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IS 3748 T55Si7Mo3 vs SAE J404 4023

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

IS 3748 T55Si7Mo3 (IS 3748:1990) and SAE J404 4023 (SAE J404:2000) are both steel grades. IS 3748 T55Si7Mo3 is classified under Tool & Die Steels, while SAE J404 4023 is classified under Alloy Steel — a different category, which is worth noting alongside the chemistry match below. IS 3748 T55Si7Mo3 is typically used for cold work tools and dies for blanking, trimming, chipping and shearing, while SAE J404 4023 is commonly used for chemistry-only alloy steel grade; see the composition notes for product scope. IS 3748 T55Si7Mo3 is defined under Bureau of Indian Standards (IS), originating from India, while SAE J404 4023 is defined under SAE International, originating from United States.

As per chemical composition, IS 3748 T55Si7Mo3 vs SAE J404 4023 is a 70.7% 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 3748 T55Si7Mo3:
IS 1570 (Part 6) 118T3 EN ISO 4957 1.2316 DIN EN ISO 4957 1.2344 EN ISO 683-17 100Cr6 IS 3748 103T3 IS 1570 (Part 6) 133T3 GOST 5950 3H2W8F GB/T 1299 3Cr2W8V DIN EN ISO 4957 1.2379 IS 3748 118T3 IS 3748 133T3 GB/T 1299 4Cr5MoSiV
Match Breakdown
CHEMISTRY MATCH
70.7%
MECHANICAL MATCH
No shared data
OVERALL
65%
Specifications
Property IS 3748 T55Si7Mo3 SAE J404 4023
Standard IS 3748:1990 SAE J404:2000
Category Tool & Die Steels Alloy Steel
C (%) 0.50-0.60 0.20-0.25
Si (%) 1.50-2.00 0.15-0.35
Mn (%) 0.80-1.00 0.70-0.90
Mo (%) 0.25-0.40 0.20-0.30
V (%) 0.12-0.20 Not specified
S (%) <=0.035 <=0.040
P (%) <=0.035 <=0.030
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 3748 T55Si7Mo3 SAE J404 4023
Hardness <=230 HB Not specified
Condition Annealed (maximum Brinell hardness) Not specified
Typical Applications
IS 3748 T55Si7Mo3
Cold work tools and dies for blanking, trimming, chipping and shearing
SAE J404 4023
Chemistry-only alloy steel grade; see the composition notes for product scope
Key Differences
Can IS 3748 T55Si7Mo3 Be Substituted With SAE J404 4023?
IS 3748 T55Si7Mo3 and SAE J404 4023 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 3748 T55Si7Mo3
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Frequently Asked Questions
What is the difference between IS 3748 T55Si7Mo3 and SAE J404 4023?
Different category: IS 3748 T55Si7Mo3 is Tool & Die Steels, SAE J404 4023 is Alloy Steel. IS 3748 T55Si7Mo3 specifies V which is not specified for SAE J404 4023.
Can IS 3748 T55Si7Mo3 be substituted with SAE J404 4023?
IS 3748 T55Si7Mo3 and SAE J404 4023 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.