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IS 1570 (Part 4) 16Ni6Cr7Mo3 vs EN 10084 20NiCrMoS6-4

Close Alternative — 75.1% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 4) 16Ni6Cr7Mo3 (IS 1570 (Part 4):1988) and EN 10084 20NiCrMoS6-4 (EN 10084:2008) are both steel grades. Both fall under the Alloy Steel category. IS 1570 (Part 4) 16Ni6Cr7Mo3 is defined under Bureau of Indian Standards (IS), originating from India, while EN 10084 20NiCrMoS6-4 is defined under European Standard (EN), originating from Europe.

As per chemical composition, IS 1570 (Part 4) 16Ni6Cr7Mo3 vs EN 10084 20NiCrMoS6-4 is a 75.1% 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 75.1%.

Frequently Compared With IS 1570 (Part 4) 16Ni6Cr7Mo3:
IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 07Cr4Mo6 UNI 11234 100Cr6 GB/T 3077 12Cr2Ni4A IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Mo6 GOST 4543 12HN3A NF A35-565 100C6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 07Cr4Mo6 IS 1570 (Part 7) 10Cr36Mo10H
Match Breakdown
CHEMISTRY MATCH
75.1%
MECHANICAL MATCH
No shared data
OVERALL
75.1%
Specifications
Property IS 1570 (Part 4) 16Ni6Cr7Mo3 EN 10084 20NiCrMoS6-4
Standard IS 1570 (Part 4):1988 EN 10084:2008
Category Alloy Steel Alloy Steel
C (%) 0.14-0.19 0.16-0.23
Si (%) 0.15-0.35 <=0.40
Mn (%) 0.40-0.60 0.50-0.90
Ni (%) 1.40-1.70 1.40-1.70
Cr (%) 1.50-1.80 0.60-0.90
Mo (%) 0.25-0.35 0.25-0.35
P (%) Not specified <=0.025
S (%) Not specified 0.020-0.040
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) 16Ni6Cr7Mo3 EN 10084 20NiCrMoS6-4
Condition Not specified Soft annealed
Hardenability Not specified +H band at 1.5 mm from the quenched end: 41 to 49 HRC
Hardness Not specified Soft annealed: 229 HB max
Typical Applications
IS 1570 (Part 4) 16Ni6Cr7Mo3
Not documented
EN 10084 20NiCrMoS6-4
Case hardened machine parts: carburized or carbonitrided, then hardened (clause 3.1)
Key Differences
Can IS 1570 (Part 4) 16Ni6Cr7Mo3 Be Substituted With EN 10084 20NiCrMoS6-4?
IS 1570 (Part 4) 16Ni6Cr7Mo3 and EN 10084 20NiCrMoS6-4 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 1570 (Part 4) 16Ni6Cr7Mo3
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EN 10084 20NiCrMoS6-4
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Frequently Asked Questions
What is the difference between IS 1570 (Part 4) 16Ni6Cr7Mo3 and EN 10084 20NiCrMoS6-4?
EN 10084 20NiCrMoS6-4 specifies P, S which are not specified for IS 1570 (Part 4) 16Ni6Cr7Mo3.
Can IS 1570 (Part 4) 16Ni6Cr7Mo3 be substituted with EN 10084 20NiCrMoS6-4?
IS 1570 (Part 4) 16Ni6Cr7Mo3 and EN 10084 20NiCrMoS6-4 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.