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IS 4367 40Ni6Cr4Mo3 vs UNI 11234 100Cr6

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

IS 4367 40Ni6Cr4Mo3 (IS 4367:1991) and UNI 11234 100Cr6 (UNI 11234:2007) are both steel grades. Both fall under the Alloy Steel category. IS 4367 40Ni6Cr4Mo3 is typically used for aircraft landing gear, high strength shafts, gears, axles, connecting rods, heavy engineering components, while UNI 11234 100Cr6 is commonly used for ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components. IS 4367 40Ni6Cr4Mo3 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 40Ni6Cr4Mo3 vs UNI 11234 100Cr6 is a 57.9% match. As per mechanical properties, the match is 8.3%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With IS 4367 40Ni6Cr4Mo3:
NF A35-565 100C6 GB/T 3077 12Cr2Ni4A GOST 4543 12HN3A IS 1570 (Part 4) 103Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 105Cr5 EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
57.9%
MECHANICAL MATCH
8.3%
OVERALL
35%
Specifications
Property IS 4367 40Ni6Cr4Mo3 UNI 11234 100Cr6
Standard IS 4367:1991 UNI 11234:2007
Category Alloy Steel Alloy Steel
C (%) 0.35-0.45 0.93-1.05
Si (%) 0.10-0.35 0.15-0.35
Mn (%) 0.40-0.70 0.25-0.45
Ni (%) 1.25-1.75 Not specified
Cr (%) 0.90-1.30 1.35-1.65
Mo (%) 0.20-0.35 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 40Ni6Cr4Mo3 UNI 11234 100Cr6
Tensile Strength 900-1050 MPa 750-1000 MPa
Yield Strength 700 MPa min 400-600 MPa
Elongation >=15% 10-14 %
Izod Impact 55 J min Not specified
Hardness 266-311 HB 60-64 HRC
Hardness (soft annealed) <=230 HB Not specified
Condition Hardened and tempered, ruling section up to 150 mm Not specified
Typical Applications
IS 4367 40Ni6Cr4Mo3
aircraft landing gear, high strength shafts, gears, axles, connecting rods, heavy engineering components
UNI 11234 100Cr6
ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components
Key Differences
Can IS 4367 40Ni6Cr4Mo3 Be Substituted With UNI 11234 100Cr6?
IS 4367 40Ni6Cr4Mo3 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 40Ni6Cr4Mo3
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5000–5200 mm (196.85–204.72 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 40Ni6Cr4Mo3
2 active listings and RFQs →
UNI 11234 100Cr6
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 4367 40Ni6Cr4Mo3 and UNI 11234 100Cr6?
IS 4367 40Ni6Cr4Mo3 specifies Ni, Mo which are not specified for UNI 11234 100Cr6.
Can IS 4367 40Ni6Cr4Mo3 be substituted with UNI 11234 100Cr6?
IS 4367 40Ni6Cr4Mo3 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.