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IS 11169 (Part 1) 20C15 vs IS 1570 (Part 4) 16Ni4Cr3

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

IS 11169 (Part 1) 20C15 (IS 11169 (Part 1):2022) and IS 1570 (Part 4) 16Ni4Cr3 (IS 1570 (Part 4):1988) are both steel grades. IS 11169 (Part 1) 20C15 is classified under Carbon Steel, while IS 1570 (Part 4) 16Ni4Cr3 is classified under Alloy Steel — a different category, which is worth noting alongside the chemistry match below. IS 11169 (Part 1) 20C15 is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 4) 16Ni4Cr3 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 11169 (Part 1) 20C15 vs IS 1570 (Part 4) 16Ni4Cr3 is a 66.7% 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 11169 (Part 1) 20C15:
BS 970 (Part 1) 040A10 BS 970 (Part 3) 070M55 BS 970 (Part 3) 045M10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A32 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 1) 040A04 BS 970 (Part 1) 045M10
Match Breakdown
CHEMISTRY MATCH
66.7%
MECHANICAL MATCH
No shared data
OVERALL
65%
Specifications
Property IS 11169 (Part 1) 20C15 IS 1570 (Part 4) 16Ni4Cr3
Standard IS 11169 (Part 1):2022 IS 1570 (Part 4):1988
Category Carbon Steel Alloy Steel
C (%) 0.16-0.24 0.12-0.20
Cr (%) <=0.15 0.60-1.00
Cu (%) <=0.15 Not specified
Mn (%) 1.30-1.70 0.60-1.00
Mo (%) <=0.05 Not specified
Ni (%) <=0.15 0.80-1.20
P (%) <=0.035 Not specified
S (%) <=0.035 Not specified
Si (%) 0.10-0.35 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) 20C15 IS 1570 (Part 4) 16Ni4Cr3
Hardness, annealed (+AC) <=170 HBW Not specified
Tensile Strength Not specified >=840 MPa
Elongation Not specified >=12%
Izod Impact Not specified >=41 J
Condition Not specified Case hardening steel, refined and quenched, core properties
Typical Applications
IS 11169 (Part 1) 20C15
Cold heading and cold extrusion of parts that are quenched and tempered; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, Annex C)
IS 1570 (Part 4) 16Ni4Cr3
Not documented
Key Differences
Can IS 11169 (Part 1) 20C15 Be Substituted With IS 1570 (Part 4) 16Ni4Cr3?
IS 11169 (Part 1) 20C15 and IS 1570 (Part 4) 16Ni4Cr3 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.
On M-EX Right Now
IS 11169 (Part 1) 20C15
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IS 1570 (Part 4) 16Ni4Cr3
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Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 20C15 and IS 1570 (Part 4) 16Ni4Cr3?
Different category: IS 11169 (Part 1) 20C15 is Carbon Steel, IS 1570 (Part 4) 16Ni4Cr3 is Alloy Steel. IS 11169 (Part 1) 20C15 specifies Cu, Mo, P, S which are not specified for IS 1570 (Part 4) 16Ni4Cr3.
Can IS 11169 (Part 1) 20C15 be substituted with IS 1570 (Part 4) 16Ni4Cr3?
IS 11169 (Part 1) 20C15 and IS 1570 (Part 4) 16Ni4Cr3 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.