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JIS G4404 SKD61 vs JIS G4404 SKD6

Strong Match — 96.4% match based on chemical composition and mechanical property overlap.

JIS G4404 SKD61 (JIS G4404:2006) and JIS G4404 SKD6 (JIS G4404:2006) are both steel grades. Both fall under the Tool & Die Steels category. JIS G4404 SKD61 is typically used for die casting dies, extrusion tooling, forging tools, while JIS G4404 SKD6 is commonly used for die casting dies, hot forging tools. JIS G4404 SKD61 is defined under Japanese Industrial Standards (JIS), originating from Japan, while JIS G4404 SKD6 is defined under Japanese Industrial Standards (JIS), originating from Japan.

As per chemical composition, JIS G4404 SKD61 vs JIS G4404 SKD6 is a 94.6% match. As per mechanical properties, the match is 100%. Combined, this makes them a strong match overall at 96.4%.

Frequently Compared With JIS G4404 SKD61:
DIN EN ISO 4957 1.2344 EN ISO 683-17 100Cr6 GB/T 1299 4Cr5MoSiV1 GOST 5950 4H5MFS EN ISO 4957 1.2316 AISI 52100 GB/T 1299 3Cr2W8V GB/T 1299 4Cr5MoSiV GOST 5950 4H5MFS1 DIN EN ISO 4957 1.2379 GOST 5950 3H2W8F IS 3748 103T3
Match Breakdown
CHEMISTRY MATCH
94.6%
MECHANICAL MATCH
100%
OVERALL
96.4%
Specifications
Property JIS G4404 SKD61 JIS G4404 SKD6
Standard JIS G4404:2006 JIS G4404:2006
Category Tool & Die Steels Tool & Die Steels
C (%) 0.32-0.42 0.32-0.42
Si (%) 0.80-1.20 0.80-1.20
Mn (%) 0.25-0.50 0.25-0.50
Cr (%) 4.50-5.50 4.50-5.50
Mo (%) 1.00-1.50 1.00-1.50
V (%) 0.80-1.20 0.30-0.50
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 SKD61 JIS G4404 SKD6
Hardness HRC (hardened) 44-54 40-52
Hardness HB (annealed) <=229 <=229
Typical Applications
JIS G4404 SKD61
Die casting dies, extrusion tooling, forging tools
JIS G4404 SKD6
Die casting dies, hot forging tools
Can JIS G4404 SKD61 Be Substituted With JIS G4404 SKD6?
JIS G4404 SKD61 and JIS G4404 SKD6 overlap closely enough on chemistry and mechanical properties that JIS G4404 SKD6 is often considered as a substitute for JIS G4404 SKD61 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
JIS G4404 SKD61
Round Bar → (3 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2500–4200 mm (98.43–165.35 in)
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)
On M-EX Right Now
JIS G4404 SKD61
3 active listings and RFQs →
JIS G4404 SKD6
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between JIS G4404 SKD61 and JIS G4404 SKD6?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can JIS G4404 SKD61 be substituted with JIS G4404 SKD6?
JIS G4404 SKD61 and JIS G4404 SKD6 overlap closely enough on chemistry and mechanical properties that JIS G4404 SKD6 is often considered as a substitute for JIS G4404 SKD61 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.