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IS 5517 40C15S12 vs SAE J403 1118

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

IS 5517 40C15S12 (IS 5517:1993) and SAE J403 1118 (SAE J403:2014) are both steel grades. Both fall under the Free Machining Steel category. IS 5517 40C15S12 is defined under Bureau of Indian Standards (IS), originating from India, while SAE J403 1118 is defined under SAE International, originating from United States.

As per chemical composition, IS 5517 40C15S12 vs SAE J403 1118 is a 84.8% 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 IS 5517 40C15S12:
IS 4432 10C8S10 SAE J403 1137 IS 1570 (Part 3) 10C8S10 SAE J403 1117 SAE J403 1126 SAE J403 1117 SAE J403 1141 SAE J403 1141 SAE J403 1141 SAE J403 1137 SAE J403 1118 SAE J403 1137
Match Breakdown
CHEMISTRY MATCH
84.8%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property IS 5517 40C15S12 SAE J403 1118
Standard IS 5517:1993 SAE J403:2014
Category Free Machining Steel Free Machining Steel
C (%) 0.35-0.45 0.14-0.20
Si (%) <=0.25 Not specified
Mn (%) 1.30-1.70 1.30-1.60
S (%) 0.08-0.15 0.08-0.13
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 5517 40C15S12 SAE J403 1118
Tensile Strength 700-850 MPa Not specified
Yield Strength (0.2% proof) 500 MPa min Not specified
Elongation >=18% Not specified
Izod Impact 35 J min Not specified
Hardness (annealed) <=200 HB Not specified
Condition Hardened and tempered, ruling section up to 60 mm Not specified
Typical Applications
IS 5517 40C15S12
Not documented
SAE J403 1118
Chemistry-only grade; product scope as listed in the composition notes
Key Differences
Can IS 5517 40C15S12 Be Substituted With SAE J403 1118?
IS 5517 40C15S12 and SAE J403 1118 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 5517 40C15S12
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SAE J403 1118
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Frequently Asked Questions
What is the difference between IS 5517 40C15S12 and SAE J403 1118?
IS 5517 40C15S12 specifies Si which is not specified for SAE J403 1118.
Can IS 5517 40C15S12 be substituted with SAE J403 1118?
IS 5517 40C15S12 and SAE J403 1118 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.