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GB/T 1299 Cr12 vs IS 1570 (Part 6) T45Cr5Si3

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

GB/T 1299 Cr12 (GB/T 1299-2014) and IS 1570 (Part 6) T45Cr5Si3 (IS 1570 (Part 6):1996) are both steel grades. Both fall under the Tool & Die Steels category. GB/T 1299 Cr12 is defined under Guobiao Standards (GB/T), originating from China, while IS 1570 (Part 6) T45Cr5Si3 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, GB/T 1299 Cr12 vs IS 1570 (Part 6) T45Cr5Si3 is a 71.4% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 69.9%.

Frequently Compared With GB/T 1299 Cr12:
GOST 5950 4H5MFS1 AISI 52100 DIN EN ISO 4957 1.2344 EN ISO 683-17 100Cr6 EN ISO 4957 1.2316 GB/T 1299 4Cr5MoSiV1 DIN EN ISO 4957 1.2379 GB/T 1299 3Cr2W8V GB/T 1299 4Cr5MoSiV GOST 5950 4H5MFS GOST 5950 3H2W8F IS 1570 (Part 6) 103T3
Match Breakdown
CHEMISTRY MATCH
71.4%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property GB/T 1299 Cr12 IS 1570 (Part 6) T45Cr5Si3
Standard GB/T 1299-2014 IS 1570 (Part 6):1996
Category Tool & Die Steels Tool & Die Steels
C (%) 2.00–2.30 0.40-0.50
Si (%) ≤0.40 0.80-1.10
Mn (%) ≤0.40 0.55-0.75
Cr (%) 11.50–13.00 1.20-1.60
P (%) Not specified <=0.035
S (%) Not specified <=0.035
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 1299 Cr12 IS 1570 (Part 6) T45Cr5Si3
Hardness HRC (hardened) 60–64 Not specified
Hardness HB (annealed) ≤255 Not specified
Typical Applications
GB/T 1299 Cr12
Cold forming dies, blanking dies
IS 1570 (Part 6) T45Cr5Si3
Not documented
Key Differences
Can GB/T 1299 Cr12 Be Substituted With IS 1570 (Part 6) T45Cr5Si3?
GB/T 1299 Cr12 and IS 1570 (Part 6) T45Cr5Si3 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 1299 Cr12
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 3000–3400 mm (118.11–133.86 in)
IS 1570 (Part 6) T45Cr5Si3
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On M-EX Right Now
GB/T 1299 Cr12
2 active listings and RFQs →
IS 1570 (Part 6) T45Cr5Si3
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Frequently Asked Questions
What is the difference between GB/T 1299 Cr12 and IS 1570 (Part 6) T45Cr5Si3?
IS 1570 (Part 6) T45Cr5Si3 specifies P, S which are not specified for GB/T 1299 Cr12.
Can GB/T 1299 Cr12 be substituted with IS 1570 (Part 6) T45Cr5Si3?
GB/T 1299 Cr12 and IS 1570 (Part 6) T45Cr5Si3 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.