Post Stock Login Register

GB/T 18254 GCr15 vs DIN EN ISO 4957 1.2344

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

GB/T 18254 GCr15 (GB/T 18254-2016) and DIN EN ISO 4957 1.2344 (DIN EN ISO 4957:2018-11) 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 DIN EN ISO 4957 1.2344 is commonly used for die casting dies, extrusion dies, forging dies, hot shear blades, mandrels, pressure die casting tooling. GB/T 18254 GCr15 is defined under Guobiao Standards (GB/T), originating from China, while DIN EN ISO 4957 1.2344 is defined under European Standard (EN), originating from Europe.

As per chemical composition, GB/T 18254 GCr15 vs DIN EN ISO 4957 1.2344 is a 62.7% 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 EN ISO 4957 1.2316 GOST 5950 4H5MFS GOST 5950 3H2W8F GB/T 1299 3Cr2W8V GB/T 1299 4Cr5MoSiV1 IS 3748 103T3 IS 1570 (Part 6) 103T3
Match Breakdown
CHEMISTRY MATCH
62.7%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property GB/T 18254 GCr15 DIN EN ISO 4957 1.2344
Standard GB/T 18254-2016 DIN EN ISO 4957:2018-11
Category Tool & Die Steels Tool & Die Steels
C (%) 0.95–1.05 0.37–0.43
Si (%) 0.15–0.35 0.90–1.20
Mn (%) 0.25–0.45 0.30–0.50
Cr (%) 1.40–1.65 4.80–5.50
S (%) ≤0.020 ≤0.030
P (%) ≤0.025 ≤0.030
Mo (%) Not specified 1.20–1.50
V (%) Not specified 0.90–1.10
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 DIN EN ISO 4957 1.2344
Hardness HRC (hardened) 60–66 Not specified
Hardness HB (annealed) ≤179–207 Not specified
Hardness (annealed) Not specified ≤229 HB
Hardness (hardened) Not specified 44–52 HRC
Tensile Strength Not specified 1200–1600 MPa
Elongation Not specified ≥8%
Typical Applications
GB/T 18254 GCr15
Ball bearings, roller bearings, bearing races
DIN EN ISO 4957 1.2344
Die casting dies, extrusion dies, forging dies, hot shear blades, mandrels, pressure die casting tooling
Key Differences
Can GB/T 18254 GCr15 Be Substituted With DIN EN ISO 4957 1.2344?
GB/T 18254 GCr15 and DIN EN ISO 4957 1.2344 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)
DIN EN ISO 4957 1.2344
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 3000–3700 mm (118.11–145.67 in)
On M-EX Right Now
GB/T 18254 GCr15
23 active listings and RFQs →
DIN EN ISO 4957 1.2344
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between GB/T 18254 GCr15 and DIN EN ISO 4957 1.2344?
DIN EN ISO 4957 1.2344 specifies Mo, V which are not specified for GB/T 18254 GCr15.
Can GB/T 18254 GCr15 be substituted with DIN EN ISO 4957 1.2344?
GB/T 18254 GCr15 and DIN EN ISO 4957 1.2344 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.