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IS 11169 (Part 1) 20Mn5Cr5 vs BS 970 EN33

Related Material — 65% match based on chemical composition and mechanical property overlap.

IS 11169 (Part 1) 20Mn5Cr5 (IS 11169 (Part 1):2022) and BS 970 EN33 (BS 970:1955) are both steel grades. Both fall under the Alloy Steel category. IS 11169 (Part 1) 20Mn5Cr5 is typically used for cold heading and cold extrusion of parts that are case hardened; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, annex b), while BS 970 EN33 is commonly used for bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. suitable for tensile strength of 45 tons/sq in min.. IS 11169 (Part 1) 20Mn5Cr5 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 EN33 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 11169 (Part 1) 20Mn5Cr5 vs BS 970 EN33 is a 65% 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 65%.

Frequently Compared With IS 11169 (Part 1) 20Mn5Cr5:
IS 1570 (Part 4) 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 10Mo6 IS 4367 07Cr4Mo6 NF A35-565 100C6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 7) 10Mo6H
Match Breakdown
CHEMISTRY MATCH
65%
MECHANICAL MATCH
No shared data
OVERALL
65%
Specifications
Property IS 11169 (Part 1) 20Mn5Cr5 BS 970 EN33
Standard IS 11169 (Part 1):2022 BS 970:1955
Category Alloy Steel Alloy Steel
C (%) 0.17-0.22 0.10-0.15
Cr (%) 1.00-1.30 <=0.30
Cu (%) <=0.15 Not specified
Mn (%) 1.00-1.40 0.30-0.60
Mo (%) <=0.05 Not specified
Ni (%) <=0.15 2.75-3.50
P (%) <=0.035 <=0.050
S (%) <=0.035 <=0.050
Si (%) 0.10-0.35 0.10-0.35
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 11169 (Part 1) 20Mn5Cr5 BS 970 EN33
Hardness, annealed (+AC) <=170 HBW Not specified
Tensile Strength Not specified ≥695 MPa (45 tons/sq in, converted)
Elongation Not specified ≥18%
Condition Not specified Core, after heat treatment (lowest-strength condition of the standard)
Typical Applications
IS 11169 (Part 1) 20Mn5Cr5
Cold heading and cold extrusion of parts that are case hardened; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, Annex B)
BS 970 EN33
Bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. Suitable for tensile strength of 45 tons/sq in min.
Key Differences
Can IS 11169 (Part 1) 20Mn5Cr5 Be Substituted With BS 970 EN33?
IS 11169 (Part 1) 20Mn5Cr5 and BS 970 EN33 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 11169 (Part 1) 20Mn5Cr5
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BS 970 EN33
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Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 20Mn5Cr5 and BS 970 EN33?
IS 11169 (Part 1) 20Mn5Cr5 specifies Cu, Mo which are not specified for BS 970 EN33.
Can IS 11169 (Part 1) 20Mn5Cr5 be substituted with BS 970 EN33?
IS 11169 (Part 1) 20Mn5Cr5 and BS 970 EN33 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.