Close Alternative — 84.7% match
based on chemical composition and mechanical property overlap.
BS 4659 BD2 (BS 4659:1989) and GB/T 1299 Cr12Mo1V1 (GB/T 1299-2014) are both steel grades.
Both fall under the Tool & Die Steels category.
BS 4659 BD2 is typically used for blanking dies, forming dies, thread rolling dies, while GB/T 1299 Cr12Mo1V1 is commonly used for precision blanking dies, thread rolling dies, cold forming.
BS 4659 BD2 is defined under British Standards (BS), originating from United Kingdom, while GB/T 1299 Cr12Mo1V1 is defined under Guobiao Standards (GB/T), originating from China.
As per chemical composition, BS 4659 BD2 vs GB/T 1299 Cr12Mo1V1 is a 77% match.
As per mechanical properties, the match is 100%.
Combined, this makes them a close alternative overall at 84.7%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
BS 4659 BD2
GB/T 1299 Cr12Mo1V1
Hardness HRC (hardened)
58–62
58–62
Hardness HB (annealed)
≤255
≤255
Typical Applications
BS 4659 BD2
Blanking dies, forming dies, thread rolling dies
GB/T 1299 Cr12Mo1V1
Precision blanking dies, thread rolling dies, cold forming
Key Differences
GB/T 1299 Cr12Mo1V1 specifies Si which is not specified for BS 4659 BD2.
Can BS 4659 BD2 Be Substituted With GB/T 1299 Cr12Mo1V1?
BS 4659 BD2 and GB/T 1299 Cr12Mo1V1 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 BS 4659 BD2 and GB/T 1299 Cr12Mo1V1?
GB/T 1299 Cr12Mo1V1 specifies Si which is not specified for BS 4659 BD2.
Can BS 4659 BD2 be substituted with GB/T 1299 Cr12Mo1V1?
BS 4659 BD2 and GB/T 1299 Cr12Mo1V1 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.