IS 11169 (Part 1) 20C4GC vs JIS G4051 S35C

Close Alternative — 84.9% match based on chemical composition and mechanical property overlap.

IS 11169 (Part 1) 20C4GC (IS 11169 (Part 1):2022) and JIS G4051 S35C (JIS G4051:2009) are both steel grades. Both fall under the Carbon Steel category. IS 11169 (Part 1) 20C4GC 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 JIS G4051 S35C is commonly used for crankshafts, axles, gears, bolts. IS 11169 (Part 1) 20C4GC is defined under Bureau of Indian Standards (IS), originating from India, while JIS G4051 S35C is defined under Japanese Industrial Standards (JIS), originating from Japan.

As per chemical composition, IS 11169 (Part 1) 20C4GC vs JIS G4051 S35C is a 78.9% match. As per mechanical properties, the match is 100%. Combined, this makes them a close alternative overall at 84.9%.

Frequently Compared With IS 11169 (Part 1) 20C4GC:
BS 970 (Part 1) 040A10 BS 970 (Part 3) 070M55 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 060A32 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 055M15
Match Breakdown
CHEMISTRY MATCH
78.9%
MECHANICAL MATCH
100%
OVERALL
84.9%
Specifications
Property IS 11169 (Part 1) 20C4GC JIS G4051 S35C
Standard IS 11169 (Part 1):2022 JIS G4051:2009
Category Carbon Steel Carbon Steel
C (%) 0.18-0.22 0.32-0.38
Cu (%) <=0.25 Not specified
Mn (%) 0.30-0.60 0.60-0.90
P (%) <=0.025 <=0.030
S (%) <=0.025 <=0.035
Si (%) <=0.30 0.15-0.35
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) 20C4GC JIS G4051 S35C
Tensile Strength, as rolled (+AR) <=530 MPa (over 5 to 100 mm) Not specified
Tensile Strength Not specified >=530 MPa
Elongation Not specified >=19%
Hardness Not specified <=167 HB
Typical Applications
IS 11169 (Part 1) 20C4GC
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)
JIS G4051 S35C
Crankshafts, axles, gears, bolts
Key Differences
Can IS 11169 (Part 1) 20C4GC Be Substituted With JIS G4051 S35C?
IS 11169 (Part 1) 20C4GC and JIS G4051 S35C are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
Forms & Sizes Available on M-EX
IS 11169 (Part 1) 20C4GC
No active listings currently.
JIS G4051 S35C
Round Bar → (3 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 5600–6300 mm (220.47–248.03 in)
On M-EX Right Now
IS 11169 (Part 1) 20C4GC
0 active listings and RFQs →
JIS G4051 S35C
3 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 20C4GC and JIS G4051 S35C?
IS 11169 (Part 1) 20C4GC specifies Cu which is not specified for JIS G4051 S35C.
Can IS 11169 (Part 1) 20C4GC be substituted with JIS G4051 S35C?
IS 11169 (Part 1) 20C4GC and JIS G4051 S35C are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.