Strong Match — 90.6% match
based on chemical composition and mechanical property overlap.
GB/T 1299 4Cr5MoSiV (GB/T 1299-2014) and BS 4659 BH13 (BS 4659:1989) are both steel grades.
Both fall under the Tool & Die Steels category.
GB/T 1299 4Cr5MoSiV is typically used for die casting dies, extrusion tooling, while BS 4659 BH13 is commonly used for die casting dies, forging tools, extrusion dies.
GB/T 1299 4Cr5MoSiV is defined under Guobiao Standards (GB/T), originating from China, while BS 4659 BH13 is defined under British Standards (BS), originating from United Kingdom.
As per chemical composition, GB/T 1299 4Cr5MoSiV vs BS 4659 BH13 is a 85.9% match.
As per mechanical properties, the match is 100%.
Combined, this makes them a strong match overall at 90.6%.
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 1299 4Cr5MoSiV
BS 4659 BH13
Hardness HRC (hardened)
40–54
42–54
Hardness HB (annealed)
≤235
≤235
Typical Applications
GB/T 1299 4Cr5MoSiV
Die casting dies, extrusion tooling
BS 4659 BH13
Die casting dies, forging tools, extrusion dies
Can GB/T 1299 4Cr5MoSiV Be Substituted With BS 4659 BH13?
GB/T 1299 4Cr5MoSiV and BS 4659 BH13 overlap closely enough on chemistry and mechanical properties that BS 4659 BH13 is often considered as a substitute for GB/T 1299 4Cr5MoSiV 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 GB/T 1299 4Cr5MoSiV and BS 4659 BH13?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can GB/T 1299 4Cr5MoSiV be substituted with BS 4659 BH13?
GB/T 1299 4Cr5MoSiV and BS 4659 BH13 overlap closely enough on chemistry and mechanical properties that BS 4659 BH13 is often considered as a substitute for GB/T 1299 4Cr5MoSiV in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.