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GB/T 18254 GCr15 vs EN ISO 4957 1.2316

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

GB/T 18254 GCr15 (GB/T 18254-2016) and EN ISO 4957 1.2316 (EN ISO 4957:2018) are both steel grades. Both fall under the Tool & Die Steels category. GB/T 18254 GCr15 is typically used for ball bearings, roller bearings, bearing races, while EN ISO 4957 1.2316 is commonly used for plastic injection moulds for corrosive materials, food packaging moulds. GB/T 18254 GCr15 is defined under Guobiao Standards (GB/T), originating from China, while EN ISO 4957 1.2316 is defined under European Standard (EN), originating from Europe.

As per chemical composition, GB/T 18254 GCr15 vs EN ISO 4957 1.2316 is a 56.8% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With GB/T 18254 GCr15:
EN ISO 683-17 100Cr6 AISI 52100 GOST 5950 4H5MFS1 DIN EN ISO 4957 1.2379 GB/T 1299 4Cr5MoSiV GOST 5950 4H5MFS GOST 5950 3H2W8F DIN EN ISO 4957 1.2344 GB/T 1299 3Cr2W8V GB/T 1299 4Cr5MoSiV1 IS 3748 103T3 IS 1570 (Part 6) 103T3
Match Breakdown
CHEMISTRY MATCH
56.8%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property GB/T 18254 GCr15 EN ISO 4957 1.2316
Standard GB/T 18254-2016 EN ISO 4957:2018
Category Tool & Die Steels Tool & Die Steels
C (%) 0.95–1.05 ≤0.06
Si (%) 0.15–0.35 ≤0.50
Mn (%) 0.25–0.45 ≤1.00
Cr (%) 1.40–1.65 15.5–17.5
S (%) ≤0.020 Not specified
P (%) ≤0.025 Not specified
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 GB/T 18254 GCr15 EN ISO 4957 1.2316
Hardness HRC (hardened) 60–66 38–44
Hardness HB (annealed) ≤179–207 Not specified
Hardness HRC Not specified 28–34 (pre-hardened)
Corrosion Resistance Not specified Good in humid/corrosive environments
Typical Applications
GB/T 18254 GCr15
Ball bearings, roller bearings, bearing races
EN ISO 4957 1.2316
Plastic injection moulds for corrosive materials, food packaging moulds
Key Differences
Can GB/T 18254 GCr15 Be Substituted With EN ISO 4957 1.2316?
GB/T 18254 GCr15 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
GB/T 18254 GCr15
Round Bar → (23 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2700–6600 mm (106.3–259.84 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
GB/T 18254 GCr15
23 active listings and RFQs →
EN ISO 4957 1.2316
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between GB/T 18254 GCr15 and EN ISO 4957 1.2316?
GB/T 18254 GCr15 specifies S, P which are not specified for EN ISO 4957 1.2316. EN ISO 4957 1.2316 specifies Mo, Ni which are not specified for GB/T 18254 GCr15.
Can GB/T 18254 GCr15 be substituted with EN ISO 4957 1.2316?
GB/T 18254 GCr15 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.