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IS 11169 (Part 1) 20MnCr5 vs BS 970 (Part 1) 590H17

Close Alternative — 80.6% match based on chemical composition and mechanical property overlap.

IS 11169 (Part 1) 20MnCr5 (IS 11169 (Part 1):1984) and BS 970 (Part 1) 590H17 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Alloy Steel category. IS 11169 (Part 1) 20MnCr5 is typically used for cold heading and cold extrusion; the standard covers wires, wire rods and bars of 2 to 100 mm diameter (clause 1.1), while BS 970 (Part 1) 590H17 is commonly used for case hardening steel (section four). IS 11169 (Part 1) 20MnCr5 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 11169 (Part 1) 20MnCr5 vs BS 970 (Part 1) 590H17 is a 80.6% 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 80.6%.

Frequently Compared With IS 11169 (Part 1) 20MnCr5:
NF A35-565 100C6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 105Cr5 IS 4367 10Cr9Mo10 IS 1570 (Part 7) 12Cr2Mo5V2H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 UNI 11234 100Cr6
Match Breakdown
CHEMISTRY MATCH
80.6%
MECHANICAL MATCH
No shared data
OVERALL
80.6%
Specifications
Property IS 11169 (Part 1) 20MnCr5 BS 970 (Part 1) 590H17
Standard IS 11169 (Part 1):1984 BS 970 (Part 1):1991
Category Alloy Steel Alloy Steel
C (%) 0.17-0.22 0.14-0.20
Si (%) 0.10-0.35 Not specified
Mn (%) 1.00-1.40 1.00-1.30
Cr (%) 1.00-1.30 0.80-1.10
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 11169 (Part 1) 20MnCr5 BS 970 (Part 1) 590H17
Core Tensile Strength >=1000 MPa (30 mm) Not specified
Core Elongation >=8% (30 mm) Not specified
Hardness, annealed <=170 HB Not specified
Typical Applications
IS 11169 (Part 1) 20MnCr5
Cold heading and cold extrusion; the standard covers wires, wire rods and bars of 2 to 100 mm diameter (clause 1.1)
BS 970 (Part 1) 590H17
Case hardening steel (section four)
Key Differences
Can IS 11169 (Part 1) 20MnCr5 Be Substituted With BS 970 (Part 1) 590H17?
IS 11169 (Part 1) 20MnCr5 and BS 970 (Part 1) 590H17 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
IS 11169 (Part 1) 20MnCr5
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BS 970 (Part 1) 590H17
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Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 20MnCr5 and BS 970 (Part 1) 590H17?
IS 11169 (Part 1) 20MnCr5 specifies Si which is not specified for BS 970 (Part 1) 590H17.
Can IS 11169 (Part 1) 20MnCr5 be substituted with BS 970 (Part 1) 590H17?
IS 11169 (Part 1) 20MnCr5 and BS 970 (Part 1) 590H17 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.