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IS 4367 40Cr4 vs IS 5517 40Cr4

Strong Match — 91.7% match based on chemical composition and mechanical property overlap.

IS 4367 40Cr4 (IS 4367:1991) and IS 5517 40Cr4 (IS 5517:1993) are both steel grades. Both fall under the Alloy Steel category. IS 4367 40Cr4 is defined under Bureau of Indian Standards (IS), originating from India, while IS 5517 40Cr4 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 4367 40Cr4 vs IS 5517 40Cr4 is a 100% match. As per mechanical properties, the match is 75%. Combined, this makes them a strong match overall at 91.7%.

Frequently Compared With IS 4367 40Cr4:
GOST 4543 12HN3A NF A35-565 100C6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 10Cr20Mo6 UNI 11234 100Cr6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10
Match Breakdown
CHEMISTRY MATCH
100%
MECHANICAL MATCH
75%
OVERALL
91.7%
Specifications
Property IS 4367 40Cr4 IS 5517 40Cr4
Standard IS 4367:1991 IS 5517:1993
Category Alloy Steel Alloy Steel
C (%) 0.35-0.45 0.35-0.45
Si (%) 0.10-0.35 0.10-0.35
Mn (%) 0.60-0.90 0.60-0.90
Cr (%) 0.90-1.20 0.90-1.20
S (%) <=0.035 <=0.035
P (%) <=0.035 <=0.035
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 40Cr4 IS 5517 40Cr4
Tensile Strength 700-850 MPa 700-850 MPa
Yield Strength 540 MPa min Not specified
Elongation >=18% >=18%
Izod Impact 55 J min 55 J min
Hardness 208-252 HB Not specified
Hardness (soft annealed) <=220 HB Not specified
Condition Hardened and tempered, ruling section up to 100 mm Hardened and tempered, ruling section up to 100 mm
Yield Strength (0.2% proof) Not specified 540 MPa min
Hardness (annealed) Not specified <=241 HB
Typical Applications
IS 4367 40Cr4
gears, shafts, axles, spindles, bolts, forged components, machine parts
IS 5517 40Cr4
Not documented
Can IS 4367 40Cr4 Be Substituted With IS 5517 40Cr4?
IS 4367 40Cr4 and IS 5517 40Cr4 overlap closely enough on chemistry and mechanical properties that IS 5517 40Cr4 is often considered as a substitute for IS 4367 40Cr4 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
IS 4367 40Cr4
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5000–7000 mm (196.85–275.59 in)
IS 5517 40Cr4
No active listings currently.
On M-EX Right Now
IS 4367 40Cr4
2 active listings and RFQs →
IS 5517 40Cr4
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Frequently Asked Questions
What is the difference between IS 4367 40Cr4 and IS 5517 40Cr4?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 4367 40Cr4 be substituted with IS 5517 40Cr4?
IS 4367 40Cr4 and IS 5517 40Cr4 overlap closely enough on chemistry and mechanical properties that IS 5517 40Cr4 is often considered as a substitute for IS 4367 40Cr4 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.