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IS 1875 Class 6 vs BS 970 (Part 3) 045M10

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

IS 1875 Class 6 (IS 1875:1992) and BS 970 (Part 3) 045M10 (BS 970 (Part 3):1991) are both steel grades. Both fall under the Carbon Steel category. IS 1875 Class 6 is typically used for billets, blooms, slabs and bars for general engineering forgings, while BS 970 (Part 3) 045M10 is commonly used for bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; case hardening steel, carbon and carbon manganese (table 14). IS 1875 Class 6 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 3) 045M10 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 1875 Class 6 vs BS 970 (Part 3) 045M10 is a 83.8% 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 69.9%.

Frequently Compared With IS 1875 Class 6:
BS 970 (Part 1) 040A10 BS 970 (Part 3) 070M55 BS 970 (Part 1) 080A20 BS 970 (Part 1) 045M10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A32 BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10
Match Breakdown
CHEMISTRY MATCH
83.8%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property IS 1875 Class 6 BS 970 (Part 3) 045M10
Standard IS 1875:1992 BS 970 (Part 3):1991
Category Carbon Steel Carbon Steel
C (%) 0.60-0.70 0.07-0.13
Si (%) 0.15-0.35 0.10-0.40
Mn (%) 0.50-0.80 0.30-0.60
S (%) <=0.04 <=0.05
P (%) <=0.04 <=0.05
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 1875 Class 6 BS 970 (Part 3) 045M10
Tensile Strength 740 MPa min Not specified
Yield Strength 370 MPa min Not specified
Elongation >=10% Not specified
Hardness 210 HB min Not specified
Condition as rolled or as forged and normalised, ruling section up to 100 mm Not specified
Normalising Temperature 800-830 °C (for information) Not specified
Typical Applications
IS 1875 Class 6
Billets, blooms, slabs and bars for general engineering forgings
BS 970 (Part 3) 045M10
Bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; case hardening steel, carbon and carbon manganese (Table 14)
Can IS 1875 Class 6 Be Substituted With BS 970 (Part 3) 045M10?
IS 1875 Class 6 and BS 970 (Part 3) 045M10 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 1875 Class 6
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BS 970 (Part 3) 045M10
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Frequently Asked Questions
What is the difference between IS 1875 Class 6 and BS 970 (Part 3) 045M10?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 1875 Class 6 be substituted with BS 970 (Part 3) 045M10?
IS 1875 Class 6 and BS 970 (Part 3) 045M10 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.