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GB/T 18254 GCr15 vs IS 1570 (Part 6) T118Cr2

Close Alternative — 73% match based on chemical composition and mechanical property overlap.

GB/T 18254 GCr15 (GB/T 18254-2016) and IS 1570 (Part 6) T118Cr2 (IS 1570 (Part 6):1996) are both steel grades. Both fall under the Tool & Die Steels category. GB/T 18254 GCr15 is defined under Guobiao Standards (GB/T), originating from China, while IS 1570 (Part 6) T118Cr2 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, GB/T 18254 GCr15 vs IS 1570 (Part 6) T118Cr2 is a 73% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 73%.

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 DIN EN ISO 4957 1.2344 GOST 5950 3H2W8F GB/T 1299 3Cr2W8V GB/T 1299 4Cr5MoSiV1
Other Tool & Die Steels Grades to Compare With GB/T 18254 GCr15:
IS 3748 103T3
Match Breakdown
CHEMISTRY MATCH
73%
MECHANICAL MATCH
No shared data
OVERALL
73%
Specifications
Property GB/T 18254 GCr15 IS 1570 (Part 6) T118Cr2
Standard GB/T 18254-2016 IS 1570 (Part 6):1996
Category Tool & Die Steels Tool & Die Steels
C (%) 0.95–1.05 1.10-1.25
Si (%) 0.15–0.35 0.10-0.35
Mn (%) 0.25–0.45 <=0.40
Cr (%) 1.40–1.65 0.30-0.60
S (%) ≤0.020 <=0.035
P (%) ≤0.025 <=0.035
V (%) Not specified <=0.30
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 IS 1570 (Part 6) T118Cr2
Hardness HRC (hardened) 60–66 Not specified
Hardness HB (annealed) ≤179–207 Not specified
Typical Applications
GB/T 18254 GCr15
Ball bearings, roller bearings, bearing races
IS 1570 (Part 6) T118Cr2
Not documented
Key Differences
Can GB/T 18254 GCr15 Be Substituted With IS 1570 (Part 6) T118Cr2?
GB/T 18254 GCr15 and IS 1570 (Part 6) T118Cr2 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
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)
IS 1570 (Part 6) T118Cr2
No active listings currently.
On M-EX Right Now
GB/T 18254 GCr15
23 active listings and RFQs →
IS 1570 (Part 6) T118Cr2
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between GB/T 18254 GCr15 and IS 1570 (Part 6) T118Cr2?
IS 1570 (Part 6) T118Cr2 specifies V which is not specified for GB/T 18254 GCr15.
Can GB/T 18254 GCr15 be substituted with IS 1570 (Part 6) T118Cr2?
GB/T 18254 GCr15 and IS 1570 (Part 6) T118Cr2 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.