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ASTM A681 D7 vs DIN EN ISO 4957 1.2344

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

ASTM A681 D7 (ASTM A681:2008) and DIN EN ISO 4957 1.2344 (DIN EN ISO 4957:2018-11) are both steel grades. Both fall under the Tool & Die Steels category. ASTM A681 D7 is typically used for tools, dies and fixtures (clause 1.2), while DIN EN ISO 4957 1.2344 is commonly used for die casting dies, extrusion dies, forging dies, hot shear blades, mandrels, pressure die casting tooling. ASTM A681 D7 is defined under ASTM International, originating from United States, while DIN EN ISO 4957 1.2344 is defined under European Standard (EN), originating from Europe.

As per chemical composition, ASTM A681 D7 vs DIN EN ISO 4957 1.2344 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 ASTM A681 D7:
DIN EN ISO 4957 1.2379 EN ISO 683-17 100Cr6 GOST 5950 3H2W8F EN ISO 4957 1.2316 IS 1570 (Part 6) 118T3 GB/T 1299 3Cr2W8V IS 1570 (Part 6) 103T3 IS 1570 (Part 6) 133T3 GB/T 1299 4Cr5MoSiV GB/T 1299 4Cr5MoSiV1 GOST 5950 4H5MFS GOST 5950 4H5MFS1
Match Breakdown
CHEMISTRY MATCH
59.5%
MECHANICAL MATCH
0%
OVERALL
39.6%
Specifications
Property ASTM A681 D7 DIN EN ISO 4957 1.2344
Standard ASTM A681:2008 DIN EN ISO 4957:2018-11
Category Tool & Die Steels Tool & Die Steels
C (%) 2.15-2.50 0.37–0.43
Mn (%) 0.10-0.60 0.30–0.50
P (%) <=0.030 ≤0.030
S (%) <=0.030 ≤0.030
Si (%) 0.10-0.60 0.90–1.20
Cr (%) 11.50-13.50 4.80–5.50
V (%) 3.80-4.40 0.90–1.10
Mo (%) 0.70-1.20 1.20–1.50
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 D7 DIN EN ISO 4957 1.2344
Hardness <=262 HB Not specified
Condition Annealed (maximum Brinell hardness) Not specified
Hardness (annealed) Not specified ≤229 HB
Hardness (hardened) Not specified 44–52 HRC
Tensile Strength Not specified 1200–1600 MPa
Elongation Not specified ≥8%
Typical Applications
ASTM A681 D7
Tools, dies and fixtures (clause 1.2)
DIN EN ISO 4957 1.2344
Die casting dies, extrusion dies, forging dies, hot shear blades, mandrels, pressure die casting tooling
Can ASTM A681 D7 Be Substituted With DIN EN ISO 4957 1.2344?
ASTM A681 D7 and DIN EN ISO 4957 1.2344 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 D7
No active listings currently.
DIN EN ISO 4957 1.2344
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 3000–3700 mm (118.11–145.67 in)
On M-EX Right Now
ASTM A681 D7
0 active listings and RFQs →
DIN EN ISO 4957 1.2344
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between ASTM A681 D7 and DIN EN ISO 4957 1.2344?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A681 D7 be substituted with DIN EN ISO 4957 1.2344?
ASTM A681 D7 and DIN EN ISO 4957 1.2344 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.