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GB/T 1299 Cr12Mo1V1 vs ASTM A681 D4

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

GB/T 1299 Cr12Mo1V1 (GB/T 1299-2014) and ASTM A681 D4 (ASTM A681:2008) 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 ASTM A681 D4 is commonly used for tools, dies and fixtures (clause 1.2). GB/T 1299 Cr12Mo1V1 is defined under Guobiao Standards (GB/T), originating from China, while ASTM A681 D4 is defined under ASTM International, originating from United States.

As per chemical composition, GB/T 1299 Cr12Mo1V1 vs ASTM A681 D4 is a 66.4% match. As per mechanical properties, the match is 100%. Combined, this makes them a related material overall at 69.9%.

Frequently Compared With GB/T 1299 Cr12Mo1V1:
GOST 5950 3H2W8F EN ISO 4957 1.2316 GOST 5950 4H5MFS1 DIN EN ISO 4957 1.2379 GB/T 1299 4Cr5MoSiV1 GB/T 1299 3Cr2W8V EN ISO 683-17 100Cr6 DIN EN ISO 4957 1.2344 GB/T 1299 4Cr5MoSiV GOST 5950 4H5MFS AISI 52100 IS 1570 (Part 6) 103T3
Match Breakdown
CHEMISTRY MATCH
66.4%
MECHANICAL MATCH
100%
OVERALL
69.9%
Specifications
Property GB/T 1299 Cr12Mo1V1 ASTM A681 D4
Standard GB/T 1299-2014 ASTM A681:2008
Category Tool & Die Steels Tool & Die Steels
C (%) 1.45–1.70 2.05-2.40
Si (%) ≤0.40 0.10-0.60
Mn (%) ≤0.40 0.10-0.60
Cr (%) 11.00–13.00 11.00-13.00
Mo (%) 0.40–0.60 0.70-1.20
V (%) 0.15–0.30 0.15-1.00
P (%) Not specified <=0.030
S (%) Not specified <=0.030
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 ASTM A681 D4
Hardness HRC (hardened) 58–62 Not specified
Hardness HB (annealed) ≤255 Not specified
Hardness Not specified <=255 HB
Condition Not specified Annealed (maximum Brinell hardness)
Typical Applications
GB/T 1299 Cr12Mo1V1
Precision blanking dies, thread rolling dies, cold forming
ASTM A681 D4
Tools, dies and fixtures (clause 1.2)
Key Differences
Can GB/T 1299 Cr12Mo1V1 Be Substituted With ASTM A681 D4?
GB/T 1299 Cr12Mo1V1 and ASTM A681 D4 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)
ASTM A681 D4
No active listings currently.
On M-EX Right Now
GB/T 1299 Cr12Mo1V1
2 active listings and RFQs →
ASTM A681 D4
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between GB/T 1299 Cr12Mo1V1 and ASTM A681 D4?
ASTM A681 D4 specifies P, S which are not specified for GB/T 1299 Cr12Mo1V1.
Can GB/T 1299 Cr12Mo1V1 be substituted with ASTM A681 D4?
GB/T 1299 Cr12Mo1V1 and ASTM A681 D4 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.