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IS 4432 20Ni2Cr2Mo2-S vs IS 4432 20Ni2Cr2Mo2

Strong Match — 98.9% match based on chemical composition and mechanical property overlap.

IS 4432 20Ni2Cr2Mo2-S (IS 4432:1988) and IS 4432 20Ni2Cr2Mo2 (IS 4432:1988) 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 4432 20Ni2Cr2Mo2 is commonly used for forgings and fabrication of case-hardened machine or automobile parts. IS 4432 20Ni2Cr2Mo2-S 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 4432 20Ni2Cr2Mo2-S vs IS 4432 20Ni2Cr2Mo2 is a 98.4% match. As per mechanical properties, the match is 100%. Combined, this makes them a strong match overall at 98.9%.

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
98.4%
MECHANICAL MATCH
100%
OVERALL
98.9%
Specifications
Property IS 4432 20Ni2Cr2Mo2-S IS 4432 20Ni2Cr2Mo2
Standard IS 4432:1988 IS 4432:1988
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 <=0.035
P (%) <=0.035 <=0.035
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 4432 20Ni2Cr2Mo2
Core Tensile Strength 850-1200 MPa (16 mm) / 800-1150 MPa (30 mm) / 750-1050 MPa (63 mm) 850-1200 MPa (16 mm) / 800-1150 MPa (30 mm) / 750-1050 MPa (63 mm)
Core Yield Strength >=600 MPa (16 mm) / >=550 MPa (30 mm) / >=520 MPa (63 mm) >=600 MPa (16 mm) / >=550 MPa (30 mm) / >=520 MPa (63 mm)
Core Elongation >=8% (16 mm) / >=9% (30 mm) / >=10% (63 mm) >=8% (16 mm) / >=9% (30 mm) / >=10% (63 mm)
Core Reduction of Area >=35% (16 mm) / >=35% (30 mm) / >=40% (63 mm) >=35% (16 mm) / >=35% (30 mm) / >=40% (63 mm)
Hardness, annealed (A) <=217 HB <=217 HB
Typical Applications
IS 4432 20Ni2Cr2Mo2-S
Forgings and fabrication of case-hardened machine or automobile parts
IS 4432 20Ni2Cr2Mo2
Forgings and fabrication of case-hardened machine or automobile parts
Can IS 4432 20Ni2Cr2Mo2-S Be Substituted With IS 4432 20Ni2Cr2Mo2?
IS 4432 20Ni2Cr2Mo2-S and IS 4432 20Ni2Cr2Mo2 overlap closely enough on chemistry and mechanical properties that IS 4432 20Ni2Cr2Mo2 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.
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IS 4432 20Ni2Cr2Mo2-S
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IS 4432 20Ni2Cr2Mo2
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Frequently Asked Questions
What is the difference between IS 4432 20Ni2Cr2Mo2-S and IS 4432 20Ni2Cr2Mo2?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 4432 20Ni2Cr2Mo2-S be substituted with IS 4432 20Ni2Cr2Mo2?
IS 4432 20Ni2Cr2Mo2-S and IS 4432 20Ni2Cr2Mo2 overlap closely enough on chemistry and mechanical properties that IS 4432 20Ni2Cr2Mo2 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.