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IS 1875 Class 6 vs SAE J403 1065

Strong Match — 90.1% match based on chemical composition and mechanical property overlap.

IS 1875 Class 6 (IS 1875:1992) and SAE J403 1065 (SAE J403:2001) 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 SAE J403 1065 is commonly used for chemistry-only grade; product scope as listed in the composition notes. IS 1875 Class 6 is defined under Bureau of Indian Standards (IS), originating from India, while SAE J403 1065 is defined under SAE International, originating from United States.

As per chemical composition, IS 1875 Class 6 vs SAE J403 1065 is a 90.1% 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 90.1%.

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
90.1%
MECHANICAL MATCH
No shared data
OVERALL
90.1%
Specifications
Property IS 1875 Class 6 SAE J403 1065
Standard IS 1875:1992 SAE J403:2001
Category Carbon Steel Carbon Steel
C (%) 0.60-0.70 0.60-0.70
Si (%) 0.15-0.35 Not specified
Mn (%) 0.50-0.80 0.60-0.90
S (%) <=0.04 <=0.050
P (%) <=0.04 <=0.030
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 SAE J403 1065
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
SAE J403 1065
Chemistry-only grade; product scope as listed in the composition notes
Key Differences
Can IS 1875 Class 6 Be Substituted With SAE J403 1065?
IS 1875 Class 6 and SAE J403 1065 overlap closely enough on chemistry and mechanical properties that SAE J403 1065 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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SAE J403 1065
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Frequently Asked Questions
What is the difference between IS 1875 Class 6 and SAE J403 1065?
IS 1875 Class 6 specifies Si which is not specified for SAE J403 1065.
Can IS 1875 Class 6 be substituted with SAE J403 1065?
IS 1875 Class 6 and SAE J403 1065 overlap closely enough on chemistry and mechanical properties that SAE J403 1065 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.