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IS 11169 (Part 1) 10C4 vs BS 970 (Part 1) 655M13

Related Material — 65% match based on chemical composition and mechanical property overlap.

IS 11169 (Part 1) 10C4 (IS 11169 (Part 1):2022) and BS 970 (Part 1) 655M13 (BS 970 (Part 1):1991) are both steel grades. IS 11169 (Part 1) 10C4 is classified under Carbon Steel, while BS 970 (Part 1) 655M13 is classified under Alloy Steel — a different category, which is worth noting alongside the chemistry match below. IS 11169 (Part 1) 10C4 is typically used for cold heading and cold extrusion of parts not heat treated after cold forming; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, annex a), while BS 970 (Part 1) 655M13 is commonly used for case hardened gears, heavily loaded shafts. IS 11169 (Part 1) 10C4 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 1) 655M13 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 11169 (Part 1) 10C4 vs BS 970 (Part 1) 655M13 is a 72.4% 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 65%.

Frequently Compared With IS 11169 (Part 1) 10C4:
BS 970 (Part 1) 040A10 BS 970 (Part 3) 070M55 BS 970 (Part 1) 040A12 BS 970 (Part 1) 055M15 BS 970 (Part 1) 040A04 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 060A32 BS 970 (Part 3) 045A10
Match Breakdown
CHEMISTRY MATCH
72.4%
MECHANICAL MATCH
No shared data
OVERALL
65%
Specifications
Property IS 11169 (Part 1) 10C4 BS 970 (Part 1) 655M13
Standard IS 11169 (Part 1):2022 BS 970 (Part 1):1991
Category Carbon Steel Alloy Steel
C (%) <=0.15 0.10-0.16
Cr (%) <=0.15 0.70-1.00
Cu (%) <=0.15 Not specified
Mn (%) 0.30-0.60 0.35-0.60
Mo (%) <=0.05 Not specified
Ni (%) <=0.15 3.00-3.75
P (%) <=0.035 Not specified
S (%) <=0.035 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) 10C4 BS 970 (Part 1) 655M13
Hardness, annealed (+AC) <=130 HBW Not specified
Condition Not specified Case hardened, 19 mm test bar
Tensile Strength Not specified 1000 MPa min
Elongation Not specified 9 % min
Typical Applications
IS 11169 (Part 1) 10C4
Cold heading and cold extrusion of parts not heat treated after cold forming; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, Annex A)
BS 970 (Part 1) 655M13
Case hardened gears, heavily loaded shafts
Key Differences
Can IS 11169 (Part 1) 10C4 Be Substituted With BS 970 (Part 1) 655M13?
IS 11169 (Part 1) 10C4 and BS 970 (Part 1) 655M13 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) 10C4
No active listings currently.
BS 970 (Part 1) 655M13
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 4200–6300 mm (165.35–248.03 in)
On M-EX Right Now
IS 11169 (Part 1) 10C4
0 active listings and RFQs →
BS 970 (Part 1) 655M13
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 10C4 and BS 970 (Part 1) 655M13?
Different category: IS 11169 (Part 1) 10C4 is Carbon Steel, BS 970 (Part 1) 655M13 is Alloy Steel. IS 11169 (Part 1) 10C4 specifies Cu, Mo, P, S which are not specified for BS 970 (Part 1) 655M13.
Can IS 11169 (Part 1) 10C4 be substituted with BS 970 (Part 1) 655M13?
IS 11169 (Part 1) 10C4 and BS 970 (Part 1) 655M13 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.