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GB/T 1299 Cr12Mo1V1 vs GB/T 1299 4Cr5MoSiV

Minimal Match — 39.6% match based on chemical composition and mechanical property overlap.

GB/T 1299 Cr12Mo1V1 (GB/T 1299-2014) and GB/T 1299 4Cr5MoSiV (GB/T 1299-2014) 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 GB/T 1299 4Cr5MoSiV is commonly used for die casting dies, extrusion tooling. GB/T 1299 Cr12Mo1V1 is defined under Guobiao Standards (GB/T), originating from China, while GB/T 1299 4Cr5MoSiV is defined under Guobiao Standards (GB/T), originating from China.

As per chemical composition, GB/T 1299 Cr12Mo1V1 vs GB/T 1299 4Cr5MoSiV is a 59.5% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 39.6%.

Frequently Compared With GB/T 1299 Cr12Mo1V1:
EN ISO 4957 1.2316 GOST 5950 3H2W8F GOST 5950 4H5MFS1 DIN EN ISO 4957 1.2379 GB/T 1299 3Cr2W8V GB/T 1299 4Cr5MoSiV1 EN ISO 683-17 100Cr6 DIN EN ISO 4957 1.2344 GOST 5950 4H5MFS AISI 52100 IS 1570 (Part 6) 103T3
Other Tool & Die Steels Grades to Compare With GB/T 1299 Cr12Mo1V1:
IS 3748 103T3
Match Breakdown
CHEMISTRY MATCH
59.5%
MECHANICAL MATCH
0%
OVERALL
39.6%
Specifications
Property GB/T 1299 Cr12Mo1V1 GB/T 1299 4Cr5MoSiV
Standard GB/T 1299-2014 GB/T 1299-2014
Category Tool & Die Steels Tool & Die Steels
C (%) 1.45–1.70 0.32–0.45
Si (%) ≤0.40 0.80–1.20
Mn (%) ≤0.40 0.20–0.50
Cr (%) 11.00–13.00 4.75–5.50
Mo (%) 0.40–0.60 1.10–1.60
V (%) 0.15–0.30 0.30–0.60
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 GB/T 1299 4Cr5MoSiV
Hardness HRC (hardened) 58–62 40–54
Hardness HB (annealed) ≤255 ≤235
Typical Applications
GB/T 1299 Cr12Mo1V1
Precision blanking dies, thread rolling dies, cold forming
GB/T 1299 4Cr5MoSiV
Die casting dies, extrusion tooling
Can GB/T 1299 Cr12Mo1V1 Be Substituted With GB/T 1299 4Cr5MoSiV?
GB/T 1299 Cr12Mo1V1 and GB/T 1299 4Cr5MoSiV 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.
Forms & Sizes Available on M-EX
GB/T 1299 Cr12Mo1V1
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 3100–3200 mm (122.05–125.98 in)
GB/T 1299 4Cr5MoSiV
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2500–2700 mm (98.43–106.3 in)
On M-EX Right Now
GB/T 1299 Cr12Mo1V1
2 active listings and RFQs →
GB/T 1299 4Cr5MoSiV
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between GB/T 1299 Cr12Mo1V1 and GB/T 1299 4Cr5MoSiV?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can GB/T 1299 Cr12Mo1V1 be substituted with GB/T 1299 4Cr5MoSiV?
GB/T 1299 Cr12Mo1V1 and GB/T 1299 4Cr5MoSiV 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.