IS 1570 (Part 4) 42Cr6V1 vs BS 970 (Part 1) 530H40
Close Alternative — 74.3% match
based on chemical composition and mechanical property overlap.
IS 1570 (Part 4) 42Cr6V1 (IS 1570 (Part 4):1988) and BS 970 (Part 1) 530H40 (BS 970 (Part 1):1983) are both steel grades.
Both fall under the Alloy Steel category.
IS 1570 (Part 4) 42Cr6V1 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 1) 530H40 is defined under British Standards (BS), originating from United Kingdom.
As per chemical composition, IS 1570 (Part 4) 42Cr6V1 vs BS 970 (Part 1) 530H40 is a 74.3% 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 74.3%.
Frequently Compared With IS 1570 (Part 4) 42Cr6V1:
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
IS 1570 (Part 4) 42Cr6V1
BS 970 (Part 1) 530H40
Tensile Strength
1080-1280 MPa
Not specified
Yield Strength
>=880 MPa (0.2 % proof stress)
Not specified
Elongation
>=10%
Not specified
Izod Impact
>=49 J
Not specified
Hardness
320-380 HBS (guidance only)
Not specified
Condition
Bars and forgings, hardened and tempered (oil hardened unless stated), limiting ruling section 15 mm
Not specified
Typical Applications
IS 1570 (Part 4) 42Cr6V1
Not documented
BS 970 (Part 1) 530H40
Through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of Table 6.
Key Differences
IS 1570 (Part 4) 42Cr6V1 specifies Si, V which are not specified for BS 970 (Part 1) 530H40.
BS 970 (Part 1) 530H40 specifies P, S which are not specified for IS 1570 (Part 4) 42Cr6V1.
Can IS 1570 (Part 4) 42Cr6V1 Be Substituted With BS 970 (Part 1) 530H40?
IS 1570 (Part 4) 42Cr6V1 and BS 970 (Part 1) 530H40 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.
What is the difference between IS 1570 (Part 4) 42Cr6V1 and BS 970 (Part 1) 530H40?
IS 1570 (Part 4) 42Cr6V1 specifies Si, V which are not specified for BS 970 (Part 1) 530H40. BS 970 (Part 1) 530H40 specifies P, S which are not specified for IS 1570 (Part 4) 42Cr6V1.
Can IS 1570 (Part 4) 42Cr6V1 be substituted with BS 970 (Part 1) 530H40?
IS 1570 (Part 4) 42Cr6V1 and BS 970 (Part 1) 530H40 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.