Close Alternative — 74.5% match
based on chemical composition and mechanical property overlap.
EN 10089 55Cr3 (EN 10089:2002) and GB/T 1222 55CrMnA (GB/T 1222-2016) are both steel grades.
Both fall under the Spring Steel category.
EN 10089 55Cr3 is typically used for automotive leaf springs, heavy coil springs, while GB/T 1222 55CrMnA is commonly used for automotive leaf springs, coil springs.
EN 10089 55Cr3 is defined under European Standard (EN), originating from Europe, while GB/T 1222 55CrMnA is defined under Guobiao Standards (GB/T), originating from China.
As per chemical composition, EN 10089 55Cr3 vs GB/T 1222 55CrMnA 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
EN 10089 55Cr3
GB/T 1222 55CrMnA
Tensile Strength
1100–1350 MPa
≥1225 MPa
Yield Strength
≥1000 MPa
≥1080 MPa
Elongation
≥6%
≥6%
Hardness
321–388 HB
Not specified
Typical Applications
EN 10089 55Cr3
Automotive leaf springs, heavy coil springs
GB/T 1222 55CrMnA
Automotive leaf springs, coil springs
Can EN 10089 55Cr3 Be Substituted With GB/T 1222 55CrMnA?
EN 10089 55Cr3 and GB/T 1222 55CrMnA 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 EN 10089 55Cr3 and GB/T 1222 55CrMnA?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can EN 10089 55Cr3 be substituted with GB/T 1222 55CrMnA?
EN 10089 55Cr3 and GB/T 1222 55CrMnA 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.