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BS 970 (Part 1) 655H13 vs IS 1570 (Part 4) 13Ni13Cr3

Close Alternative — 84% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 655H13 (BS 970 (Part 1):1983) and IS 1570 (Part 4) 13Ni13Cr3 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. BS 970 (Part 1) 655H13 is defined under British Standards (BS), originating from United Kingdom, while IS 1570 (Part 4) 13Ni13Cr3 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, BS 970 (Part 1) 655H13 vs IS 1570 (Part 4) 13Ni13Cr3 is a 84% 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 84%.

Frequently Compared With BS 970 (Part 1) 655H13:
IS 11169 (Part 1) 12Ni3Cr2 GB/T 3077 12Cr2Ni4A GOST 4543 12HN3A IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 7) 10Mo6H GB/T 3077 12CrNi2 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 4367 07Cr4Mo6
Match Breakdown
CHEMISTRY MATCH
84%
MECHANICAL MATCH
No shared data
OVERALL
84%
Specifications
Property BS 970 (Part 1) 655H13 IS 1570 (Part 4) 13Ni13Cr3
Standard BS 970 (Part 1):1983 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.10-0.16 0.10-0.15
Mn (%) 0.35-0.60 0.40-0.70
Cr (%) 0.70-1.00 0.60-1.00
Ni (%) 3.00-3.75 3.00-3.50
P (%) <=0.035 Not specified
S (%) <=0.040 Not specified
Si (%) Not specified 0.15-0.35
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property BS 970 (Part 1) 655H13 IS 1570 (Part 4) 13Ni13Cr3
Tensile Strength Not specified >=840 MPa
Elongation Not specified >=12%
Izod Impact Not specified >=48 J
Condition Not specified Case hardening steel, refined and quenched, core properties
Typical Applications
BS 970 (Part 1) 655H13
Case hardening steel supplied to specified hardenability limits (end quench test, Table 10).
IS 1570 (Part 4) 13Ni13Cr3
Not documented
Key Differences
Can BS 970 (Part 1) 655H13 Be Substituted With IS 1570 (Part 4) 13Ni13Cr3?
BS 970 (Part 1) 655H13 and IS 1570 (Part 4) 13Ni13Cr3 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.
On M-EX Right Now
BS 970 (Part 1) 655H13
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IS 1570 (Part 4) 13Ni13Cr3
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 655H13 and IS 1570 (Part 4) 13Ni13Cr3?
BS 970 (Part 1) 655H13 specifies P, S which are not specified for IS 1570 (Part 4) 13Ni13Cr3. IS 1570 (Part 4) 13Ni13Cr3 specifies Si which is not specified for BS 970 (Part 1) 655H13.
Can BS 970 (Part 1) 655H13 be substituted with IS 1570 (Part 4) 13Ni13Cr3?
BS 970 (Part 1) 655H13 and IS 1570 (Part 4) 13Ni13Cr3 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.