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IS 4367 16Mn5Cr4 vs GB/T 3077 12Cr2Ni4A

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

IS 4367 16Mn5Cr4 (IS 4367:1991) and GB/T 3077 12Cr2Ni4A (GB/T 3077-2015) are both steel grades. Both fall under the Alloy Steel category. IS 4367 16Mn5Cr4 is typically used for manganese-chromium case-hardening steel; used for gears, shafts, and transmission components requiring good core strength and hardenability, while GB/T 3077 12Cr2Ni4A is commonly used for used for gears, shafts, pinions, aircraft parts, heavy-duty bearings, and transmission components.. IS 4367 16Mn5Cr4 is defined under Bureau of Indian Standards (IS), originating from India, while GB/T 3077 12Cr2Ni4A is defined under Guobiao Standards (GB/T), originating from China.

As per chemical composition, IS 4367 16Mn5Cr4 vs GB/T 3077 12Cr2Ni4A is a 66% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With IS 4367 16Mn5Cr4:
NF A35-565 100C6 UNI 11234 100Cr6 GOST 4543 12HN3A IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 105Cr5
Other Alloy Steel Grades to Compare With IS 4367 16Mn5Cr4:
EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
66%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property IS 4367 16Mn5Cr4 GB/T 3077 12Cr2Ni4A
Standard IS 4367:1991 GB/T 3077-2015
Category Alloy Steel Alloy Steel
C (%) 0.14-0.19 0.10-0.15
Si (%) 0.10-0.35 0.17-0.37
Mn (%) 1.00-1.30 0.30-0.60
Cr (%) 0.80-1.10 1.25-1.65
S (%) <=0.035 0.025 max
P (%) <=0.035 0.025 max
Ni (%) Not specified 3.25-3.75
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 16Mn5Cr4 GB/T 3077 12Cr2Ni4A
Tensile Strength 800 MPa min 980-1180 MPa
Elongation >=10% 10-14%
Izod Impact 35 J min Not specified
Hardness (soft annealed) <=207 HB Not specified
Condition Refined, quenched and stress relieved (core properties), ruling section up to 30 mm Not specified
Yield Strength Not specified 785-980 MPa
Hardness Not specified 58-62 HRC (case)
Typical Applications
IS 4367 16Mn5Cr4
Manganese-chromium case-hardening steel; used for gears, shafts, and transmission components requiring good core strength and hardenability
GB/T 3077 12Cr2Ni4A
Used for gears, shafts, pinions, aircraft parts, heavy-duty bearings, and transmission components.
Key Differences
Can IS 4367 16Mn5Cr4 Be Substituted With GB/T 3077 12Cr2Ni4A?
IS 4367 16Mn5Cr4 and GB/T 3077 12Cr2Ni4A 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 16Mn5Cr4
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5300–6900 mm (208.66–271.65 in)
GB/T 3077 12Cr2Ni4A
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5000–6600 mm (196.85–259.84 in)
On M-EX Right Now
IS 4367 16Mn5Cr4
2 active listings and RFQs →
GB/T 3077 12Cr2Ni4A
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 4367 16Mn5Cr4 and GB/T 3077 12Cr2Ni4A?
GB/T 3077 12Cr2Ni4A specifies Ni which is not specified for IS 4367 16Mn5Cr4.
Can IS 4367 16Mn5Cr4 be substituted with GB/T 3077 12Cr2Ni4A?
IS 4367 16Mn5Cr4 and GB/T 3077 12Cr2Ni4A 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.