Post Stock Login Register

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

Strong Match — 95.4% match based on chemical composition and mechanical property overlap.

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

As per chemical composition, IS 4432 20Ni2Cr2Mo2-S vs IS 11169 (Part 1) 21Ni2Cr2Mo2 is a 95.4% 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 95.4%.

Frequently Compared With IS 4432 20Ni2Cr2Mo2-S:
IS 1570 (Part 4) 103Cr4 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H
Match Breakdown
CHEMISTRY MATCH
95.4%
MECHANICAL MATCH
No shared data
OVERALL
95.4%
Specifications
Property IS 4432 20Ni2Cr2Mo2-S IS 11169 (Part 1) 21Ni2Cr2Mo2
Standard IS 4432:1988 IS 11169 (Part 1):2022
Category Alloy Steel Alloy Steel
C (%) 0.18-0.23 0.18-0.23
Si (%) 0.15-0.35 0.15-0.35
Mn (%) 0.70-0.90 0.70-0.90
Ni (%) 0.40-0.70 0.40-0.70
Cr (%) 0.40-0.60 0.40-0.60
Mo (%) 0.15-0.25 0.15-0.25
S (%) 0.020-0.035 <=0.040
P (%) <=0.035 <=0.030
Cu (%) Not specified <=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 4432 20Ni2Cr2Mo2-S IS 11169 (Part 1) 21Ni2Cr2Mo2
Core Tensile Strength 850-1200 MPa (16 mm) / 800-1150 MPa (30 mm) / 750-1050 MPa (63 mm) Not specified
Core Yield Strength >=600 MPa (16 mm) / >=550 MPa (30 mm) / >=520 MPa (63 mm) Not specified
Core Elongation >=8% (16 mm) / >=9% (30 mm) / >=10% (63 mm) Not specified
Core Reduction of Area >=35% (16 mm) / >=35% (30 mm) / >=40% (63 mm) Not specified
Hardness, annealed (A) <=217 HB Not specified
Typical Applications
IS 4432 20Ni2Cr2Mo2-S
Forgings and fabrication of case-hardened machine or automobile parts
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)
Key Differences
Can IS 4432 20Ni2Cr2Mo2-S Be Substituted With IS 11169 (Part 1) 21Ni2Cr2Mo2?
IS 4432 20Ni2Cr2Mo2-S and IS 11169 (Part 1) 21Ni2Cr2Mo2 overlap closely enough on chemistry and mechanical properties that IS 11169 (Part 1) 21Ni2Cr2Mo2 is often considered as a substitute for IS 4432 20Ni2Cr2Mo2-S 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 4432 20Ni2Cr2Mo2-S
0 active listings and RFQs →
IS 11169 (Part 1) 21Ni2Cr2Mo2
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 4432 20Ni2Cr2Mo2-S and IS 11169 (Part 1) 21Ni2Cr2Mo2?
IS 11169 (Part 1) 21Ni2Cr2Mo2 specifies Cu which is not specified for IS 4432 20Ni2Cr2Mo2-S.
Can IS 4432 20Ni2Cr2Mo2-S be substituted with IS 11169 (Part 1) 21Ni2Cr2Mo2?
IS 4432 20Ni2Cr2Mo2-S and IS 11169 (Part 1) 21Ni2Cr2Mo2 overlap closely enough on chemistry and mechanical properties that IS 11169 (Part 1) 21Ni2Cr2Mo2 is often considered as a substitute for IS 4432 20Ni2Cr2Mo2-S in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.