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EN ISO 683-17 100Cr6 vs GB/T 18254 GCr15

Strong Match — 98.2% match based on chemical composition and mechanical property overlap.

EN ISO 683-17 100Cr6 (EN ISO 683-17:2014) and GB/T 18254 GCr15 (GB/T 18254-2016) are both steel grades. Both fall under the Tool & Die Steels category. EN ISO 683-17 100Cr6 is typically used for rolling element bearings, precision components, cold work tooling, while GB/T 18254 GCr15 is commonly used for ball bearings, roller bearings, bearing races. EN ISO 683-17 100Cr6 is defined under European Standard (EN), originating from Europe, while GB/T 18254 GCr15 is defined under Guobiao Standards (GB/T), originating from China.

As per chemical composition, EN ISO 683-17 100Cr6 vs GB/T 18254 GCr15 is a 97.3% match. As per mechanical properties, the match is 100%. Combined, this makes them a strong match overall at 98.2%.

Frequently Compared With EN ISO 683-17 100Cr6:
AISI 52100 GB/T 1299 4Cr5MoSiV EN ISO 4957 1.2316 DIN EN ISO 4957 1.2379 GOST 5950 4H5MFS DIN EN ISO 4957 1.2344 GB/T 1299 4Cr5MoSiV1 GB/T 1299 3Cr2W8V GOST 5950 3H2W8F GOST 5950 4H5MFS1 IS 1570 (Part 6) 133T3 IS 1570 (Part 6) 55T8
Match Breakdown
CHEMISTRY MATCH
97.3%
MECHANICAL MATCH
100%
OVERALL
98.2%
Specifications
Property EN ISO 683-17 100Cr6 GB/T 18254 GCr15
Standard EN ISO 683-17:2014 GB/T 18254-2016
Category Tool & Die Steels Tool & Die Steels
C (%) 0.93–1.05 0.95–1.05
Si (%) 0.15–0.35 0.15–0.35
Mn (%) 0.25–0.45 0.25–0.45
Cr (%) 1.35–1.65 1.40–1.65
S (%) ≤0.025 ≤0.020
P (%) ≤0.025 ≤0.025
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property EN ISO 683-17 100Cr6 GB/T 18254 GCr15
Tensile Strength ≥620 MPa (annealed) Not specified
Hardness HRC 60–66 (hardened) Not specified
Hardness HB 179–217 (annealed) Not specified
Hardness HRC (hardened) Not specified 60–66
Hardness HB (annealed) Not specified ≤179–207
Typical Applications
EN ISO 683-17 100Cr6
Rolling element bearings, precision components, cold work tooling
GB/T 18254 GCr15
Ball bearings, roller bearings, bearing races
Can EN ISO 683-17 100Cr6 Be Substituted With GB/T 18254 GCr15?
EN ISO 683-17 100Cr6 and GB/T 18254 GCr15 overlap closely enough on chemistry and mechanical properties that GB/T 18254 GCr15 is often considered as a substitute for EN ISO 683-17 100Cr6 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
EN ISO 683-17 100Cr6
Round Bar → (18 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 3000–6500 mm (118.11–255.91 in)
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)
On M-EX Right Now
EN ISO 683-17 100Cr6
18 active listings and RFQs →
GB/T 18254 GCr15
23 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN ISO 683-17 100Cr6 and GB/T 18254 GCr15?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can EN ISO 683-17 100Cr6 be substituted with GB/T 18254 GCr15?
EN ISO 683-17 100Cr6 and GB/T 18254 GCr15 overlap closely enough on chemistry and mechanical properties that GB/T 18254 GCr15 is often considered as a substitute for EN ISO 683-17 100Cr6 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.