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DIN EN ISO 4957 1.2379 vs AISI 52100

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

DIN EN ISO 4957 1.2379 (DIN EN ISO 4957:2018-11) and AISI 52100 are both steel grades. Both fall under the Tool & Die Steels category. DIN EN ISO 4957 1.2379 is typically used for blanking dies, forming dies, thread rolling dies, punches, shear blades, gauges, broaches, drawing dies, while AISI 52100 is commonly used for anti-friction bearings, ball screws, precision rollers. DIN EN ISO 4957 1.2379 is defined under European Standard (EN), originating from Europe, while AISI 52100 is defined under AISI, originating from United States.

As per chemical composition, DIN EN ISO 4957 1.2379 vs AISI 52100 is a 66.2% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With DIN EN ISO 4957 1.2379:
EN ISO 683-17 100Cr6 GB/T 1299 4Cr5MoSiV GOST 5950 4H5MFS IS 1570 (Part 6) 133T3 IS 1570 (Part 6) 55T8 IS 1570 (Part 6) 103T3 IS 1570 (Part 6) 50T8 IS 1570 (Part 6) 65T6 IS 1570 (Part 6) 75T6 IS 1570 (Part 6) 60T6 IS 1570 (Part 6) 70T3 IS 3748 70T6
Match Breakdown
CHEMISTRY MATCH
66.2%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property DIN EN ISO 4957 1.2379 AISI 52100
Standard DIN EN ISO 4957:2018-11 AISI
Category Tool & Die Steels Tool & Die Steels
C (%) 1.50–1.60 0.93–1.05
Mn (%) 0.25–0.60 0.25–0.45
Si (%) 0.10–0.40 0.15–0.35
Cr (%) 11.00–13.00 1.35–1.60
Mo (%) 0.70–1.00 Not specified
V (%) 0.80–1.10 Not specified
S (%) ≤0.030 ≤0.025
P (%) ≤0.030 ≤0.025
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property DIN EN ISO 4957 1.2379 AISI 52100
Hardness (annealed) ≤255 HB Not specified
Hardness (hardened) 58–62 HRC Not specified
Compressive Strength 2600 MPa Not specified
Tensile Strength Not specified ≥620 MPa (annealed)
Hardness HRC Not specified 60–66 (hardened)
Hardness HB Not specified 179–229 (annealed)
Typical Applications
DIN EN ISO 4957 1.2379
Blanking dies, forming dies, thread rolling dies, punches, shear blades, gauges, broaches, drawing dies
AISI 52100
Anti-friction bearings, ball screws, precision rollers
Key Differences
Can DIN EN ISO 4957 1.2379 Be Substituted With AISI 52100?
DIN EN ISO 4957 1.2379 and AISI 52100 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
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)
AISI 52100
Round Bar → (3 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 3000–3200 mm (118.11–125.98 in)
On M-EX Right Now
DIN EN ISO 4957 1.2379
2 active listings and RFQs →
AISI 52100
3 active listings and RFQs →
Frequently Asked Questions
What is the difference between DIN EN ISO 4957 1.2379 and AISI 52100?
DIN EN ISO 4957 1.2379 specifies Mo, V which are not specified for AISI 52100.
Can DIN EN ISO 4957 1.2379 be substituted with AISI 52100?
DIN EN ISO 4957 1.2379 and AISI 52100 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.