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IS 11169 (Part 1) 20C8 vs SAE J403 1018

Strong Match — 94.6% match based on chemical composition and mechanical property overlap.

IS 11169 (Part 1) 20C8 (IS 11169 (Part 1):1984) and SAE J403 1018 (SAE J403:2009) are both steel grades. Both fall under the Carbon Steel category. IS 11169 (Part 1) 20C8 is typically used for cold heading and cold extrusion; the standard covers wires, wire rods and bars of 2 to 100 mm diameter (clause 1.1), while SAE J403 1018 is commonly used for chemistry-only grade; product scope as listed in the composition notes. IS 11169 (Part 1) 20C8 is defined under Bureau of Indian Standards (IS), originating from India, while SAE J403 1018 is defined under SAE International, originating from United States.

As per chemical composition, IS 11169 (Part 1) 20C8 vs SAE J403 1018 is a 94.6% 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 94.6%.

Frequently Compared With IS 11169 (Part 1) 20C8:
BS 970 (Part 1) 070M20 BS 970 (Part 1) 040A10 BS 970 (Part 3) 070M55 BS 970 (Part 3) 070M20 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 040A04 BS 970 (Part 3) 045A10
Match Breakdown
CHEMISTRY MATCH
94.6%
MECHANICAL MATCH
No shared data
OVERALL
94.6%
Specifications
Property IS 11169 (Part 1) 20C8 SAE J403 1018
Standard IS 11169 (Part 1):1984 SAE J403:2009
Category Carbon Steel Carbon Steel
C (%) 0.15-0.25 0.15-0.20
Mn (%) 0.60-0.90 0.60-0.90
P (%) Not specified <=0.030
S (%) Not specified <=0.050
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 11169 (Part 1) 20C8 SAE J403 1018
Tensile Strength (hardened and tempered) 540-690 MPa (16 mm) / 490-640 MPa (40 mm) Not specified
0.2% Proof Stress >=370 MPa (16 mm) / >=295 MPa (40 mm) Not specified
Elongation >=20% (16 mm) / >=22% (40 mm) Not specified
Hardness, annealed <=150 HB Not specified
Typical Applications
IS 11169 (Part 1) 20C8
Cold heading and cold extrusion; the standard covers wires, wire rods and bars of 2 to 100 mm diameter (clause 1.1)
SAE J403 1018
Chemistry-only grade; product scope as listed in the composition notes
Key Differences
Can IS 11169 (Part 1) 20C8 Be Substituted With SAE J403 1018?
IS 11169 (Part 1) 20C8 and SAE J403 1018 overlap closely enough on chemistry and mechanical properties that SAE J403 1018 is often considered as a substitute for IS 11169 (Part 1) 20C8 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 11169 (Part 1) 20C8
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SAE J403 1018
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Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 20C8 and SAE J403 1018?
SAE J403 1018 specifies P, S which are not specified for IS 11169 (Part 1) 20C8.
Can IS 11169 (Part 1) 20C8 be substituted with SAE J403 1018?
IS 11169 (Part 1) 20C8 and SAE J403 1018 overlap closely enough on chemistry and mechanical properties that SAE J403 1018 is often considered as a substitute for IS 11169 (Part 1) 20C8 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.