Strong Match — 98.8% match
based on chemical composition and mechanical property overlap.
EN 10084 20NiCrMo2-2 (EN 10084:2008) and EN 10084 20NiCrMoS2-2 (EN 10084:2008) are both steel grades.
Both fall under the Alloy Steel category.
EN 10084 20NiCrMo2-2 is typically used for gears, shafts and automotive transmission components, while EN 10084 20NiCrMoS2-2 is commonly used for case hardened machine parts: carburized or carbonitrided, then hardened (clause 3.1).
EN 10084 20NiCrMo2-2 is defined under European Standard (EN), originating from Europe, while EN 10084 20NiCrMoS2-2 is defined under European Standard (EN), originating from Europe.
As per chemical composition, EN 10084 20NiCrMo2-2 vs EN 10084 20NiCrMoS2-2 is a 98.2% match.
As per mechanical properties, the match is 100%.
Combined, this makes them a strong match overall at 98.8%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
EN 10084 20NiCrMo2-2
EN 10084 20NiCrMoS2-2
Condition
Soft annealed
Soft annealed
Hardenability
+H band at 1.5 mm from the quenched end: 41 to 49 HRC
+H band at 1.5 mm from the quenched end: 41 to 49 HRC
Hardness
Soft annealed: 212 HB max
Soft annealed: 212 HB max
Typical Applications
EN 10084 20NiCrMo2-2
Gears, shafts and automotive transmission components
EN 10084 20NiCrMoS2-2
Case hardened machine parts: carburized or carbonitrided, then hardened (clause 3.1)
Can EN 10084 20NiCrMo2-2 Be Substituted With EN 10084 20NiCrMoS2-2?
EN 10084 20NiCrMo2-2 and EN 10084 20NiCrMoS2-2 overlap closely enough on chemistry and mechanical properties that EN 10084 20NiCrMoS2-2 is often considered as a substitute for EN 10084 20NiCrMo2-2 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
What is the difference between EN 10084 20NiCrMo2-2 and EN 10084 20NiCrMoS2-2?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can EN 10084 20NiCrMo2-2 be substituted with EN 10084 20NiCrMoS2-2?
EN 10084 20NiCrMo2-2 and EN 10084 20NiCrMoS2-2 overlap closely enough on chemistry and mechanical properties that EN 10084 20NiCrMoS2-2 is often considered as a substitute for EN 10084 20NiCrMo2-2 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.