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BS 970 (Part 3) 805M20 vs IS 4367 10Cr9Mo10

Related Material — 57.5% match based on chemical composition and mechanical property overlap.

BS 970 (Part 3) 805M20 (BS 970 (Part 3):1991) and IS 4367 10Cr9Mo10 (IS 4367:1991) are both steel grades. Both fall under the Alloy Steel category. BS 970 (Part 3) 805M20 is defined under British Standards (BS), originating from United Kingdom, while IS 4367 10Cr9Mo10 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, BS 970 (Part 3) 805M20 vs IS 4367 10Cr9Mo10 is a 57.5% 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 57.5%.

Frequently Compared With BS 970 (Part 3) 805M20:
IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 7) 10Mo6H IS 11169 (Part 1) 10Ni5Cr4
Match Breakdown
CHEMISTRY MATCH
57.5%
MECHANICAL MATCH
No shared data
OVERALL
57.5%
Specifications
Property BS 970 (Part 3) 805M20 IS 4367 10Cr9Mo10
Standard BS 970 (Part 3):1991 IS 4367:1991
Category Alloy Steel Alloy Steel
C (%) 0.17-0.23 <=0.15
Si (%) 0.10-0.40 <=0.50
Mn (%) 0.60-0.95 0.40-0.70
Cr (%) 0.35-0.65 2.00-2.50
Mo (%) 0.15-0.25 0.90-1.10
Ni (%) 0.35-0.75 <=0.30
P (%) <=0.04 <=0.035
S (%) <=0.05 <=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 BS 970 (Part 3) 805M20 IS 4367 10Cr9Mo10
Tensile Strength Not specified 410-590 MPa
Yield Strength Not specified 245 MPa min
Elongation Not specified >=18%
Izod Impact Not specified 55 J min
Hardness (soft annealed) Not specified <=187 HB
Condition Not specified Normalised and tempered, ruling section up to 50 mm
Typical Applications
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)
IS 4367 10Cr9Mo10
Not documented
Can BS 970 (Part 3) 805M20 Be Substituted With IS 4367 10Cr9Mo10?
BS 970 (Part 3) 805M20 and IS 4367 10Cr9Mo10 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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BS 970 (Part 3) 805M20
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IS 4367 10Cr9Mo10
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Frequently Asked Questions
What is the difference between BS 970 (Part 3) 805M20 and IS 4367 10Cr9Mo10?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 (Part 3) 805M20 be substituted with IS 4367 10Cr9Mo10?
BS 970 (Part 3) 805M20 and IS 4367 10Cr9Mo10 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.