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IS 11169 (Part 1) 35C8 vs BS 970 (Part 1) 045M10

Minimal Match — 53.3% match based on chemical composition and mechanical property overlap.

IS 11169 (Part 1) 35C8 (IS 11169 (Part 1):1984) and BS 970 (Part 1) 045M10 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Carbon Steel category. IS 11169 (Part 1) 35C8 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 BS 970 (Part 1) 045M10 is commonly used for case hardening steel (section four). IS 11169 (Part 1) 35C8 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 1) 045M10 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 11169 (Part 1) 35C8 vs BS 970 (Part 1) 045M10 is a 80% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 53.3%.

Frequently Compared With IS 11169 (Part 1) 35C8:
BS 970 (Part 1) 040A10 BS 970 (Part 1) 045A10 BS 970 (Part 3) 070M55 BS 970 (Part 1) 080A20 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045M10 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 1) 045A10
Match Breakdown
CHEMISTRY MATCH
80%
MECHANICAL MATCH
0%
OVERALL
53.3%
Specifications
Property IS 11169 (Part 1) 35C8 BS 970 (Part 1) 045M10
Standard IS 11169 (Part 1):1984 BS 970 (Part 1):1991
Category Carbon Steel Carbon Steel
C (%) 0.30-0.40 0.07-0.13
Mn (%) 0.60-0.90 0.30-0.60
Si (%) 0.10-0.35 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 IS 11169 (Part 1) 35C8 BS 970 (Part 1) 045M10
Tensile Strength (hardened and tempered) 620-770 MPa (16 mm) / 580-730 MPa (40 mm) / 540-690 MPa (100 mm) Not specified
0.2% Proof Stress >=420 MPa (16 mm) / >=365 MPa (40 mm) / >=325 MPa (100 mm) Not specified
Elongation >=17% (16 mm) / >=19% (40 mm) / >=20% (100 mm) 18 % min
Hardness, annealed <=160 HB Not specified
Condition Not specified Case hardened, 19 mm test bar
Tensile Strength Not specified 430 MPa min
Typical Applications
IS 11169 (Part 1) 35C8
Cold heading and cold extrusion; the standard covers wires, wire rods and bars of 2 to 100 mm diameter (clause 1.1)
BS 970 (Part 1) 045M10
Case hardening steel (section four)
Key Differences
Can IS 11169 (Part 1) 35C8 Be Substituted With BS 970 (Part 1) 045M10?
IS 11169 (Part 1) 35C8 and BS 970 (Part 1) 045M10 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
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IS 11169 (Part 1) 35C8
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BS 970 (Part 1) 045M10
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Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 35C8 and BS 970 (Part 1) 045M10?
IS 11169 (Part 1) 35C8 specifies Si which is not specified for BS 970 (Part 1) 045M10.
Can IS 11169 (Part 1) 35C8 be substituted with BS 970 (Part 1) 045M10?
IS 11169 (Part 1) 35C8 and BS 970 (Part 1) 045M10 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.