Close Alternative — 74.5% match
based on chemical composition and mechanical property overlap.
GB/T 1222 55CrMnA (GB/T 1222-2016) and EN 10089 55Cr3 (EN 10089:2002) are both steel grades.
Both fall under the Spring Steel category.
GB/T 1222 55CrMnA is typically used for automotive leaf springs, coil springs, while EN 10089 55Cr3 is commonly used for automotive leaf springs, heavy coil springs.
GB/T 1222 55CrMnA is defined under Guobiao Standards (GB/T), originating from China, while EN 10089 55Cr3 is defined under European Standard (EN), originating from Europe.
As per chemical composition, GB/T 1222 55CrMnA vs EN 10089 55Cr3 is a 95.1% match.
As per mechanical properties, the match is 33.3%.
Combined, this makes them a close alternative overall at 74.5%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
GB/T 1222 55CrMnA
EN 10089 55Cr3
Tensile Strength
≥1225 MPa
1100–1350 MPa
Yield Strength
≥1080 MPa
≥1000 MPa
Elongation
≥6%
≥6%
Hardness
Not specified
321–388 HB
Typical Applications
GB/T 1222 55CrMnA
Automotive leaf springs, coil springs
EN 10089 55Cr3
Automotive leaf springs, heavy coil springs
Can GB/T 1222 55CrMnA Be Substituted With EN 10089 55Cr3?
GB/T 1222 55CrMnA and EN 10089 55Cr3 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
What is the difference between GB/T 1222 55CrMnA and EN 10089 55Cr3?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can GB/T 1222 55CrMnA be substituted with EN 10089 55Cr3?
GB/T 1222 55CrMnA and EN 10089 55Cr3 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.