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EN ISO 4957 X38CrMoV5-1 vs EN ISO 683-17 100Cr6

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

EN ISO 4957 X38CrMoV5-1 (EN ISO 4957:2018) and EN ISO 683-17 100Cr6 (EN ISO 683-17:2014) are both steel grades. Both fall under the Tool & Die Steels category. EN ISO 4957 X38CrMoV5-1 is typically used for die casting dies, extrusion tooling, forging dies, while EN ISO 683-17 100Cr6 is commonly used for rolling element bearings, precision components, cold work tooling. EN ISO 4957 X38CrMoV5-1 is defined under European Standard (EN), originating from Europe, while EN ISO 683-17 100Cr6 is defined under European Standard (EN), originating from Europe.

As per chemical composition, EN ISO 4957 X38CrMoV5-1 vs EN ISO 683-17 100Cr6 is a 63.1% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With EN ISO 4957 X38CrMoV5-1:
GB/T 1299 4Cr5MoSiV1 GB/T 1299 4Cr5MoSiV GOST 5950 4H5MFS GOST 5950 4H5MFS1 DIN EN ISO 4957 1.2344 EN ISO 4957 1.2316 GOST 5950 3H2W8F GB/T 1299 3Cr2W8V DIN EN ISO 4957 1.2379 IS 1570 (Part 6) 118T3 IS 1570 (Part 6) 103T3 IS 1570 (Part 6) 133T3
Match Breakdown
CHEMISTRY MATCH
63.1%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property EN ISO 4957 X38CrMoV5-1 EN ISO 683-17 100Cr6
Standard EN ISO 4957:2018 EN ISO 683-17:2014
Category Tool & Die Steels Tool & Die Steels
C (%) 0.33–0.43 0.93–1.05
Si (%) 0.80–1.20 0.15–0.35
Mn (%) 0.20–0.50 0.25–0.45
Cr (%) 4.75–5.50 1.35–1.65
Mo (%) 1.10–1.60 Not specified
V (%) 0.30–0.60 Not specified
S (%) Not specified ≤0.025
P (%) Not specified ≤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 EN ISO 4957 X38CrMoV5-1 EN ISO 683-17 100Cr6
Hardness HRC (hardened) 40–54 Not specified
Hardness HB (annealed) ≤235 Not specified
Hot Strength Excellent to 600°C Not specified
Tensile Strength Not specified ≥620 MPa (annealed)
Hardness HRC Not specified 60–66 (hardened)
Hardness HB Not specified 179–217 (annealed)
Typical Applications
EN ISO 4957 X38CrMoV5-1
Die casting dies, extrusion tooling, forging dies
EN ISO 683-17 100Cr6
Rolling element bearings, precision components, cold work tooling
Key Differences
Can EN ISO 4957 X38CrMoV5-1 Be Substituted With EN ISO 683-17 100Cr6?
EN ISO 4957 X38CrMoV5-1 and EN ISO 683-17 100Cr6 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 4957 X38CrMoV5-1
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2500–3500 mm (98.43–137.8 in)
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)
On M-EX Right Now
EN ISO 4957 X38CrMoV5-1
2 active listings and RFQs →
EN ISO 683-17 100Cr6
18 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN ISO 4957 X38CrMoV5-1 and EN ISO 683-17 100Cr6?
EN ISO 4957 X38CrMoV5-1 specifies Mo, V which are not specified for EN ISO 683-17 100Cr6. EN ISO 683-17 100Cr6 specifies S, P which are not specified for EN ISO 4957 X38CrMoV5-1.
Can EN ISO 4957 X38CrMoV5-1 be substituted with EN ISO 683-17 100Cr6?
EN ISO 4957 X38CrMoV5-1 and EN ISO 683-17 100Cr6 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.