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IS 1875 Class 3 vs SAE J403 1029

Strong Match — 89.7% match based on chemical composition and mechanical property overlap.

IS 1875 Class 3 (IS 1875:1992) and SAE J403 1029 (SAE J403:2014) are both steel grades. Both fall under the Carbon Steel category. IS 1875 Class 3 is typically used for billets, blooms, slabs and bars for general engineering forgings, while SAE J403 1029 is commonly used for chemistry-only grade; product scope as listed in the composition notes. IS 1875 Class 3 is defined under Bureau of Indian Standards (IS), originating from India, while SAE J403 1029 is defined under SAE International, originating from United States.

As per chemical composition, IS 1875 Class 3 vs SAE J403 1029 is a 89.7% 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 89.7%.

Frequently Compared With IS 1875 Class 3:
BS 970 (Part 1) 040A10 BS 970 (Part 3) 070M55 BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A32
Match Breakdown
CHEMISTRY MATCH
89.7%
MECHANICAL MATCH
No shared data
OVERALL
89.7%
Specifications
Property IS 1875 Class 3 SAE J403 1029
Standard IS 1875:1992 SAE J403:2014
Category Carbon Steel Carbon Steel
C (%) 0.25-0.35 0.25-0.31
Si (%) 0.15-0.35 Not specified
Mn (%) 0.60-0.90 0.60-0.90
S (%) <=0.04 <=0.035 (flat rolled), <=0.050 (long products)
P (%) <=0.04 <=0.030 (flat rolled), <=0.040 (long products)
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 3 SAE J403 1029
Tensile Strength 490 MPa min Not specified
Yield Strength 270 MPa min Not specified
Elongation >=21% Not specified
Hardness 140 HB min Not specified
Condition as rolled or as forged and normalised, ruling section up to 100 mm Not specified
Normalising Temperature 860-890 °C (for information) Not specified
Bend Test (if ordered) 32 mm square test piece bent round a 44 mm former without fracture Not specified
Typical Applications
IS 1875 Class 3
Billets, blooms, slabs and bars for general engineering forgings
SAE J403 1029
Chemistry-only grade; product scope as listed in the composition notes
Key Differences
Can IS 1875 Class 3 Be Substituted With SAE J403 1029?
IS 1875 Class 3 and SAE J403 1029 overlap closely enough on chemistry and mechanical properties that SAE J403 1029 is often considered as a substitute for IS 1875 Class 3 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 3
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SAE J403 1029
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Frequently Asked Questions
What is the difference between IS 1875 Class 3 and SAE J403 1029?
IS 1875 Class 3 specifies Si which is not specified for SAE J403 1029.
Can IS 1875 Class 3 be substituted with SAE J403 1029?
IS 1875 Class 3 and SAE J403 1029 overlap closely enough on chemistry and mechanical properties that SAE J403 1029 is often considered as a substitute for IS 1875 Class 3 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.