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ASTM A681 A5 vs DIN EN ISO 4957 1.2379

Related Material — 61.2% match based on chemical composition and mechanical property overlap.

ASTM A681 A5 (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 A5 is typically used for tools, dies and fixtures (clause 1.2), 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 A5 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 A5 vs DIN EN ISO 4957 1.2379 is a 61.2% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 61.2%.

Frequently Compared With ASTM A681 A5:
DIN EN ISO 4957 1.2344 EN ISO 683-17 100Cr6 IS 1570 (Part 6) 103T3 IS 1570 (Part 6) 133T3 GOST 5950 3H2W8F EN ISO 4957 1.2316 GB/T 1299 4Cr5MoSiV GOST 5950 4H5MFS IS 1570 (Part 6) 118T3 GB/T 1299 3Cr2W8V GB/T 1299 4Cr5MoSiV1 IS 3748 103T3
Match Breakdown
CHEMISTRY MATCH
61.2%
MECHANICAL MATCH
No shared data
OVERALL
61.2%
Specifications
Property ASTM A681 A5 DIN EN ISO 4957 1.2379
Standard ASTM A681:2008 DIN EN ISO 4957:2018-11
Category Tool & Die Steels Tool & Die Steels
C (%) 0.95-1.05 1.50–1.60
Mn (%) 2.80-3.20 0.25–0.60
P (%) <=0.030 ≤0.030
S (%) <=0.030 ≤0.030
Si (%) 0.10-0.70 0.10–0.40
Cr (%) 0.90-1.40 11.00–13.00
Mo (%) 0.90-1.40 0.70–1.00
V (%) Not specified 0.80–1.10
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 A5 DIN EN ISO 4957 1.2379
Hardness (annealed) Not specified ≤255 HB
Hardness (hardened) Not specified 58–62 HRC
Compressive Strength Not specified 2600 MPa
Typical Applications
ASTM A681 A5
Tools, dies and fixtures (clause 1.2)
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 A5 Be Substituted With DIN EN ISO 4957 1.2379?
ASTM A681 A5 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 A5
No active listings currently.
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 A5
0 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 A5 and DIN EN ISO 4957 1.2379?
DIN EN ISO 4957 1.2379 specifies V which is not specified for ASTM A681 A5.
Can ASTM A681 A5 be substituted with DIN EN ISO 4957 1.2379?
ASTM A681 A5 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.