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IS 4432 16Mn5Cr4 vs BS 970 (Part 1) 590H17

Strong Match — 92.5% match based on chemical composition and mechanical property overlap.

IS 4432 16Mn5Cr4 (IS 4432:1988) and BS 970 (Part 1) 590H17 (BS 970 (Part 1):1983) are both steel grades. Both fall under the Alloy Steel category. IS 4432 16Mn5Cr4 is typically used for forgings and fabrication of case-hardened machine or automobile parts, while BS 970 (Part 1) 590H17 is commonly used for case hardening steel supplied to specified hardenability limits (end quench test, table 10).. IS 4432 16Mn5Cr4 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 1) 590H17 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 4432 16Mn5Cr4 vs BS 970 (Part 1) 590H17 is a 92.5% 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 92.5%.

Frequently Compared With IS 4432 16Mn5Cr4:
IS 1570 (Part 4) 103Cr4 NF A35-565 100C6 UNI 11234 100Cr6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 7) 12Cr2Mo5V2H IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 07Cr4Mo6
Match Breakdown
CHEMISTRY MATCH
92.5%
MECHANICAL MATCH
No shared data
OVERALL
92.5%
Specifications
Property IS 4432 16Mn5Cr4 BS 970 (Part 1) 590H17
Standard IS 4432:1988 BS 970 (Part 1):1983
Category Alloy Steel Alloy Steel
C (%) 0.14-0.19 0.14-0.20
Si (%) 0.15-0.35 Not specified
Mn (%) 1.00-1.30 1.00-1.30
Cr (%) 0.80-1.10 0.80-1.10
S (%) <=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 16Mn5Cr4 BS 970 (Part 1) 590H17
Core Tensile Strength 850-1100 MPa (16 mm) / 800-1050 MPa (30 mm) / 650-950 MPa (63 mm) Not specified
Core Yield Strength >=620 MPa (16 mm) / >=600 MPa (30 mm) / >=450 MPa (63 mm) Not specified
Core Elongation >=9% (16 mm) / >=10% (30 mm) / >=11% (63 mm) Not specified
Core Reduction of Area >=30% (16 mm) / >=40% (30 mm) / >=40% (63 mm) Not specified
Hardness, annealed (A) <=207 HB Not specified
Typical Applications
IS 4432 16Mn5Cr4
Forgings and fabrication of case-hardened machine or automobile parts
BS 970 (Part 1) 590H17
Case hardening steel supplied to specified hardenability limits (end quench test, Table 10).
Key Differences
Can IS 4432 16Mn5Cr4 Be Substituted With BS 970 (Part 1) 590H17?
IS 4432 16Mn5Cr4 and BS 970 (Part 1) 590H17 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 590H17 is often considered as a substitute for IS 4432 16Mn5Cr4 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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IS 4432 16Mn5Cr4
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BS 970 (Part 1) 590H17
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Frequently Asked Questions
What is the difference between IS 4432 16Mn5Cr4 and BS 970 (Part 1) 590H17?
IS 4432 16Mn5Cr4 specifies Si which is not specified for BS 970 (Part 1) 590H17.
Can IS 4432 16Mn5Cr4 be substituted with BS 970 (Part 1) 590H17?
IS 4432 16Mn5Cr4 and BS 970 (Part 1) 590H17 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 590H17 is often considered as a substitute for IS 4432 16Mn5Cr4 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.