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ASTM A681 D3 vs DIN EN ISO 4957 1.2379

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

ASTM A681 D3 (ASTM A681:2008) 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. ASTM A681 D3 is typically used for blanking dies, forming dies, gauges, rolls, 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. ASTM A681 D3 is defined under ASTM International, originating from United States, while DIN EN ISO 4957 1.2379 is defined under European Standard (EN), originating from Europe.

As per chemical composition, ASTM A681 D3 vs DIN EN ISO 4957 1.2379 is a 64.1% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With ASTM A681 D3:
DIN EN ISO 4957 1.2344 AISI 52100 EN ISO 683-17 100Cr6 EN ISO 4957 1.2316 GB/T 1299 3Cr2W8V GOST 5950 4H5MFS GB/T 1299 4Cr5MoSiV GOST 5950 3H2W8F GB/T 1299 4Cr5MoSiV1 GOST 5950 4H5MFS1 IS 1570 (Part 6) 103T3 IS 3748 103T3
Match Breakdown
CHEMISTRY MATCH
64.1%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property ASTM A681 D3 DIN EN ISO 4957 1.2379
Standard ASTM A681:2008 DIN EN ISO 4957:2018-11
Category Tool & Die Steels Tool & Die Steels
C (%) 2.00-2.35 1.50–1.60
Mn (%) 0.10-0.60 0.25–0.60
P (%) <=0.030 ≤0.030
S (%) <=0.030 ≤0.030
Si (%) 0.10-0.60 0.10–0.40
Cr (%) 11.00-13.50 11.00–13.00
V (%) <=1.00 0.80–1.10
W (%) <=1.00 Not specified
Mo (%) Not specified 0.70–1.00
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A681 D3 DIN EN ISO 4957 1.2379
Hardness <=255 HB Not specified
Condition Annealed (maximum Brinell hardness) Not specified
Hardness (annealed) Not specified ≤255 HB
Hardness (hardened) Not specified 58–62 HRC
Compressive Strength Not specified 2600 MPa
Typical Applications
ASTM A681 D3
Blanking dies, forming dies, gauges, rolls
DIN EN ISO 4957 1.2379
Blanking dies, forming dies, thread rolling dies, punches, shear blades, gauges, broaches, drawing dies
Key Differences
Can ASTM A681 D3 Be Substituted With DIN EN ISO 4957 1.2379?
ASTM A681 D3 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
ASTM A681 D3
Round Bar → (5 listings)
Diameter: 80–100 mm (3.15–3.94 in)
Length: 2900–3600 mm (114.17–141.73 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
ASTM A681 D3
5 active listings and RFQs →
DIN EN ISO 4957 1.2379
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between ASTM A681 D3 and DIN EN ISO 4957 1.2379?
ASTM A681 D3 specifies W which is not specified for DIN EN ISO 4957 1.2379. DIN EN ISO 4957 1.2379 specifies Mo which is not specified for ASTM A681 D3.
Can ASTM A681 D3 be substituted with DIN EN ISO 4957 1.2379?
ASTM A681 D3 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.