Post Stock Login Register

AISI 52100 vs DIN EN ISO 4957 1.2379

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

AISI 52100 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. AISI 52100 is typically used for anti-friction bearings, ball screws, precision rollers, 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. AISI 52100 is defined under AISI, originating from United States, while DIN EN ISO 4957 1.2379 is defined under European Standard (EN), originating from Europe.

As per chemical composition, AISI 52100 vs DIN EN ISO 4957 1.2379 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 AISI 52100:
EN ISO 683-17 100Cr6 EN ISO 4957 1.2316 GB/T 1299 3Cr2W8V DIN EN ISO 4957 1.2344 GOST 5950 3H2W8F GB/T 1299 4Cr5MoSiV1 GB/T 1299 4Cr5MoSiV GOST 5950 4H5MFS GOST 5950 4H5MFS1 IS 3748 118T3
Other Tool & Die Steels Grades to Compare With AISI 52100:
IS 3748 103T3 IS 1570 (Part 6) 103T3
Match Breakdown
CHEMISTRY MATCH
66.2%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property AISI 52100 DIN EN ISO 4957 1.2379
Standard AISI DIN EN ISO 4957:2018-11
Category Tool & Die Steels Tool & Die Steels
C (%) 0.93–1.05 1.50–1.60
Si (%) 0.15–0.35 0.10–0.40
Mn (%) 0.25–0.45 0.25–0.60
Cr (%) 1.35–1.60 11.00–13.00
S (%) ≤0.025 ≤0.030
P (%) ≤0.025 ≤0.030
Mo (%) Not specified 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 AISI 52100 DIN EN ISO 4957 1.2379
Tensile Strength ≥620 MPa (annealed) Not specified
Hardness HRC 60–66 (hardened) Not specified
Hardness HB 179–229 (annealed) Not specified
Hardness (annealed) Not specified ≤255 HB
Hardness (hardened) Not specified 58–62 HRC
Compressive Strength Not specified 2600 MPa
Typical Applications
AISI 52100
Anti-friction bearings, ball screws, precision rollers
DIN EN ISO 4957 1.2379
Blanking dies, forming dies, thread rolling dies, punches, shear blades, gauges, broaches, drawing dies
Key Differences
Can AISI 52100 Be Substituted With DIN EN ISO 4957 1.2379?
AISI 52100 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
AISI 52100
Round Bar → (3 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 3000–3200 mm (118.11–125.98 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
AISI 52100
3 active listings and RFQs →
DIN EN ISO 4957 1.2379
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between AISI 52100 and DIN EN ISO 4957 1.2379?
DIN EN ISO 4957 1.2379 specifies Mo, V which are not specified for AISI 52100.
Can AISI 52100 be substituted with DIN EN ISO 4957 1.2379?
AISI 52100 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.