Post Stock Login Register

JIS G4404 SKS93 vs GB/T 1299 4Cr5MoSiV

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

JIS G4404 SKS93 (JIS G4404:2006) and GB/T 1299 4Cr5MoSiV (GB/T 1299-2014) are both steel grades. Both fall under the Tool & Die Steels category. JIS G4404 SKS93 is typically used for cold working molds, press dies, blanking dies, shear blades, gauges, jigs., while GB/T 1299 4Cr5MoSiV is commonly used for die casting dies, extrusion tooling. JIS G4404 SKS93 is defined under Japanese Industrial Standards (JIS), originating from Japan, while GB/T 1299 4Cr5MoSiV is defined under Guobiao Standards (GB/T), originating from China.

As per chemical composition, JIS G4404 SKS93 vs GB/T 1299 4Cr5MoSiV is a 57.3% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With JIS G4404 SKS93:
GOST 5950 4H5MFS EN ISO 683-17 100Cr6 AISI 52100 GB/T 1299 3Cr2W8V GB/T 1299 4Cr5MoSiV1 GOST 5950 3H2W8F GOST 5950 4H5MFS1 DIN EN ISO 4957 1.2344 EN ISO 4957 1.2316 DIN EN ISO 4957 1.2379 IS 3748 103T3 IS 1570 (Part 6) 103T3
Match Breakdown
CHEMISTRY MATCH
57.3%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property JIS G4404 SKS93 GB/T 1299 4Cr5MoSiV
Standard JIS G4404:2006 GB/T 1299-2014
Category Tool & Die Steels Tool & Die Steels
C (%) 1.00-1.10 0.32–0.45
Si (%) <=0.50 0.80–1.20
Mn (%) 0.80-1.10 0.20–0.50
P (%) <=0.03 Not specified
S (%) <=0.03 Not specified
Cr (%) 0.20-0.60 4.75–5.50
Mo (%) Not specified 1.10–1.60
V (%) Not specified 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 JIS G4404 SKS93 GB/T 1299 4Cr5MoSiV
Hardness HRC (hardened) 60–64 40–54
Hardness HB (annealed) ≤212 ≤235
Typical Applications
JIS G4404 SKS93
Cold working molds, press dies, blanking dies, shear blades, gauges, jigs.
GB/T 1299 4Cr5MoSiV
Die casting dies, extrusion tooling
Key Differences
Can JIS G4404 SKS93 Be Substituted With GB/T 1299 4Cr5MoSiV?
JIS G4404 SKS93 and GB/T 1299 4Cr5MoSiV 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 SKS93
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 3200–3300 mm (125.98–129.92 in)
GB/T 1299 4Cr5MoSiV
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2500–2700 mm (98.43–106.3 in)
On M-EX Right Now
JIS G4404 SKS93
2 active listings and RFQs →
GB/T 1299 4Cr5MoSiV
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between JIS G4404 SKS93 and GB/T 1299 4Cr5MoSiV?
JIS G4404 SKS93 specifies P, S which are not specified for GB/T 1299 4Cr5MoSiV. GB/T 1299 4Cr5MoSiV specifies Mo, V which are not specified for JIS G4404 SKS93.
Can JIS G4404 SKS93 be substituted with GB/T 1299 4Cr5MoSiV?
JIS G4404 SKS93 and GB/T 1299 4Cr5MoSiV 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.