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IS 4432 14CrNi6-S vs BS 970 (Part 1) 655M13

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

IS 4432 14CrNi6-S (IS 4432:1988) and BS 970 (Part 1) 655M13 (BS 970 (Part 1):1983) are both steel grades. Both fall under the Alloy Steel category. IS 4432 14CrNi6-S is typically used for forgings and fabrication of case-hardened machine or automobile parts, while BS 970 (Part 1) 655M13 is commonly used for case hardening steel for mechanical and allied engineering purposes (table 11 mechanical properties).. IS 4432 14CrNi6-S is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 1) 655M13 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 4432 14CrNi6-S vs BS 970 (Part 1) 655M13 is a 70.5% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 69.9%.

Frequently Compared With IS 4432 14CrNi6-S:
IS 1570 (Part 4) 10Cr20Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 4367 07Cr4Mo6 NF A35-565 100C6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H
Match Breakdown
CHEMISTRY MATCH
70.5%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property IS 4432 14CrNi6-S BS 970 (Part 1) 655M13
Standard IS 4432:1988 BS 970 (Part 1):1983
Category Alloy Steel Alloy Steel
C (%) 0.12-0.17 0.10-0.16
Si (%) 0.15-0.40 Not specified
Mn (%) 0.40-0.60 0.35-0.60
Ni (%) 1.40-1.70 3.00-3.75
Cr (%) 1.40-1.70 0.70-1.00
S (%) 0.020-0.035 <=0.040
P (%) <=0.035 <=0.035
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 4432 14CrNi6-S BS 970 (Part 1) 655M13
Core Tensile Strength 1050-1350 MPa (16 mm) / 970-1300 MPa (30 mm) / 800-1100 MPa (63 mm) Not specified
Core Yield Strength >=720 MPa (16 mm) / >=700 MPa (30 mm) / >=550 MPa (63 mm) Not specified
Core Elongation >=8% (16 mm) / >=9% (30 mm) / >=11% (63 mm) Not specified
Core Reduction of Area >=35% (16 mm) / >=40% (30 mm) / >=40% (63 mm) Not specified
Hardness, annealed (A) <=217 HB Not specified
Typical Applications
IS 4432 14CrNi6-S
Forgings and fabrication of case-hardened machine or automobile parts
BS 970 (Part 1) 655M13
Case hardening steel for mechanical and allied engineering purposes (Table 11 mechanical properties).
Key Differences
Can IS 4432 14CrNi6-S Be Substituted With BS 970 (Part 1) 655M13?
IS 4432 14CrNi6-S and BS 970 (Part 1) 655M13 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
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IS 4432 14CrNi6-S
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BS 970 (Part 1) 655M13
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Frequently Asked Questions
What is the difference between IS 4432 14CrNi6-S and BS 970 (Part 1) 655M13?
IS 4432 14CrNi6-S specifies Si which is not specified for BS 970 (Part 1) 655M13.
Can IS 4432 14CrNi6-S be substituted with BS 970 (Part 1) 655M13?
IS 4432 14CrNi6-S and BS 970 (Part 1) 655M13 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.