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EN 10028-2 20MnMoNi4-5 vs BS 970 (Part 3) 805M20

Related Material — 60.2% match based on chemical composition and mechanical property overlap.

EN 10028-2 20MnMoNi4-5 (EN 10028-2:2017) and BS 970 (Part 3) 805M20 (BS 970 (Part 3):1991) are both steel grades. Both fall under the Alloy Steel category. EN 10028-2 20MnMoNi4-5 is typically used for flat products for pressure purposes, while BS 970 (Part 3) 805M20 is commonly used for bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; alloy case hardening steel (table 15). EN 10028-2 20MnMoNi4-5 is defined under European Standard (EN), originating from Europe, while BS 970 (Part 3) 805M20 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, EN 10028-2 20MnMoNi4-5 vs BS 970 (Part 3) 805M20 is a 60.2% 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 60.2%.

Frequently Compared With EN 10028-2 20MnMoNi4-5:
IS 4367 10Cr9Mo10 IS 1570 (Part 4) 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 10Mo6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Mo6H NF A35-565 100C6 IS 1570 (Part 4) 103Cr4
Match Breakdown
CHEMISTRY MATCH
60.2%
MECHANICAL MATCH
No shared data
OVERALL
60.2%
Specifications
Property EN 10028-2 20MnMoNi4-5 BS 970 (Part 3) 805M20
Standard EN 10028-2:2017 BS 970 (Part 3):1991
Category Alloy Steel Alloy Steel
C (%) 0.15-0.23 0.17-0.23
Si (%) <=0.40 0.10-0.40
Mn (%) 1.00-1.50 0.60-0.95
P (%) <=0.020 <=0.04
S (%) <=0.010 <=0.05
N (%) <=0.012 Not specified
Cr (%) <=0.20 0.35-0.65
Cu (%) <=0.20 Not specified
Mo (%) 0.45-0.60 0.15-0.25
Ni (%) 0.40-0.80 0.35-0.75
V (%) <=0.02 Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property EN 10028-2 20MnMoNi4-5 BS 970 (Part 3) 805M20
Tensile Strength 590-750 MPa Not specified
Yield Strength >=470 MPa Not specified
Elongation >=18% Not specified
Condition Usual delivery condition quenched and tempered (+QT), nominal thickness up to 40 mm; transverse direction, Yield Strength is ReH, Elongation is A Not specified
Typical Applications
EN 10028-2 20MnMoNi4-5
Flat products for pressure purposes
BS 970 (Part 3) 805M20
Bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; alloy case hardening steel (Table 15)
Key Differences
Can EN 10028-2 20MnMoNi4-5 Be Substituted With BS 970 (Part 3) 805M20?
EN 10028-2 20MnMoNi4-5 and BS 970 (Part 3) 805M20 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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EN 10028-2 20MnMoNi4-5
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BS 970 (Part 3) 805M20
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Frequently Asked Questions
What is the difference between EN 10028-2 20MnMoNi4-5 and BS 970 (Part 3) 805M20?
EN 10028-2 20MnMoNi4-5 specifies N, Cu, V which are not specified for BS 970 (Part 3) 805M20.
Can EN 10028-2 20MnMoNi4-5 be substituted with BS 970 (Part 3) 805M20?
EN 10028-2 20MnMoNi4-5 and BS 970 (Part 3) 805M20 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.