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IS 4367 20NiCrMo2 vs IS 1570 (Part 4) 103Cr6

Minimal Match — 35% match based on chemical composition and mechanical property overlap.

IS 4367 20NiCrMo2 (IS 4367:1991) and IS 1570 (Part 4) 103Cr6 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. IS 4367 20NiCrMo2 is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 4) 103Cr6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 4367 20NiCrMo2 vs IS 1570 (Part 4) 103Cr6 is a 56% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With IS 4367 20NiCrMo2:
GOST 4543 12HN3A UNI 11234 100Cr6 NF A35-565 100C6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H IS 4367 07Cr4Mo6 IS 4367 10Cr9Mo10
Match Breakdown
CHEMISTRY MATCH
56%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property IS 4367 20NiCrMo2 IS 1570 (Part 4) 103Cr6
Standard IS 4367:1991 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.18-0.23 0.95-1.10
Si (%) 0.20-0.35 0.10-0.35
Mn (%) 0.70-0.90 0.25-0.45
Ni (%) 0.40-0.70 Not specified
Cr (%) 0.40-0.60 1.40-1.60
Mo (%) 0.15-0.25 Not specified
S (%) <=0.035 Not specified
P (%) <=0.035 Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 4367 20NiCrMo2 IS 1570 (Part 4) 103Cr6
Tensile Strength 900 MPa min Not specified
Elongation >=11% Not specified
Izod Impact 41 J min Not specified
Hardness (soft annealed) <=213 HB Not specified
Condition Refined, quenched and stress relieved (core properties), ruling section up to 30 mm Not specified
Typical Applications
IS 4367 20NiCrMo2
Nickel-chromium-molybdenum case-hardening steel; used for highly stressed gears, shafts, and transmission components requiring high core strength, toughness, and wear-resistant carburized surface
IS 1570 (Part 4) 103Cr6
Not documented
Key Differences
Can IS 4367 20NiCrMo2 Be Substituted With IS 1570 (Part 4) 103Cr6?
IS 4367 20NiCrMo2 and IS 1570 (Part 4) 103Cr6 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.
Forms & Sizes Available on M-EX
IS 4367 20NiCrMo2
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5900–6300 mm (232.28–248.03 in)
IS 1570 (Part 4) 103Cr6
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On M-EX Right Now
IS 4367 20NiCrMo2
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IS 1570 (Part 4) 103Cr6
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Frequently Asked Questions
What is the difference between IS 4367 20NiCrMo2 and IS 1570 (Part 4) 103Cr6?
IS 4367 20NiCrMo2 specifies Ni, Mo, S, P which are not specified for IS 1570 (Part 4) 103Cr6.
Can IS 4367 20NiCrMo2 be substituted with IS 1570 (Part 4) 103Cr6?
IS 4367 20NiCrMo2 and IS 1570 (Part 4) 103Cr6 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.