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IS 4432 20Ni2Cr2Mo2-S vs IS 4367 10Cr9Mo10

Minimal Match — 36.6% match based on chemical composition and mechanical property overlap.

IS 4432 20Ni2Cr2Mo2-S (IS 4432:1988) and IS 4367 10Cr9Mo10 (IS 4367:1991) are both steel grades. Both fall under the Alloy Steel category. IS 4432 20Ni2Cr2Mo2-S is defined under Bureau of Indian Standards (IS), originating from India, while IS 4367 10Cr9Mo10 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 4432 20Ni2Cr2Mo2-S vs IS 4367 10Cr9Mo10 is a 54.9% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 36.6%.

Frequently Compared With IS 4432 20Ni2Cr2Mo2-S:
IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 7) 12Cr2Mo5V2H
Match Breakdown
CHEMISTRY MATCH
54.9%
MECHANICAL MATCH
0%
OVERALL
36.6%
Specifications
Property IS 4432 20Ni2Cr2Mo2-S IS 4367 10Cr9Mo10
Standard IS 4432:1988 IS 4367:1991
Category Alloy Steel Alloy Steel
C (%) 0.18-0.23 <=0.15
Si (%) 0.15-0.35 <=0.50
Mn (%) 0.70-0.90 0.40-0.70
Ni (%) 0.40-0.70 <=0.30
Cr (%) 0.40-0.60 2.00-2.50
Mo (%) 0.15-0.25 0.90-1.10
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 4367 10Cr9Mo10
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
Tensile Strength Not specified 410-590 MPa
Yield Strength Not specified 245 MPa min
Elongation Not specified >=18%
Izod Impact Not specified 55 J min
Hardness (soft annealed) Not specified <=187 HB
Condition Not specified Normalised and tempered, ruling section up to 50 mm
Typical Applications
IS 4432 20Ni2Cr2Mo2-S
Forgings and fabrication of case-hardened machine or automobile parts
IS 4367 10Cr9Mo10
Not documented
Can IS 4432 20Ni2Cr2Mo2-S Be Substituted With IS 4367 10Cr9Mo10?
IS 4432 20Ni2Cr2Mo2-S and IS 4367 10Cr9Mo10 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 4432 20Ni2Cr2Mo2-S
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IS 4367 10Cr9Mo10
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Frequently Asked Questions
What is the difference between IS 4432 20Ni2Cr2Mo2-S and IS 4367 10Cr9Mo10?
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 4367 10Cr9Mo10?
IS 4432 20Ni2Cr2Mo2-S and IS 4367 10Cr9Mo10 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.