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JIS G4404 SKD6 vs EN ISO 683-17 100Cr6

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

JIS G4404 SKD6 (JIS G4404:2006) and EN ISO 683-17 100Cr6 (EN ISO 683-17:2014) are both steel grades. Both fall under the Tool & Die Steels category. JIS G4404 SKD6 is typically used for die casting dies, hot forging tools, while EN ISO 683-17 100Cr6 is commonly used for rolling element bearings, precision components, cold work tooling. JIS G4404 SKD6 is defined under Japanese Industrial Standards (JIS), originating from Japan, while EN ISO 683-17 100Cr6 is defined under European Standard (EN), originating from Europe.

As per chemical composition, JIS G4404 SKD6 vs EN ISO 683-17 100Cr6 is a 63.8% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With JIS G4404 SKD6:
GOST 5950 4H5MFS1 GOST 5950 4H5MFS AISI 52100 GB/T 1299 4Cr5MoSiV EN ISO 4957 1.2316 GOST 5950 3H2W8F GB/T 1299 3Cr2W8V DIN EN ISO 4957 1.2344 DIN EN ISO 4957 1.2379 GB/T 1299 4Cr5MoSiV1 IS 1570 (Part 6) 103T3 IS 3748 103T3
Match Breakdown
CHEMISTRY MATCH
63.8%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property JIS G4404 SKD6 EN ISO 683-17 100Cr6
Standard JIS G4404:2006 EN ISO 683-17:2014
Category Tool & Die Steels Tool & Die Steels
C (%) 0.32-0.42 0.93–1.05
Si (%) 0.80-1.20 0.15–0.35
Mn (%) 0.25-0.50 0.25–0.45
Cr (%) 4.50-5.50 1.35–1.65
Mo (%) 1.00-1.50 Not specified
V (%) 0.30-0.50 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 JIS G4404 SKD6 EN ISO 683-17 100Cr6
Hardness HRC (hardened) 40-52 Not specified
Hardness HB (annealed) <=229 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
JIS G4404 SKD6
Die casting dies, hot forging tools
EN ISO 683-17 100Cr6
Rolling element bearings, precision components, cold work tooling
Key Differences
Can JIS G4404 SKD6 Be Substituted With EN ISO 683-17 100Cr6?
JIS G4404 SKD6 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
JIS G4404 SKD6
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2500–3900 mm (98.43–153.54 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
JIS G4404 SKD6
2 active listings and RFQs →
EN ISO 683-17 100Cr6
18 active listings and RFQs →
Frequently Asked Questions
What is the difference between JIS G4404 SKD6 and EN ISO 683-17 100Cr6?
JIS G4404 SKD6 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 JIS G4404 SKD6.
Can JIS G4404 SKD6 be substituted with EN ISO 683-17 100Cr6?
JIS G4404 SKD6 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.