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IS 4367 15Ni16Cr5 vs BS 970 (Part 3) 635M15

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

IS 4367 15Ni16Cr5 (IS 4367:1991) and BS 970 (Part 3) 635M15 (BS 970 (Part 3):1991) are both steel grades. Both fall under the Alloy Steel category. IS 4367 15Ni16Cr5 is typically used for aircraft gears, heavy duty gears, transmission shafts, camshafts, automotive components, while BS 970 (Part 3) 635M15 is commonly used for bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; alloy case hardening steel (table 15). IS 4367 15Ni16Cr5 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 3) 635M15 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 4367 15Ni16Cr5 vs BS 970 (Part 3) 635M15 is a 76.1% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 69.9%.

Frequently Compared With IS 4367 15Ni16Cr5:
GOST 4543 12HN3A NF A35-565 100C6 UNI 11234 100Cr6 GB/T 3077 12Cr2Ni4A IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10
Match Breakdown
CHEMISTRY MATCH
76.1%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property IS 4367 15Ni16Cr5 BS 970 (Part 3) 635M15
Standard IS 4367:1991 BS 970 (Part 3):1991
Category Alloy Steel Alloy Steel
C (%) 0.12-0.18 0.12-0.18
Si (%) 0.10-0.35 0.10-0.40
Mn (%) 0.40-0.70 0.60-0.90
Ni (%) 3.80-4.30 0.70-1.10
Cr (%) 1.00-1.40 0.4-0.80
S (%) <=0.035 <=0.05
P (%) <=0.035 <=0.04
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 15Ni16Cr5 BS 970 (Part 3) 635M15
Tensile Strength 1350 MPa min Not specified
Elongation >=9% Not specified
Izod Impact 35 J min Not specified
Hardness (soft annealed) <=241 HB Not specified
Condition Refined, quenched and stress relieved (core properties), ruling section up to 30 mm Not specified
Typical Applications
IS 4367 15Ni16Cr5
aircraft gears, heavy duty gears, transmission shafts, camshafts, automotive components
BS 970 (Part 3) 635M15
Bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; alloy case hardening steel (Table 15)
Can IS 4367 15Ni16Cr5 Be Substituted With BS 970 (Part 3) 635M15?
IS 4367 15Ni16Cr5 and BS 970 (Part 3) 635M15 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 15Ni16Cr5
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5500–6000 mm (216.54–236.22 in)
BS 970 (Part 3) 635M15
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On M-EX Right Now
IS 4367 15Ni16Cr5
2 active listings and RFQs →
BS 970 (Part 3) 635M15
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Frequently Asked Questions
What is the difference between IS 4367 15Ni16Cr5 and BS 970 (Part 3) 635M15?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 4367 15Ni16Cr5 be substituted with BS 970 (Part 3) 635M15?
IS 4367 15Ni16Cr5 and BS 970 (Part 3) 635M15 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.