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EN ISO 683-17 100Cr6 vs DIN EN ISO 4957 1.2379

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

EN ISO 683-17 100Cr6 (EN ISO 683-17:2014) 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. EN ISO 683-17 100Cr6 is typically used for rolling element bearings, precision components, cold work tooling, 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. EN ISO 683-17 100Cr6 is defined under European Standard (EN), originating from Europe, while DIN EN ISO 4957 1.2379 is defined under European Standard (EN), originating from Europe.

As per chemical composition, EN ISO 683-17 100Cr6 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 EN ISO 683-17 100Cr6:
AISI 52100 GB/T 1299 4Cr5MoSiV EN ISO 4957 1.2316 GOST 5950 4H5MFS DIN EN ISO 4957 1.2344 GB/T 1299 4Cr5MoSiV1 GB/T 1299 3Cr2W8V GOST 5950 3H2W8F GOST 5950 4H5MFS1 IS 1570 (Part 6) 133T3 IS 1570 (Part 6) 55T8 IS 1570 (Part 6) 70T3
Match Breakdown
CHEMISTRY MATCH
66.2%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property EN ISO 683-17 100Cr6 DIN EN ISO 4957 1.2379
Standard EN ISO 683-17:2014 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 (%) 1.35–1.65 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 EN ISO 683-17 100Cr6 DIN EN ISO 4957 1.2379
Tensile Strength ≥620 MPa (annealed) Not specified
Hardness HRC 60–66 (hardened) Not specified
Hardness HB 179–217 (annealed) Not specified
Hardness (annealed) Not specified ≤255 HB
Hardness (hardened) Not specified 58–62 HRC
Compressive Strength Not specified 2600 MPa
Typical Applications
EN ISO 683-17 100Cr6
Rolling element bearings, precision components, cold work tooling
DIN EN ISO 4957 1.2379
Blanking dies, forming dies, thread rolling dies, punches, shear blades, gauges, broaches, drawing dies
Key Differences
Can EN ISO 683-17 100Cr6 Be Substituted With DIN EN ISO 4957 1.2379?
EN ISO 683-17 100Cr6 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
EN ISO 683-17 100Cr6
Round Bar → (18 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 3000–6500 mm (118.11–255.91 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
EN ISO 683-17 100Cr6
18 active listings and RFQs →
DIN EN ISO 4957 1.2379
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN ISO 683-17 100Cr6 and DIN EN ISO 4957 1.2379?
DIN EN ISO 4957 1.2379 specifies Mo, V which are not specified for EN ISO 683-17 100Cr6.
Can EN ISO 683-17 100Cr6 be substituted with DIN EN ISO 4957 1.2379?
EN ISO 683-17 100Cr6 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.