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IS 1875 Class 6 vs IS 1570 (Part 2/Sec 1) 70C6

Strong Match — 87.4% match based on chemical composition and mechanical property overlap.

IS 1875 Class 6 (IS 1875:1992) and IS 1570 (Part 2/Sec 1) 70C6 (IS 1570 (Part 2/Sec 1):1979) 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 IS 1570 (Part 2/Sec 1) 70C6 is commonly used for cold rolled strip for springs, spring washers and cold rolled medium and high carbon strip (the standard links this grade to is 2507, is 4072, is 7226). IS 1875 Class 6 is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 2/Sec 1) 70C6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 1875 Class 6 vs IS 1570 (Part 2/Sec 1) 70C6 is a 87.4% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 87.4%.

Frequently Compared With IS 1875 Class 6:
BS 970 (Part 1) 040A10 BS 970 (Part 3) 070M55 BS 970 (Part 1) 045M10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A32 BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A12 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045M10
Match Breakdown
CHEMISTRY MATCH
87.4%
MECHANICAL MATCH
No shared data
OVERALL
87.4%
Specifications
Property IS 1875 Class 6 IS 1570 (Part 2/Sec 1) 70C6
Standard IS 1875:1992 IS 1570 (Part 2/Sec 1):1979
Category Carbon Steel Carbon Steel
C (%) 0.60-0.70 0.65-0.75
Si (%) 0.15-0.35 Not specified
Mn (%) 0.50-0.80 0.50-0.80
S (%) <=0.04 Not specified
P (%) <=0.04 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 IS 1875 Class 6 IS 1570 (Part 2/Sec 1) 70C6
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
IS 1570 (Part 2/Sec 1) 70C6
Cold rolled strip for springs, spring washers and cold rolled medium and high carbon strip (the standard links this grade to IS 2507, IS 4072, IS 7226)
Key Differences
Can IS 1875 Class 6 Be Substituted With IS 1570 (Part 2/Sec 1) 70C6?
IS 1875 Class 6 and IS 1570 (Part 2/Sec 1) 70C6 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 2/Sec 1) 70C6 is often considered as a substitute for IS 1875 Class 6 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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IS 1875 Class 6
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IS 1570 (Part 2/Sec 1) 70C6
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Frequently Asked Questions
What is the difference between IS 1875 Class 6 and IS 1570 (Part 2/Sec 1) 70C6?
IS 1875 Class 6 specifies Si, S, P which are not specified for IS 1570 (Part 2/Sec 1) 70C6.
Can IS 1875 Class 6 be substituted with IS 1570 (Part 2/Sec 1) 70C6?
IS 1875 Class 6 and IS 1570 (Part 2/Sec 1) 70C6 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 2/Sec 1) 70C6 is often considered as a substitute for IS 1875 Class 6 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.