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IS 1570 (Part 6) T55Si7Mo3 vs IS 5517 35Mn6Mo3

Related Material — 65% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 6) T55Si7Mo3 (IS 1570 (Part 6):1996) and IS 5517 35Mn6Mo3 (IS 5517:1993) are both steel grades. IS 1570 (Part 6) T55Si7Mo3 is classified under Tool & Die Steels, while IS 5517 35Mn6Mo3 is classified under Alloy Steel — a different category, which is worth noting alongside the chemistry match below. IS 1570 (Part 6) T55Si7Mo3 is defined under Bureau of Indian Standards (IS), originating from India, while IS 5517 35Mn6Mo3 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 1570 (Part 6) T55Si7Mo3 vs IS 5517 35Mn6Mo3 is a 77% 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 65%.

Frequently Compared With IS 1570 (Part 6) T55Si7Mo3:
GOST 5950 4H5MFS1 EN ISO 683-17 100Cr6 EN ISO 4957 1.2316 GOST 5950 4H5MFS DIN EN ISO 4957 1.2344 IS 1570 (Part 6) 133T3 GB/T 1299 3Cr2W8V IS 1570 (Part 6) 118T3 GOST 5950 3H2W8F DIN EN ISO 4957 1.2379 IS 1570 (Part 6) 103T3 GB/T 1299 4Cr5MoSiV
Match Breakdown
CHEMISTRY MATCH
77%
MECHANICAL MATCH
No shared data
OVERALL
65%
Specifications
Property IS 1570 (Part 6) T55Si7Mo3 IS 5517 35Mn6Mo3
Standard IS 1570 (Part 6):1996 IS 5517:1993
Category Tool & Die Steels Alloy Steel
C (%) 0.50-0.60 0.30-0.40
Si (%) 1.50-2.00 0.10-0.35
Mn (%) 0.80-1.00 1.30-1.80
Mo (%) 0.25-0.40 0.20-0.35
V (%) 0.12-0.20 (optional) Not specified
P (%) <=0.035 <=0.035
S (%) <=0.035 <=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 IS 1570 (Part 6) T55Si7Mo3 IS 5517 35Mn6Mo3
Tensile Strength Not specified 700-850 MPa
Yield Strength (0.2% proof) Not specified 540 MPa min
Elongation Not specified >=18%
Izod Impact Not specified 55 J min
Hardness (annealed) Not specified <=220 HB
Condition Not specified Hardened and tempered, ruling section up to 150 mm
Key Differences
Can IS 1570 (Part 6) T55Si7Mo3 Be Substituted With IS 5517 35Mn6Mo3?
IS 1570 (Part 6) T55Si7Mo3 and IS 5517 35Mn6Mo3 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.
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IS 1570 (Part 6) T55Si7Mo3
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IS 5517 35Mn6Mo3
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Frequently Asked Questions
What is the difference between IS 1570 (Part 6) T55Si7Mo3 and IS 5517 35Mn6Mo3?
Different category: IS 1570 (Part 6) T55Si7Mo3 is Tool & Die Steels, IS 5517 35Mn6Mo3 is Alloy Steel. IS 1570 (Part 6) T55Si7Mo3 specifies V which is not specified for IS 5517 35Mn6Mo3.
Can IS 1570 (Part 6) T55Si7Mo3 be substituted with IS 5517 35Mn6Mo3?
IS 1570 (Part 6) T55Si7Mo3 and IS 5517 35Mn6Mo3 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.