JIS G4804 SUM23L vs IS 1570 (Part 3) 10C8S10

Minimal Match — 35% match based on chemical composition and mechanical property overlap.

JIS G4804 SUM23L (JIS G 4804:2021) and IS 1570 (Part 3) 10C8S10 (IS 1570 (Part 3):1979) are both steel grades. Both fall under the Free Machining Steel category. JIS G4804 SUM23L is defined under Japanese Industrial Standards (JIS), originating from Japan, while IS 1570 (Part 3) 10C8S10 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, JIS G4804 SUM23L vs IS 1570 (Part 3) 10C8S10 is a 71% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With JIS G4804 SUM23L:
IS 4432 10C8S10 SAE J403 1117 SAE J403 1118 SAE J403 1126 SAE J403 1126 SAE J403 1132 SAE J403 1117 SAE J403 1117 SAE J403 1118 SAE J403 1118 SAE J403 1126 SAE J403 1132
Match Breakdown
CHEMISTRY MATCH
71%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property JIS G4804 SUM23L IS 1570 (Part 3) 10C8S10
Standard JIS G 4804:2021 IS 1570 (Part 3):1979
Category Free Machining Steel Free Machining Steel
C (%) ≤0.09 <=0.15
Mn (%) 0.75–1.05 0.60-0.90
P (%) 0.04–0.09 <=0.060
S (%) 0.26–0.35 0.08-0.13
Pb (%) 0.10–0.35 Not specified
Si (%) Not specified 0.05-0.30
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property JIS G4804 SUM23L IS 1570 (Part 3) 10C8S10
Tensile Strength 380–490 MPa 370-490 MPa
Elongation Not specified >=24%
Condition Not specified Hot rolled or normalized bars, billets and forgings (Table 2), ruling sections up to 150 mm
Typical Applications
JIS G4804 SUM23L
Small precision turned parts
IS 1570 (Part 3) 10C8S10
Not documented
Key Differences
Can JIS G4804 SUM23L Be Substituted With IS 1570 (Part 3) 10C8S10?
JIS G4804 SUM23L and IS 1570 (Part 3) 10C8S10 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
JIS G4804 SUM23L
Hex Bar → (2 listings)
Across Flats: 25–25 mm (0.98–0.98 in)
Length: 2900–3200 mm (114.17–125.98 in)
IS 1570 (Part 3) 10C8S10
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On M-EX Right Now
JIS G4804 SUM23L
2 active listings and RFQs →
IS 1570 (Part 3) 10C8S10
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Frequently Asked Questions
What is the difference between JIS G4804 SUM23L and IS 1570 (Part 3) 10C8S10?
JIS G4804 SUM23L specifies Pb which is not specified for IS 1570 (Part 3) 10C8S10. IS 1570 (Part 3) 10C8S10 specifies Si which is not specified for JIS G4804 SUM23L.
Can JIS G4804 SUM23L be substituted with IS 1570 (Part 3) 10C8S10?
JIS G4804 SUM23L and IS 1570 (Part 3) 10C8S10 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.