IS 1570 (Part 4) 16Ni8Cr6Mo2 vs BS 970 (Part 1) 822H17
Strong Match — 88.3% match
based on chemical composition and mechanical property overlap.
IS 1570 (Part 4) 16Ni8Cr6Mo2 (IS 1570 (Part 4):1988) and BS 970 (Part 1) 822H17 (BS 970 (Part 1):1991) are both steel grades.
Both fall under the Alloy Steel category.
IS 1570 (Part 4) 16Ni8Cr6Mo2 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 1) 822H17 is defined under British Standards (BS), originating from United Kingdom.
As per chemical composition, IS 1570 (Part 4) 16Ni8Cr6Mo2 vs BS 970 (Part 1) 822H17 is a 88.3% 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 88.3%.
Frequently Compared With IS 1570 (Part 4) 16Ni8Cr6Mo2:
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) 16Ni8Cr6Mo2
BS 970 (Part 1) 822H17
Tensile Strength
>=1340 MPa
Not specified
Elongation
>=9%
Not specified
Izod Impact
>=35 J
Not specified
Condition
Case hardening steel, refined and quenched, core properties
Not specified
Typical Applications
IS 1570 (Part 4) 16Ni8Cr6Mo2
Not documented
BS 970 (Part 1) 822H17
Case hardening steel (section four)
Key Differences
IS 1570 (Part 4) 16Ni8Cr6Mo2 specifies Si which is not specified for BS 970 (Part 1) 822H17.
Can IS 1570 (Part 4) 16Ni8Cr6Mo2 Be Substituted With BS 970 (Part 1) 822H17?
IS 1570 (Part 4) 16Ni8Cr6Mo2 and BS 970 (Part 1) 822H17 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 822H17 is often considered as a substitute for IS 1570 (Part 4) 16Ni8Cr6Mo2 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
What is the difference between IS 1570 (Part 4) 16Ni8Cr6Mo2 and BS 970 (Part 1) 822H17?
IS 1570 (Part 4) 16Ni8Cr6Mo2 specifies Si which is not specified for BS 970 (Part 1) 822H17.
Can IS 1570 (Part 4) 16Ni8Cr6Mo2 be substituted with BS 970 (Part 1) 822H17?
IS 1570 (Part 4) 16Ni8Cr6Mo2 and BS 970 (Part 1) 822H17 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 822H17 is often considered as a substitute for IS 1570 (Part 4) 16Ni8Cr6Mo2 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.