valve seat inserts – both intake and exhaust, natural gas

 

Iron Base Alloys

LEJ Alloy J101H J120 J120V J121 J122 J125 J130 J133 J160
Similar to: NI-RESIST #1, SAE J610b Item #4 Moly High-Speed Steel Moly High-Speed Steel with Vanadium Proprietary alloy SAE J610b Item #1 Cast Silchrome XB Proprietary alloy PL33 Proprietary alloy.
Carbon 2.0 1.3 1.30 2.7 1.5 2.1
Silicon 2.0 0.40 0.40 2.0 2.3 2.0
Manganese 1.25 0.40 0.45 0.70 0.40 0.3
Chromium 2.5 4.0 3.90 3.0 20.0 33.0
Molybdenum 6.5 6.40 4.5 2.25
Tungsten 5.5 5.50
Vanadium 1.50
Iron Balance Balance Balance Balance Balance Balance Balance Balance Balance
Nickel 14.5 1.0 max. 1.3 0.5 max.
Cobalt
Copper 5.50
Typical Hardness HRc37 HRc47 HRc47 HRb100 HRc54 HRc40 HRc48 HRc40 HRc46
Applications Automotive, small gas engines with aluminum heads. Heavy-duty intake, gasoline engine, intake, or exhaust. Heavy duty or gasoline engines, intake, or exhaust. Aircraft. Heavy-duty intake. Heavy-duty intake, gasoline engine, intake, or exhaust. Heavy duty and natural gas, intake, or exhaust. Heavy-duty, intake, or exhaust. Heavy-duty, intake, or exhaust, with E.G.R.

 

STELLITE ® and TRIBALOY ® are registered trademarks of Deloro Stellite Co. Inc.

Wrought Iron Base Alloys

LEJ Alloy AMS 5700 AMS 5710
Similar to: TPA Silichrome XB
Carbon 0.45 0.80
Silicon 2.2 0.3
Manganese 0.40
Chromium 14.0 20.0
Molybdenum 0.35
Tungsten 2.5
Nickel 14.0 3.0
Iron bal bal
Typical Hardness HRc30 HRc35
Applications Aircraft Aircraft

 

Powdered Metal Material

LEJ Alloy JP21 JP24 JP25 JP28 JP200 JP300
Carbon 1.0 1.2 0.45 0.9 0.8 0.9
Silicon 1.0 max.
Manganese 1.0 max. 1.0 max.
Chromium 3.25 7.5 7.5 2.0 4.0
Molybdenum 5.0 0.55 0.55 1.5 0.7 6.5
Tungsten 5.0 3.25 3.25 3.25 6.5
Vanadium 2.5 1.0 2.0
Copper 16.0 2.0 max. 2.0 max. 2.0 2.0 max.
Nickel 2.0 2.0 0.9 0.35
Cobalt 9.5 9.5
Iron Balance Balance Balance Balance Balance Balance
Other 2.0 max. 2.0 max. 2.0 max. 2.0 max. 2.0 max. 2.0 max.
Density (g/cm3) 7.8 6.8 6.8 6.9 6.9 7.0
Typical Hardness HRa75 HRa60 HRa60 HRa68 HRa62 HRa70
Applications Heavy duty or gasoline engines, intake or exhaust Small gasoline engine, intake or exhaust Heavy duty or gasoline engine, intake or exhaust Small gasoline engines, intake, or exhaust. Automotive, gasoline engine, intake. Automotive, gasoline engine, intake, or exhaust.