Minimal Match — 47.2% match
based on chemical composition and mechanical property overlap.
GB/T 1299 Cr12Mo1V1 (GB/T 1299-2014) and DIN EN ISO 4957 1.2379 (DIN EN ISO 4957:2018-11) are both steel grades.
Both fall under the Tool & Die Steels category.
GB/T 1299 Cr12Mo1V1 is typically used for precision blanking dies, thread rolling dies, cold forming, while DIN EN ISO 4957 1.2379 is commonly used for blanking dies, forming dies, thread rolling dies, punches, shear blades, gauges, broaches, drawing dies.
GB/T 1299 Cr12Mo1V1 is defined under Guobiao Standards (GB/T), originating from China, while DIN EN ISO 4957 1.2379 is defined under European Standard (EN), originating from Europe.
As per chemical composition, GB/T 1299 Cr12Mo1V1 vs DIN EN ISO 4957 1.2379 is a 70.8% match.
As per mechanical properties, the match is 0%.
Combined, this makes them a minimal match overall at 47.2%.
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 Cr12Mo1V1
DIN EN ISO 4957 1.2379
Hardness HRC (hardened)
58–62
Not specified
Hardness HB (annealed)
≤255
Not specified
Hardness (annealed)
Not specified
≤255 HB
Hardness (hardened)
Not specified
58–62 HRC
Compressive Strength
Not specified
2600 MPa
Typical Applications
GB/T 1299 Cr12Mo1V1
Precision blanking dies, thread rolling dies, cold forming
DIN EN ISO 4957 1.2379
Blanking dies, forming dies, thread rolling dies, punches, shear blades, gauges, broaches, drawing dies
Key Differences
DIN EN ISO 4957 1.2379 specifies S, P which are not specified for GB/T 1299 Cr12Mo1V1.
Can GB/T 1299 Cr12Mo1V1 Be Substituted With DIN EN ISO 4957 1.2379?
GB/T 1299 Cr12Mo1V1 and DIN EN ISO 4957 1.2379 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
What is the difference between GB/T 1299 Cr12Mo1V1 and DIN EN ISO 4957 1.2379?
DIN EN ISO 4957 1.2379 specifies S, P which are not specified for GB/T 1299 Cr12Mo1V1.
Can GB/T 1299 Cr12Mo1V1 be substituted with DIN EN ISO 4957 1.2379?
GB/T 1299 Cr12Mo1V1 and DIN EN ISO 4957 1.2379 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.