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IS 11169 (Part 1) 15C4 vs IS 1570 (Part 4) 15Cr6Ni6

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

IS 11169 (Part 1) 15C4 (IS 11169 (Part 1):2022) and IS 1570 (Part 4) 15Cr6Ni6 (IS 1570 (Part 4):1988) are both steel grades. IS 11169 (Part 1) 15C4 is classified under Carbon Steel, while IS 1570 (Part 4) 15Cr6Ni6 is classified under Alloy Steel — a different category, which is worth noting alongside the chemistry match below. IS 11169 (Part 1) 15C4 is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 4) 15Cr6Ni6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 11169 (Part 1) 15C4 vs IS 1570 (Part 4) 15Cr6Ni6 is a 65.6% 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 11169 (Part 1) 15C4:
BS 970 (Part 1) 040A10 BS 970 (Part 3) 070M55 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 060A32 BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 055M15
Match Breakdown
CHEMISTRY MATCH
65.6%
MECHANICAL MATCH
No shared data
OVERALL
65%
Specifications
Property IS 11169 (Part 1) 15C4 IS 1570 (Part 4) 15Cr6Ni6
Standard IS 11169 (Part 1):2022 IS 1570 (Part 4):1988
Category Carbon Steel Alloy Steel
C (%) <=0.20 0.12-0.18
Cr (%) <=0.15 1.40-1.70
Cu (%) <=0.15 Not specified
Mn (%) 0.30-0.60 0.40-0.60
Mo (%) <=0.05 Not specified
Ni (%) <=0.15 1.40-1.70
P (%) <=0.035 Not specified
S (%) <=0.035 Not specified
Si (%) Not specified 0.15-0.35
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 11169 (Part 1) 15C4 IS 1570 (Part 4) 15Cr6Ni6
Hardness, annealed (+AC) <=140 HBW Not specified
Typical Applications
IS 11169 (Part 1) 15C4
Cold heading and cold extrusion of parts not heat treated after cold forming; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, Annex A)
IS 1570 (Part 4) 15Cr6Ni6
Not documented
Key Differences
Can IS 11169 (Part 1) 15C4 Be Substituted With IS 1570 (Part 4) 15Cr6Ni6?
IS 11169 (Part 1) 15C4 and IS 1570 (Part 4) 15Cr6Ni6 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 11169 (Part 1) 15C4
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IS 1570 (Part 4) 15Cr6Ni6
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Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 15C4 and IS 1570 (Part 4) 15Cr6Ni6?
Different category: IS 11169 (Part 1) 15C4 is Carbon Steel, IS 1570 (Part 4) 15Cr6Ni6 is Alloy Steel. IS 11169 (Part 1) 15C4 specifies Cu, Mo, P, S which are not specified for IS 1570 (Part 4) 15Cr6Ni6. IS 1570 (Part 4) 15Cr6Ni6 specifies Si which is not specified for IS 11169 (Part 1) 15C4.
Can IS 11169 (Part 1) 15C4 be substituted with IS 1570 (Part 4) 15Cr6Ni6?
IS 11169 (Part 1) 15C4 and IS 1570 (Part 4) 15Cr6Ni6 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.