Post Stock Login Register

IS 1570 C45 vs SAE J403 1042

Strong Match — 90.4% match based on chemical composition and mechanical property overlap.

IS 1570 C45 (IS 1570:1961) and SAE J403 1042 (SAE J403:2001) are both steel grades. Both fall under the Carbon Steel category. IS 1570 C45 is typically used for shafts, gears, studs, bolts, axles, rollers, machinery parts, while SAE J403 1042 is commonly used for chemistry-only grade; product scope as listed in the composition notes. IS 1570 C45 is defined under Bureau of Indian Standards (IS), originating from India, while SAE J403 1042 is defined under SAE International, originating from United States.

As per chemical composition, IS 1570 C45 vs SAE J403 1042 is a 90.4% 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 90.4%.

Frequently Compared With IS 1570 C45:
BS 970 (Part 1) 040A10 BS 970 (Part 3) 070M55 BS 970 (Part 1) 045A10 BS 970 (Part 1) 040A04 BS 970 (Part 1) 045M10 BS 970 (Part 1) 040A12 BS 970 (Part 1) 060A32 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10
Match Breakdown
CHEMISTRY MATCH
90.4%
MECHANICAL MATCH
No shared data
OVERALL
90.4%
Specifications
Property IS 1570 C45 SAE J403 1042
Standard IS 1570:1961 SAE J403:2001
Category Carbon Steel Carbon Steel
C (%) 0.40-0.50 0.40-0.47
Mn (%) 0.60-0.90 0.60-0.90
Si (%) 0.15-0.35 Not specified
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 1570 C45 SAE J403 1042
Tensile Strength 630-710 MPa Not specified
Yield Strength >=347 MPa Not specified
Elongation >=15% Not specified
Hardness 170-229 HB Not specified
Typical Applications
IS 1570 C45
shafts, gears, studs, bolts, axles, rollers, machinery parts
SAE J403 1042
Chemistry-only grade; product scope as listed in the composition notes
Key Differences
Can IS 1570 C45 Be Substituted With SAE J403 1042?
IS 1570 C45 and SAE J403 1042 overlap closely enough on chemistry and mechanical properties that SAE J403 1042 is often considered as a substitute for IS 1570 C45 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
IS 1570 C45
Round Bar → (24 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 4500–6900 mm (177.17–271.65 in)
SAE J403 1042
No active listings currently.
On M-EX Right Now
IS 1570 C45
24 active listings and RFQs →
SAE J403 1042
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 1570 C45 and SAE J403 1042?
IS 1570 C45 specifies Si which is not specified for SAE J403 1042.
Can IS 1570 C45 be substituted with SAE J403 1042?
IS 1570 C45 and SAE J403 1042 overlap closely enough on chemistry and mechanical properties that SAE J403 1042 is often considered as a substitute for IS 1570 C45 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.