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IS 4367 15Ni7Cr4Mo2 vs BS 970 (Part 1) 820H17

Strong Match — 86.5% match based on chemical composition and mechanical property overlap.

IS 4367 15Ni7Cr4Mo2 (IS 4367:1991) and BS 970 (Part 1) 820H17 (BS 970 (Part 1):1983) are both steel grades. Both fall under the Alloy Steel category. IS 4367 15Ni7Cr4Mo2 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 1) 820H17 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 4367 15Ni7Cr4Mo2 vs BS 970 (Part 1) 820H17 is a 86.5% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 86.5%.

Frequently Compared With IS 4367 15Ni7Cr4Mo2:
IS 1570 (Part 4) 103Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Mo6H
Match Breakdown
CHEMISTRY MATCH
86.5%
MECHANICAL MATCH
No shared data
OVERALL
86.5%
Specifications
Property IS 4367 15Ni7Cr4Mo2 BS 970 (Part 1) 820H17
Standard IS 4367:1991 BS 970 (Part 1):1983
Category Alloy Steel Alloy Steel
C (%) 0.12-0.18 0.14-0.20
Si (%) 0.10-0.35 Not specified
Mn (%) 0.60-1.00 0.60-0.90
Ni (%) 1.50-2.00 1.50-2.00
Cr (%) 0.75-1.25 0.80-1.20
Mo (%) 0.10-0.20 0.10-0.20
S (%) <=0.035 <=0.040
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 15Ni7Cr4Mo2 BS 970 (Part 1) 820H17
Tensile Strength 1100 MPa min Not specified
Elongation >=9% Not specified
Izod Impact 35 J min Not specified
Hardness (soft annealed) <=217 HB Not specified
Condition Refined, quenched and stress relieved (core properties), ruling section up to 30 mm Not specified
Typical Applications
IS 4367 15Ni7Cr4Mo2
Not documented
BS 970 (Part 1) 820H17
Case hardening steel supplied to specified hardenability limits (end quench test, Table 10).
Key Differences
Can IS 4367 15Ni7Cr4Mo2 Be Substituted With BS 970 (Part 1) 820H17?
IS 4367 15Ni7Cr4Mo2 and BS 970 (Part 1) 820H17 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 820H17 is often considered as a substitute for IS 4367 15Ni7Cr4Mo2 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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IS 4367 15Ni7Cr4Mo2
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BS 970 (Part 1) 820H17
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Frequently Asked Questions
What is the difference between IS 4367 15Ni7Cr4Mo2 and BS 970 (Part 1) 820H17?
IS 4367 15Ni7Cr4Mo2 specifies Si which is not specified for BS 970 (Part 1) 820H17.
Can IS 4367 15Ni7Cr4Mo2 be substituted with BS 970 (Part 1) 820H17?
IS 4367 15Ni7Cr4Mo2 and BS 970 (Part 1) 820H17 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 820H17 is often considered as a substitute for IS 4367 15Ni7Cr4Mo2 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.