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BS 4659 BD2 vs DIN EN ISO 4957 1.2379

Related Material — 55.9% match based on chemical composition and mechanical property overlap.

BS 4659 BD2 (BS 4659:1989) 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. BS 4659 BD2 is typically used for blanking dies, forming dies, thread rolling 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. BS 4659 BD2 is defined under British Standards (BS), originating from United Kingdom, while DIN EN ISO 4957 1.2379 is defined under European Standard (EN), originating from Europe.

As per chemical composition, BS 4659 BD2 vs DIN EN ISO 4957 1.2379 is a 83.9% match. As per mechanical properties, the match is 0%. Combined, this makes them a related material overall at 55.9%.

Frequently Compared With BS 4659 BD2:
GB/T 1299 3Cr2W8V EN ISO 4957 1.2316 GB/T 1299 4Cr5MoSiV AISI 52100 GB/T 1299 4Cr5MoSiV1 GOST 5950 4H5MFS EN ISO 683-17 100Cr6 GOST 5950 3H2W8F DIN EN ISO 4957 1.2344 IS 1570 (Part 6) 103T3 IS 1570 (Part 6) 133T3 IS 1570 (Part 6) 118T3
Match Breakdown
CHEMISTRY MATCH
83.9%
MECHANICAL MATCH
0%
OVERALL
55.9%
Specifications
Property BS 4659 BD2 DIN EN ISO 4957 1.2379
Standard BS 4659:1989 DIN EN ISO 4957:2018-11
Category Tool & Die Steels Tool & Die Steels
C (%) 1.40–1.60 1.50–1.60
Mn (%) 0.20–0.60 0.25–0.60
Cr (%) 11.00–13.00 11.00–13.00
Mo (%) 0.70–1.20 0.70–1.00
V (%) 0.50–1.10 0.80–1.10
Si (%) Not specified 0.10–0.40
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 BS 4659 BD2 DIN EN ISO 4957 1.2379
Hardness HRC (hardened) 58–62 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
BS 4659 BD2
Blanking dies, forming dies, thread rolling dies
DIN EN ISO 4957 1.2379
Blanking dies, forming dies, thread rolling dies, punches, shear blades, gauges, broaches, drawing dies
Key Differences
Can BS 4659 BD2 Be Substituted With DIN EN ISO 4957 1.2379?
BS 4659 BD2 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
BS 4659 BD2
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2700–3000 mm (106.3–118.11 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
BS 4659 BD2
2 active listings and RFQs →
DIN EN ISO 4957 1.2379
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 4659 BD2 and DIN EN ISO 4957 1.2379?
DIN EN ISO 4957 1.2379 specifies Si, S, P which are not specified for BS 4659 BD2.
Can BS 4659 BD2 be substituted with DIN EN ISO 4957 1.2379?
BS 4659 BD2 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.