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IS 11169 (Part 1) 21Ni2Cr2Mo2 vs IS 4432 20Ni2Cr2Mo2

Strong Match — 96.8% match based on chemical composition and mechanical property overlap.

IS 11169 (Part 1) 21Ni2Cr2Mo2 (IS 11169 (Part 1):2022) and IS 4432 20Ni2Cr2Mo2 (IS 4432:1988) are both steel grades. Both fall under the Alloy Steel category. IS 11169 (Part 1) 21Ni2Cr2Mo2 is typically used for 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), while IS 4432 20Ni2Cr2Mo2 is commonly used for forgings and fabrication of case-hardened machine or automobile parts. IS 11169 (Part 1) 21Ni2Cr2Mo2 is defined under Bureau of Indian Standards (IS), originating from India, while IS 4432 20Ni2Cr2Mo2 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 11169 (Part 1) 21Ni2Cr2Mo2 vs IS 4432 20Ni2Cr2Mo2 is a 96.8% 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 96.8%.

Frequently Compared With IS 11169 (Part 1) 21Ni2Cr2Mo2:
IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr6 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 11169 (Part 1) 10Ni5Cr4
Match Breakdown
CHEMISTRY MATCH
96.8%
MECHANICAL MATCH
No shared data
OVERALL
96.8%
Specifications
Property IS 11169 (Part 1) 21Ni2Cr2Mo2 IS 4432 20Ni2Cr2Mo2
Standard IS 11169 (Part 1):2022 IS 4432:1988
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 <=0.035
S (%) <=0.040 <=0.035
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.
Mechanical Properties
Property IS 11169 (Part 1) 21Ni2Cr2Mo2 IS 4432 20Ni2Cr2Mo2
Core Tensile Strength Not specified 850-1200 MPa (16 mm) / 800-1150 MPa (30 mm) / 750-1050 MPa (63 mm)
Core Yield Strength Not specified >=600 MPa (16 mm) / >=550 MPa (30 mm) / >=520 MPa (63 mm)
Core Elongation Not specified >=8% (16 mm) / >=9% (30 mm) / >=10% (63 mm)
Core Reduction of Area Not specified >=35% (16 mm) / >=35% (30 mm) / >=40% (63 mm)
Hardness, annealed (A) Not specified <=217 HB
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 4432 20Ni2Cr2Mo2
Forgings and fabrication of case-hardened machine or automobile parts
Key Differences
Can IS 11169 (Part 1) 21Ni2Cr2Mo2 Be Substituted With IS 4432 20Ni2Cr2Mo2?
IS 11169 (Part 1) 21Ni2Cr2Mo2 and IS 4432 20Ni2Cr2Mo2 overlap closely enough on chemistry and mechanical properties that IS 4432 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 4432 20Ni2Cr2Mo2
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Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 21Ni2Cr2Mo2 and IS 4432 20Ni2Cr2Mo2?
IS 11169 (Part 1) 21Ni2Cr2Mo2 specifies Cu which is not specified for IS 4432 20Ni2Cr2Mo2.
Can IS 11169 (Part 1) 21Ni2Cr2Mo2 be substituted with IS 4432 20Ni2Cr2Mo2?
IS 11169 (Part 1) 21Ni2Cr2Mo2 and IS 4432 20Ni2Cr2Mo2 overlap closely enough on chemistry and mechanical properties that IS 4432 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.