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IS 5517 40Cr4 vs BS 970 (Part 1) 530H36

Close Alternative — 84.6% match based on chemical composition and mechanical property overlap.

IS 5517 40Cr4 (IS 5517:1993) and BS 970 (Part 1) 530H36 (BS 970 (Part 1):1983) are both steel grades. Both fall under the Alloy Steel category. IS 5517 40Cr4 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 1) 530H36 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 5517 40Cr4 vs BS 970 (Part 1) 530H36 is a 84.6% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 84.6%.

Frequently Compared With IS 5517 40Cr4:
IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 12Cr2Mo5V2H IS 1570 (Part 4) 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 4367 10Cr9Mo10 IS 1570 (Part 7) 10Mo6H IS 4367 07Cr4Mo6 NF A35-565 100C6
Match Breakdown
CHEMISTRY MATCH
84.6%
MECHANICAL MATCH
No shared data
OVERALL
84.6%
Specifications
Property IS 5517 40Cr4 BS 970 (Part 1) 530H36
Standard IS 5517:1993 BS 970 (Part 1):1983
Category Alloy Steel Alloy Steel
C (%) 0.35-0.45 0.33-0.40
Si (%) 0.10-0.35 Not specified
Mn (%) 0.60-0.90 0.50-0.90
Cr (%) 0.90-1.20 0.80-1.25
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 5517 40Cr4 BS 970 (Part 1) 530H36
Tensile Strength 700-850 MPa Not specified
Yield Strength (0.2% proof) 540 MPa min Not specified
Elongation >=18% Not specified
Izod Impact 55 J min Not specified
Hardness (annealed) <=241 HB Not specified
Condition Hardened and tempered, ruling section up to 100 mm Not specified
Typical Applications
IS 5517 40Cr4
Not documented
BS 970 (Part 1) 530H36
Through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of Table 6.
Key Differences
Can IS 5517 40Cr4 Be Substituted With BS 970 (Part 1) 530H36?
IS 5517 40Cr4 and BS 970 (Part 1) 530H36 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
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IS 5517 40Cr4
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BS 970 (Part 1) 530H36
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Frequently Asked Questions
What is the difference between IS 5517 40Cr4 and BS 970 (Part 1) 530H36?
IS 5517 40Cr4 specifies Si which is not specified for BS 970 (Part 1) 530H36.
Can IS 5517 40Cr4 be substituted with BS 970 (Part 1) 530H36?
IS 5517 40Cr4 and BS 970 (Part 1) 530H36 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.