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JIS G4404 SKS93 vs GB/T 1299 4Cr5MoSiV1

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

JIS G4404 SKS93 (JIS G4404:2006) and GB/T 1299 4Cr5MoSiV1 (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 4Cr5MoSiV1 is commonly used for die casting dies, forging dies, extrusion tools. JIS G4404 SKS93 is defined under Japanese Industrial Standards (JIS), originating from Japan, while GB/T 1299 4Cr5MoSiV1 is defined under Guobiao Standards (GB/T), originating from China.

As per chemical composition, JIS G4404 SKS93 vs GB/T 1299 4Cr5MoSiV1 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 DIN EN ISO 4957 1.2344 GOST 5950 3H2W8F GB/T 1299 4Cr5MoSiV GOST 5950 4H5MFS1 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 4Cr5MoSiV1
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 1.20–1.75
V (%) Not specified 0.80–1.20
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 4Cr5MoSiV1
Hardness HRC (hardened) 60–64 42–54
Hardness HB (annealed) ≤212 ≤235
Typical Applications
JIS G4404 SKS93
Cold working molds, press dies, blanking dies, shear blades, gauges, jigs.
GB/T 1299 4Cr5MoSiV1
Die casting dies, forging dies, extrusion tools
Key Differences
Can JIS G4404 SKS93 Be Substituted With GB/T 1299 4Cr5MoSiV1?
JIS G4404 SKS93 and GB/T 1299 4Cr5MoSiV1 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 4Cr5MoSiV1
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2700–4100 mm (106.3–161.42 in)
On M-EX Right Now
JIS G4404 SKS93
2 active listings and RFQs →
GB/T 1299 4Cr5MoSiV1
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between JIS G4404 SKS93 and GB/T 1299 4Cr5MoSiV1?
JIS G4404 SKS93 specifies P, S which are not specified for GB/T 1299 4Cr5MoSiV1. GB/T 1299 4Cr5MoSiV1 specifies Mo, V which are not specified for JIS G4404 SKS93.
Can JIS G4404 SKS93 be substituted with GB/T 1299 4Cr5MoSiV1?
JIS G4404 SKS93 and GB/T 1299 4Cr5MoSiV1 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.