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JIS G4404 SKD1 vs EN ISO 4957 1.2316

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

JIS G4404 SKD1 (JIS G4404:2006) and EN ISO 4957 1.2316 (EN ISO 4957:2018) are both steel grades. Both fall under the Tool & Die Steels category. JIS G4404 SKD1 is typically used for cold forming dies, bending dies, while EN ISO 4957 1.2316 is commonly used for plastic injection moulds for corrosive materials, food packaging moulds. JIS G4404 SKD1 is defined under Japanese Industrial Standards (JIS), originating from Japan, while EN ISO 4957 1.2316 is defined under European Standard (EN), originating from Europe.

As per chemical composition, JIS G4404 SKD1 vs EN ISO 4957 1.2316 is a 58% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With JIS G4404 SKD1:
EN ISO 683-17 100Cr6 GOST 5950 4H5MFS AISI 52100 GB/T 1299 4Cr5MoSiV GB/T 1299 4Cr5MoSiV1 DIN EN ISO 4957 1.2344 GOST 5950 3H2W8F GOST 5950 4H5MFS1 GB/T 1299 3Cr2W8V DIN EN ISO 4957 1.2379 IS 1570 (Part 6) 103T3
Other Tool & Die Steels Grades to Compare With JIS G4404 SKD1:
IS 3748 103T3
Match Breakdown
CHEMISTRY MATCH
58%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property JIS G4404 SKD1 EN ISO 4957 1.2316
Standard JIS G4404:2006 EN ISO 4957:2018
Category Tool & Die Steels Tool & Die Steels
C (%) 1.80-2.40 ≤0.06
Si (%) <=0.40 ≤0.50
Mn (%) <=0.50 ≤1.00
Cr (%) 11.00-13.00 15.5–17.5
Mo (%) Not specified 0.80–1.30
Ni (%) Not specified 0.80–1.50
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 SKD1 EN ISO 4957 1.2316
Hardness HRC (hardened) 58-64 38–44
Hardness HB (annealed) <=269 Not specified
Hardness HRC Not specified 28–34 (pre-hardened)
Corrosion Resistance Not specified Good in humid/corrosive environments
Typical Applications
JIS G4404 SKD1
Cold forming dies, bending dies
EN ISO 4957 1.2316
Plastic injection moulds for corrosive materials, food packaging moulds
Key Differences
Can JIS G4404 SKD1 Be Substituted With EN ISO 4957 1.2316?
JIS G4404 SKD1 and EN ISO 4957 1.2316 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 SKD1
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 3300–3600 mm (129.92–141.73 in)
EN ISO 4957 1.2316
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2600–2700 mm (102.36–106.3 in)
On M-EX Right Now
JIS G4404 SKD1
2 active listings and RFQs →
EN ISO 4957 1.2316
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between JIS G4404 SKD1 and EN ISO 4957 1.2316?
EN ISO 4957 1.2316 specifies Mo, Ni which are not specified for JIS G4404 SKD1.
Can JIS G4404 SKD1 be substituted with EN ISO 4957 1.2316?
JIS G4404 SKD1 and EN ISO 4957 1.2316 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.