IS 1570 (Part 4) 26C10BT vs JIS G4051 S25C

Close Alternative — 83% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 4) 26C10BT (IS 1570 (Part 4):1988) and JIS G4051 S25C (JIS G4051:2009) are both steel grades. Both fall under the Carbon Steel category. IS 1570 (Part 4) 26C10BT is defined under Bureau of Indian Standards (IS), originating from India, while JIS G4051 S25C is defined under Japanese Industrial Standards (JIS), originating from Japan.

As per chemical composition, IS 1570 (Part 4) 26C10BT vs JIS G4051 S25C is a 83% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 83%.

Frequently Compared With IS 1570 (Part 4) 26C10BT:
BS 970 (Part 3) 070M55 BS 970 (Part 1) 040A10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 060A32 BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 3) 045A10
Match Breakdown
CHEMISTRY MATCH
83%
MECHANICAL MATCH
No shared data
OVERALL
83%
Specifications
Property IS 1570 (Part 4) 26C10BT JIS G4051 S25C
Standard IS 1570 (Part 4):1988 JIS G4051:2009
Category Carbon Steel Carbon Steel
C (%) 0.23-0.29 0.22-0.28
Si (%) 0.15-0.30 0.15-0.35
Mn (%) 0.90-1.2 0.30-0.60
B (%) 0.0005-0.003 Not specified
S (%) Not specified <=0.035
P (%) Not specified <=0.030
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 1570 (Part 4) 26C10BT JIS G4051 S25C
Tensile Strength Not specified >=460 MPa
Elongation Not specified >=20%
Typical Applications
IS 1570 (Part 4) 26C10BT
Not documented
JIS G4051 S25C
Shafts, pins, lightly stressed parts
Key Differences
Can IS 1570 (Part 4) 26C10BT Be Substituted With JIS G4051 S25C?
IS 1570 (Part 4) 26C10BT and JIS G4051 S25C 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 1570 (Part 4) 26C10BT
No active listings currently.
JIS G4051 S25C
Round Bar → (2 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 5800–5800 mm (228.35–228.35 in)
On M-EX Right Now
IS 1570 (Part 4) 26C10BT
0 active listings and RFQs →
JIS G4051 S25C
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 1570 (Part 4) 26C10BT and JIS G4051 S25C?
IS 1570 (Part 4) 26C10BT specifies B which is not specified for JIS G4051 S25C. JIS G4051 S25C specifies S, P which are not specified for IS 1570 (Part 4) 26C10BT.
Can IS 1570 (Part 4) 26C10BT be substituted with JIS G4051 S25C?
IS 1570 (Part 4) 26C10BT and JIS G4051 S25C 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.