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IS 11169 (Part 1) 17C8GC (case hardening) vs BS 970 (Part 1) 045A10

Minimal Match — 50.5% match based on chemical composition and mechanical property overlap.

IS 11169 (Part 1) 17C8GC (case hardening) (IS 11169 (Part 1):2022) and BS 970 (Part 1) 045A10 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Carbon Steel category. IS 11169 (Part 1) 17C8GC (case hardening) is typically used for cold heading and cold extrusion of parts that are case hardened; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, annex b), while BS 970 (Part 1) 045A10 is commonly used for case hardening steel (section four). IS 11169 (Part 1) 17C8GC (case hardening) is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 1) 045A10 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 11169 (Part 1) 17C8GC (case hardening) vs BS 970 (Part 1) 045A10 is a 75.8% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 50.5%.

Frequently Compared With IS 11169 (Part 1) 17C8GC (case hardening):
BS 970 (Part 1) 040A10 BS 970 (Part 3) 070M55 BS 970 (Part 1) 080A20 BS 970 (Part 1) 045A10 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) 045M10
Match Breakdown
CHEMISTRY MATCH
75.8%
MECHANICAL MATCH
0%
OVERALL
50.5%
Specifications
Property IS 11169 (Part 1) 17C8GC (case hardening) BS 970 (Part 1) 045A10
Standard IS 11169 (Part 1):2022 BS 970 (Part 1):1991
Category Carbon Steel Carbon Steel
C (%) 0.15-0.19 0.08-0.13
Cu (%) <=0.25 Not specified
Mn (%) 0.60-0.90 0.30-0.60
P (%) <=0.025 Not specified
S (%) <=0.025 Not specified
Si (%) <=0.30 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) 17C8GC (case hardening) BS 970 (Part 1) 045A10
Tensile Strength, as rolled (+AR) <=530 MPa (over 5 to 100 mm) Not specified
Condition Not specified Case hardened, 19 mm test bar
Tensile Strength Not specified 430 MPa min
Elongation Not specified 18 % min
Typical Applications
IS 11169 (Part 1) 17C8GC (case hardening)
Cold heading and cold extrusion of parts that are case hardened; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, Annex B)
BS 970 (Part 1) 045A10
Case hardening steel (section four)
Key Differences
Can IS 11169 (Part 1) 17C8GC (case hardening) Be Substituted With BS 970 (Part 1) 045A10?
IS 11169 (Part 1) 17C8GC (case hardening) and BS 970 (Part 1) 045A10 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.
On M-EX Right Now
IS 11169 (Part 1) 17C8GC (case hardening)
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BS 970 (Part 1) 045A10
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Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 17C8GC (case hardening) and BS 970 (Part 1) 045A10?
IS 11169 (Part 1) 17C8GC (case hardening) specifies Cu, P, S, Si which are not specified for BS 970 (Part 1) 045A10.
Can IS 11169 (Part 1) 17C8GC (case hardening) be substituted with BS 970 (Part 1) 045A10?
IS 11169 (Part 1) 17C8GC (case hardening) and BS 970 (Part 1) 045A10 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.