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IS 11169 (Part 1) 17C8GC (case hardening) vs BS 970 (Part 3) 070M55

Related Material — 69.9% 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 3) 070M55 (BS 970 (Part 3):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 3) 070M55 is commonly used for used for springs, blades, wear plates, hand tools, shafts, and cutting components.. IS 11169 (Part 1) 17C8GC (case hardening) is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 3) 070M55 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 3) 070M55 is a 82% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 69.9%.

Frequently Compared With IS 11169 (Part 1) 17C8GC (case hardening):
BS 970 (Part 1) 040A10 BS 970 (Part 1) 080A20 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 060A32 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045M10
Match Breakdown
CHEMISTRY MATCH
82%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property IS 11169 (Part 1) 17C8GC (case hardening) BS 970 (Part 3) 070M55
Standard IS 11169 (Part 1):2022 BS 970 (Part 3):1991
Category Carbon Steel Carbon Steel
C (%) 0.15-0.19 0.50-0.60
Cu (%) <=0.25 Not specified
Mn (%) 0.60-0.90 0.50-0.90
P (%) <=0.025 <=0.05
S (%) <=0.025 <=0.05
Si (%) <=0.30 0.10-0.40
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 3) 070M55
Tensile Strength, as rolled (+AR) <=530 MPa (over 5 to 100 mm) Not specified
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 3) 070M55
Used for springs, blades, wear plates, hand tools, shafts, and cutting components.
Key Differences
Can IS 11169 (Part 1) 17C8GC (case hardening) Be Substituted With BS 970 (Part 3) 070M55?
IS 11169 (Part 1) 17C8GC (case hardening) and BS 970 (Part 3) 070M55 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.
Forms & Sizes Available on M-EX
IS 11169 (Part 1) 17C8GC (case hardening)
No active listings currently.
BS 970 (Part 3) 070M55
Round Bar → (2 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 4800–5800 mm (188.98–228.35 in)
On M-EX Right Now
IS 11169 (Part 1) 17C8GC (case hardening)
0 active listings and RFQs →
BS 970 (Part 3) 070M55
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 17C8GC (case hardening) and BS 970 (Part 3) 070M55?
IS 11169 (Part 1) 17C8GC (case hardening) specifies Cu which is not specified for BS 970 (Part 3) 070M55.
Can IS 11169 (Part 1) 17C8GC (case hardening) be substituted with BS 970 (Part 3) 070M55?
IS 11169 (Part 1) 17C8GC (case hardening) and BS 970 (Part 3) 070M55 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.