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EN ISO 4957 X30WCrV9-3 vs JIS G4404 SKD5

Strong Match — 94.1% match based on chemical composition and mechanical property overlap.

EN ISO 4957 X30WCrV9-3 (EN ISO 4957:2018) and JIS G4404 SKD5 (JIS G4404:2006) are both steel grades. Both fall under the Tool & Die Steels category. EN ISO 4957 X30WCrV9-3 is typically used for hot extrusion dies, hot forging dies for non-ferrous metals, while JIS G4404 SKD5 is commonly used for hot extrusion dies, hot forging tools. EN ISO 4957 X30WCrV9-3 is defined under European Standard (EN), originating from Europe, while JIS G4404 SKD5 is defined under Japanese Industrial Standards (JIS), originating from Japan.

As per chemical composition, EN ISO 4957 X30WCrV9-3 vs JIS G4404 SKD5 is a 91.1% match. As per mechanical properties, the match is 100%. Combined, this makes them a strong match overall at 94.1%.

Frequently Compared With EN ISO 4957 X30WCrV9-3:
AISI 52100 EN ISO 683-17 100Cr6 GB/T 1299 4Cr5MoSiV1 GOST 5950 4H5MFS1 DIN EN ISO 4957 1.2344 DIN EN ISO 4957 1.2379 GOST 5950 3H2W8F GB/T 1299 4Cr5MoSiV EN ISO 4957 1.2316 GOST 5950 4H5MFS GB/T 1299 3Cr2W8V IS 1570 (Part 6) 103T3
Match Breakdown
CHEMISTRY MATCH
91.1%
MECHANICAL MATCH
100%
OVERALL
94.1%
Specifications
Property EN ISO 4957 X30WCrV9-3 JIS G4404 SKD5
Standard EN ISO 4957:2018 JIS G4404:2006
Category Tool & Die Steels Tool & Die Steels
C (%) 0.26–0.36 0.25-0.35
Si (%) 0.15–0.50 <=0.40
Mn (%) 0.15–0.40 <=0.50
Cr (%) 2.50–3.50 2.50-3.50
W (%) 8.50–10.00 8.00-10.00
V (%) 0.30–0.60 0.30-0.60
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 X30WCrV9-3 JIS G4404 SKD5
Hardness HRC (hardened) 38–52 38-52
Hardness HB (annealed) ≤229 <=229
Typical Applications
EN ISO 4957 X30WCrV9-3
Hot extrusion dies, hot forging dies for non-ferrous metals
JIS G4404 SKD5
Hot extrusion dies, hot forging tools
Can EN ISO 4957 X30WCrV9-3 Be Substituted With JIS G4404 SKD5?
EN ISO 4957 X30WCrV9-3 and JIS G4404 SKD5 overlap closely enough on chemistry and mechanical properties that JIS G4404 SKD5 is often considered as a substitute for EN ISO 4957 X30WCrV9-3 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
EN ISO 4957 X30WCrV9-3
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2800–3600 mm (110.24–141.73 in)
JIS G4404 SKD5
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 3200–3500 mm (125.98–137.8 in)
On M-EX Right Now
EN ISO 4957 X30WCrV9-3
2 active listings and RFQs →
JIS G4404 SKD5
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN ISO 4957 X30WCrV9-3 and JIS G4404 SKD5?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can EN ISO 4957 X30WCrV9-3 be substituted with JIS G4404 SKD5?
EN ISO 4957 X30WCrV9-3 and JIS G4404 SKD5 overlap closely enough on chemistry and mechanical properties that JIS G4404 SKD5 is often considered as a substitute for EN ISO 4957 X30WCrV9-3 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.