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SAE J403 1566 vs IS 1570 (Part 2/Sec 1) 65C6

Strong Match — 93.5% match based on chemical composition and mechanical property overlap.

SAE J403 1566 (SAE J403:2014) and IS 1570 (Part 2/Sec 1) 65C6 (IS 1570 (Part 2/Sec 1):1979) are both steel grades. Both fall under the Carbon Steel category. SAE J403 1566 is typically used for chemistry-only grade; product scope as listed in the composition notes, while IS 1570 (Part 2/Sec 1) 65C6 is commonly used for billets and bars for forgings, carbon steel forgings, cold rolled strip for springs and spring washers (the standard links this grade to is 1875, is 2004, is 2507, is 4072). SAE J403 1566 is defined under SAE International, originating from United States, while IS 1570 (Part 2/Sec 1) 65C6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, SAE J403 1566 vs IS 1570 (Part 2/Sec 1) 65C6 is a 93.5% 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 93.5%.

Frequently Compared With SAE J403 1566:
BS 970 (Part 1) 040A10 BS 970 (Part 3) 070M55 BS 970 (Part 1) 070A67 BS 970 (Part 1) 045M10 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 040A04 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10
Match Breakdown
CHEMISTRY MATCH
93.5%
MECHANICAL MATCH
No shared data
OVERALL
93.5%
Specifications
Property SAE J403 1566 IS 1570 (Part 2/Sec 1) 65C6
Standard SAE J403:2014 IS 1570 (Part 2/Sec 1):1979
Category Carbon Steel Carbon Steel
C (%) 0.60-0.71 0.60-0.70
Mn (%) 0.85-1.15 0.50-0.80
P (%) <=0.030 (flat rolled), <=0.040 (long products) Not specified
S (%) <=0.035 (flat rolled), <=0.050 (long products) 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 SAE J403 1566 IS 1570 (Part 2/Sec 1) 65C6
Tensile Strength Not specified >=750 MPa
Elongation Not specified >=10%
Typical Applications
SAE J403 1566
Chemistry-only grade; product scope as listed in the composition notes
IS 1570 (Part 2/Sec 1) 65C6
Billets and bars for forgings, carbon steel forgings, cold rolled strip for springs and spring washers (the standard links this grade to IS 1875, IS 2004, IS 2507, IS 4072)
Key Differences
Can SAE J403 1566 Be Substituted With IS 1570 (Part 2/Sec 1) 65C6?
SAE J403 1566 and IS 1570 (Part 2/Sec 1) 65C6 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 2/Sec 1) 65C6 is often considered as a substitute for SAE J403 1566 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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SAE J403 1566
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IS 1570 (Part 2/Sec 1) 65C6
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Frequently Asked Questions
What is the difference between SAE J403 1566 and IS 1570 (Part 2/Sec 1) 65C6?
SAE J403 1566 specifies P, S which are not specified for IS 1570 (Part 2/Sec 1) 65C6.
Can SAE J403 1566 be substituted with IS 1570 (Part 2/Sec 1) 65C6?
SAE J403 1566 and IS 1570 (Part 2/Sec 1) 65C6 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 2/Sec 1) 65C6 is often considered as a substitute for SAE J403 1566 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.