Strong Match — 98.9% match
based on chemical composition and mechanical property overlap.
EN ISO 4957 X210Cr12 (EN ISO 4957:2018) and BS 4659 BD3 (BS 4659:1989) are both steel grades.
Both fall under the Tool & Die Steels category.
EN ISO 4957 X210Cr12 is typically used for blanking dies, thread rolling dies, gauges, while BS 4659 BD3 is commonly used for blanking dies, forming tools, gauges.
EN ISO 4957 X210Cr12 is defined under European Standard (EN), originating from Europe, while BS 4659 BD3 is defined under British Standards (BS), originating from United Kingdom.
As per chemical composition, EN ISO 4957 X210Cr12 vs BS 4659 BD3 is a 98.4% match.
As per mechanical properties, the match is 100%.
Combined, this makes them a strong match overall at 98.9%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
EN ISO 4957 X210Cr12
BS 4659 BD3
Hardness HRC (hardened)
58–64
58–64
Hardness HB (annealed)
≤255
≤255
Typical Applications
EN ISO 4957 X210Cr12
Blanking dies, thread rolling dies, gauges
BS 4659 BD3
Blanking dies, forming tools, gauges
Can EN ISO 4957 X210Cr12 Be Substituted With BS 4659 BD3?
EN ISO 4957 X210Cr12 and BS 4659 BD3 overlap closely enough on chemistry and mechanical properties that BS 4659 BD3 is often considered as a substitute for EN ISO 4957 X210Cr12 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 ISO 4957 X210Cr12 and BS 4659 BD3?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can EN ISO 4957 X210Cr12 be substituted with BS 4659 BD3?
EN ISO 4957 X210Cr12 and BS 4659 BD3 overlap closely enough on chemistry and mechanical properties that BS 4659 BD3 is often considered as a substitute for EN ISO 4957 X210Cr12 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.