AISI 4140 also known as EN19 comes treated in the annealed as rolled or even T condition. We can offer AISI 4140 in bar form from stock, rolled and bright drawn. It is renown for its wear resistance and where high strength properties is required. Suitable for gears, shafts, spindles, etc. Frequently used within the gas and oil industry. For improved weldability consider using 4130.
The 41xx family of steel include chromium and molybdenum and are often referred to as chromoly steel or chrome-moly. Chromoly steels have an excellent strength to weight ratio but do not contain sufficient quantities to provide the levels of corrosion resistance found in stainless steels. These steel are often used in aircraft parts also frequently used within the gas and oil industry.
Also Available AISI 4140 steel forgings »
|BS 970 1991||BS 970 1955 EN||AISI/SAE||Werkstoff|
Popular size ranges shown below, other sizes available upon request.
AISI 4140 Rounds Hot Rolled
AISI 4140 Rounds Bright Drawn
|Size (inches)||5/16||3/8||7/16||1/2||9/16||5/8||3/4||7/8||15/16||1||1 1/8||1 1/4||1 3/8||1 1/2|
|1 5/8||1 3/4||2||2 1/4||2 1/2||2 3/4||3||3 1/2||4|
- EN3B - 080A15 070M20 Mild steel
- EN1A - 220M07 230M07
- EN1A LD - 220M07 PB 230M07 PB
- EN8 - 080A42 080M40
- EN9 - 070M55
- EN14 - 150M19
- EN16 - 605M36 606M36
- EN19 - 708M40 709M40
- EN24/EN24T - 817M40
- EN36 - 655M13
- 4130 - 708A25
- 4140 - 708M40
- Chrome Plated Steel Bar