IS 11169 (Part 1) 21Ni2Cr2Mo2 vs IS 1570 (Part 4) 20Ni2Cr2Mo2

Strong Match — 95.8% match based on chemical composition and mechanical property overlap.

IS 11169 (Part 1) 21Ni2Cr2Mo2 (IS 11169 (Part 1):2022) and IS 1570 (Part 4) 20Ni2Cr2Mo2 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. IS 11169 (Part 1) 21Ni2Cr2Mo2 is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 4) 20Ni2Cr2Mo2 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 11169 (Part 1) 21Ni2Cr2Mo2 vs IS 1570 (Part 4) 20Ni2Cr2Mo2 is a 95.8% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 95.8%.

Frequently Compared With IS 11169 (Part 1) 21Ni2Cr2Mo2:
NF A35-565 100C6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 UNI 11234 100Cr6 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 11169 (Part 1) 10Ni5Cr4 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6
Match Breakdown
CHEMISTRY MATCH
95.8%
MECHANICAL MATCH
No shared data
OVERALL
95.8%
Specifications
Property IS 11169 (Part 1) 21Ni2Cr2Mo2 IS 1570 (Part 4) 20Ni2Cr2Mo2
Standard IS 11169 (Part 1):2022 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.18-0.23 0.18-0.23
Cr (%) 0.40-0.60 0.40-0.60
Cu (%) <=0.35 Not specified
Mn (%) 0.70-0.90 0.70-0.90
Mo (%) 0.15-0.25 0.15-0.25
Ni (%) 0.40-0.70 0.40-0.70
P (%) <=0.030 Not specified
S (%) <=0.040 Not specified
Si (%) 0.15-0.35 0.15-0.35
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Typical Applications
IS 11169 (Part 1) 21Ni2Cr2Mo2
Cold heading and cold extrusion of parts that are case hardened; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, Annex B)
IS 1570 (Part 4) 20Ni2Cr2Mo2
Not documented
Key Differences
Can IS 11169 (Part 1) 21Ni2Cr2Mo2 Be Substituted With IS 1570 (Part 4) 20Ni2Cr2Mo2?
IS 11169 (Part 1) 21Ni2Cr2Mo2 and IS 1570 (Part 4) 20Ni2Cr2Mo2 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 4) 20Ni2Cr2Mo2 is often considered as a substitute for IS 11169 (Part 1) 21Ni2Cr2Mo2 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
On M-EX Right Now
IS 11169 (Part 1) 21Ni2Cr2Mo2
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IS 1570 (Part 4) 20Ni2Cr2Mo2
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Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 21Ni2Cr2Mo2 and IS 1570 (Part 4) 20Ni2Cr2Mo2?
IS 11169 (Part 1) 21Ni2Cr2Mo2 specifies Cu, P, S which are not specified for IS 1570 (Part 4) 20Ni2Cr2Mo2.
Can IS 11169 (Part 1) 21Ni2Cr2Mo2 be substituted with IS 1570 (Part 4) 20Ni2Cr2Mo2?
IS 11169 (Part 1) 21Ni2Cr2Mo2 and IS 1570 (Part 4) 20Ni2Cr2Mo2 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 4) 20Ni2Cr2Mo2 is often considered as a substitute for IS 11169 (Part 1) 21Ni2Cr2Mo2 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.