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GB/T 1299 Cr12 vs DIN EN ISO 4957 1.2379

Minimal Match — 35% match based on chemical composition and mechanical property overlap.

GB/T 1299 Cr12 (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 Cr12 is typically used for cold forming dies, blanking dies, 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 Cr12 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 Cr12 vs DIN EN ISO 4957 1.2379 is a 65.5% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With GB/T 1299 Cr12:
GOST 5950 4H5MFS1 AISI 52100 DIN EN ISO 4957 1.2344 EN ISO 683-17 100Cr6 EN ISO 4957 1.2316 GB/T 1299 4Cr5MoSiV1 GB/T 1299 3Cr2W8V GB/T 1299 4Cr5MoSiV GOST 5950 4H5MFS GOST 5950 3H2W8F IS 1570 (Part 6) 103T3 IS 1570 (Part 6) 118T3
Match Breakdown
CHEMISTRY MATCH
65.5%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property GB/T 1299 Cr12 DIN EN ISO 4957 1.2379
Standard GB/T 1299-2014 DIN EN ISO 4957:2018-11
Category Tool & Die Steels Tool & Die Steels
C (%) 2.00–2.30 1.50–1.60
Si (%) ≤0.40 0.10–0.40
Mn (%) ≤0.40 0.25–0.60
Cr (%) 11.50–13.00 11.00–13.00
Mo (%) Not specified 0.70–1.00
V (%) Not specified 0.80–1.10
S (%) Not specified ≤0.030
P (%) 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 Cr12 DIN EN ISO 4957 1.2379
Hardness HRC (hardened) 60–64 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 Cr12
Cold forming dies, blanking dies
DIN EN ISO 4957 1.2379
Blanking dies, forming dies, thread rolling dies, punches, shear blades, gauges, broaches, drawing dies
Key Differences
Can GB/T 1299 Cr12 Be Substituted With DIN EN ISO 4957 1.2379?
GB/T 1299 Cr12 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.
Forms & Sizes Available on M-EX
GB/T 1299 Cr12
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 3000–3400 mm (118.11–133.86 in)
DIN EN ISO 4957 1.2379
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2800–3300 mm (110.24–129.92 in)
On M-EX Right Now
GB/T 1299 Cr12
2 active listings and RFQs →
DIN EN ISO 4957 1.2379
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between GB/T 1299 Cr12 and DIN EN ISO 4957 1.2379?
DIN EN ISO 4957 1.2379 specifies Mo, V, S, P which are not specified for GB/T 1299 Cr12.
Can GB/T 1299 Cr12 be substituted with DIN EN ISO 4957 1.2379?
GB/T 1299 Cr12 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.