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IS 1570 (Part 4) 55Cr3 vs SAE J404 51B60

Close Alternative — 80.3% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 4) 55Cr3 (IS 1570 (Part 4):1988) and SAE J404 51B60 (SAE J404:2000) are both steel grades. Both fall under the Alloy Steel category. IS 1570 (Part 4) 55Cr3 is defined under Bureau of Indian Standards (IS), originating from India, while SAE J404 51B60 is defined under SAE International, originating from United States.

As per chemical composition, IS 1570 (Part 4) 55Cr3 vs SAE J404 51B60 is a 80.3% 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 80.3%.

Frequently Compared With IS 1570 (Part 4) 55Cr3:
IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Mo6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
80.3%
MECHANICAL MATCH
No shared data
OVERALL
80.3%
Specifications
Property IS 1570 (Part 4) 55Cr3 SAE J404 51B60
Standard IS 1570 (Part 4):1988 SAE J404:2000
Category Alloy Steel Alloy Steel
C (%) 0.50-0.60 0.56-0.64
Si (%) 0.10-0.35 0.15-0.35
Mn (%) 0.60-0.80 0.75-1.00
Cr (%) 0.60-0.80 0.70-0.90
P (%) Not specified <=0.030
S (%) Not specified <=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) 55Cr3 SAE J404 51B60
Tensile Strength 890-1040 MPa Not specified
Yield Strength >=650 MPa (0.2 % proof stress) Not specified
Elongation >=12% Not specified
Izod Impact >=35 J Not specified
Hardness 255-311 HBS (guidance only) Not specified
Condition Wear resisting steel, hardened and tempered, limiting ruling section 63 mm Not specified
Typical Applications
IS 1570 (Part 4) 55Cr3
Not documented
SAE J404 51B60
Chemistry-only alloy steel grade; see the composition notes for product scope
Key Differences
Can IS 1570 (Part 4) 55Cr3 Be Substituted With SAE J404 51B60?
IS 1570 (Part 4) 55Cr3 and SAE J404 51B60 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) 55Cr3
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SAE J404 51B60
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Frequently Asked Questions
What is the difference between IS 1570 (Part 4) 55Cr3 and SAE J404 51B60?
SAE J404 51B60 specifies P, S which are not specified for IS 1570 (Part 4) 55Cr3.
Can IS 1570 (Part 4) 55Cr3 be substituted with SAE J404 51B60?
IS 1570 (Part 4) 55Cr3 and SAE J404 51B60 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.