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IS 4367 20NiCrMo2 vs UNI 11234 100Cr6

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

IS 4367 20NiCrMo2 (IS 4367:1991) and UNI 11234 100Cr6 (UNI 11234:2007) are both steel grades. Both fall under the Alloy Steel category. IS 4367 20NiCrMo2 is typically used for 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, while UNI 11234 100Cr6 is commonly used for ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components. IS 4367 20NiCrMo2 is defined under Bureau of Indian Standards (IS), originating from India, while UNI 11234 100Cr6 is defined under Ente Nazionale Italiano di Unificazione (UNI), originating from Italy.

As per chemical composition, IS 4367 20NiCrMo2 vs UNI 11234 100Cr6 is a 56.9% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With IS 4367 20NiCrMo2:
GOST 4543 12HN3A 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) 10Mo6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Mo6H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 4367 10Cr9Mo10
Match Breakdown
CHEMISTRY MATCH
56.9%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property IS 4367 20NiCrMo2 UNI 11234 100Cr6
Standard IS 4367:1991 UNI 11234:2007
Category Alloy Steel Alloy Steel
C (%) 0.18-0.23 0.93-1.05
Si (%) 0.20-0.35 0.15-0.35
Mn (%) 0.70-0.90 0.25-0.45
Ni (%) 0.40-0.70 Not specified
Cr (%) 0.40-0.60 1.35-1.65
Mo (%) 0.15-0.25 Not specified
S (%) <=0.035 <=0.025
P (%) <=0.035 <=0.025
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 UNI 11234 100Cr6
Tensile Strength 900 MPa min 750-1000 MPa
Elongation >=11% 10-14 %
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
Yield Strength Not specified 400-600 MPa
Hardness Not specified 60-64 HRC
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
UNI 11234 100Cr6
ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components
Key Differences
Can IS 4367 20NiCrMo2 Be Substituted With UNI 11234 100Cr6?
IS 4367 20NiCrMo2 and UNI 11234 100Cr6 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)
UNI 11234 100Cr6
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5700–6800 mm (224.41–267.72 in)
On M-EX Right Now
IS 4367 20NiCrMo2
2 active listings and RFQs →
UNI 11234 100Cr6
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 4367 20NiCrMo2 and UNI 11234 100Cr6?
IS 4367 20NiCrMo2 specifies Ni, Mo which are not specified for UNI 11234 100Cr6.
Can IS 4367 20NiCrMo2 be substituted with UNI 11234 100Cr6?
IS 4367 20NiCrMo2 and UNI 11234 100Cr6 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.