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IS 1570 (Part 4) 20Ni2Cr2Mo2 vs AISI 8620

Strong Match — 98.6% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 4) 20Ni2Cr2Mo2 (IS 1570 (Part 4):1988) and AISI 8620 are both steel grades. Both fall under the Alloy Steel category. IS 1570 (Part 4) 20Ni2Cr2Mo2 is defined under Bureau of Indian Standards (IS), originating from India, while AISI 8620 is defined under AISI, originating from United States.

As per chemical composition, IS 1570 (Part 4) 20Ni2Cr2Mo2 vs AISI 8620 is a 98.6% 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 98.6%.

Frequently Compared With IS 1570 (Part 4) 20Ni2Cr2Mo2:
IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 07Cr4Mo6 GOST 4543 12HN3A UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 10Mo6 NF A35-565 100C6 IS 4367 07Cr4Mo6 GB/T 3077 12Cr2Ni4A IS 1570 (Part 7) 10Cr36Mo10H
Match Breakdown
CHEMISTRY MATCH
98.6%
MECHANICAL MATCH
No shared data
OVERALL
98.6%
Specifications
Property IS 1570 (Part 4) 20Ni2Cr2Mo2 AISI 8620
Standard IS 1570 (Part 4):1988 AISI
Category Alloy Steel Alloy Steel
C (%) 0.18-0.23 0.18-0.23
Si (%) 0.15-0.35 0.15-0.35
Mn (%) 0.70-0.90 0.70-0.90
Ni (%) 0.40-0.70 0.40-0.70
Cr (%) 0.40-0.60 0.40-0.60
Mo (%) 0.15-0.25 0.15-0.25
P (%) Not specified 0.035 max
S (%) Not specified 0.040 max
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) 20Ni2Cr2Mo2 AISI 8620
Tensile Strength Not specified 750-980 MPa
Yield Strength Not specified 550-780 MPa
Elongation Not specified 12-18%
Hardness Not specified 200-280 HB
Typical Applications
IS 1570 (Part 4) 20Ni2Cr2Mo2
Not documented
AISI 8620
Used for gears, shafts, sprockets, pinions, bushings, and transmission components.
Key Differences
Can IS 1570 (Part 4) 20Ni2Cr2Mo2 Be Substituted With AISI 8620?
IS 1570 (Part 4) 20Ni2Cr2Mo2 and AISI 8620 overlap closely enough on chemistry and mechanical properties that AISI 8620 is often considered as a substitute for IS 1570 (Part 4) 20Ni2Cr2Mo2 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
IS 1570 (Part 4) 20Ni2Cr2Mo2
No active listings currently.
AISI 8620
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 6600–6900 mm (259.84–271.65 in)
On M-EX Right Now
IS 1570 (Part 4) 20Ni2Cr2Mo2
0 active listings and RFQs →
AISI 8620
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 1570 (Part 4) 20Ni2Cr2Mo2 and AISI 8620?
AISI 8620 specifies P, S which are not specified for IS 1570 (Part 4) 20Ni2Cr2Mo2.
Can IS 1570 (Part 4) 20Ni2Cr2Mo2 be substituted with AISI 8620?
IS 1570 (Part 4) 20Ni2Cr2Mo2 and AISI 8620 overlap closely enough on chemistry and mechanical properties that AISI 8620 is often considered as a substitute for IS 1570 (Part 4) 20Ni2Cr2Mo2 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.