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JIS G4804 SUM24L vs JIS G4804 SUM23L

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

JIS G4804 SUM24L (JIS G 4804:2021) and JIS G4804 SUM23L (JIS G 4804:2021) are both steel grades. Both fall under the Free Machining Steel category. JIS G4804 SUM24L is typically used for precision components, automatic lathe work, while JIS G4804 SUM23L is commonly used for small precision turned parts. JIS G4804 SUM24L is defined under Japanese Industrial Standards (JIS), originating from Japan, while JIS G4804 SUM23L is defined under Japanese Industrial Standards (JIS), originating from Japan.

As per chemical composition, JIS G4804 SUM24L vs JIS G4804 SUM23L is a 97.6% match. As per mechanical properties, the match is 0%. Combined, this makes them a related material overall at 65%.

Frequently Compared With JIS G4804 SUM24L:
SAE J403 1141 SAE J403 1117 SAE J403 1118 SAE J403 1118 IS 4432 10C8S10 SAE J403 1126 SAE J403 1132 IS 1570 (Part 3) 10C8S10 SAE J403 1117 SAE J403 1126 SAE J403 1117 SAE J403 1118
Match Breakdown
CHEMISTRY MATCH
97.6%
MECHANICAL MATCH
0%
OVERALL
65%
Specifications
Property JIS G4804 SUM24L JIS G4804 SUM23L
Standard JIS G 4804:2021 JIS G 4804:2021
Category Free Machining Steel Free Machining Steel
C (%) ≤0.15 ≤0.09
Mn (%) 0.85–1.15 0.75–1.05
S (%) 0.26–0.35 0.26–0.35
P (%) 0.04–0.09 0.04–0.09
Pb (%) 0.10–0.35 0.10–0.35
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property JIS G4804 SUM24L JIS G4804 SUM23L
Tensile Strength 390–510 MPa 380–490 MPa
Hardness ≤163 HB Not specified
Typical Applications
JIS G4804 SUM24L
Precision components, automatic lathe work
JIS G4804 SUM23L
Small precision turned parts
Can JIS G4804 SUM24L Be Substituted With JIS G4804 SUM23L?
JIS G4804 SUM24L and JIS G4804 SUM23L 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 SUM24L
Hex Bar → (2 listings)
Across Flats: 25–25 mm (0.98–0.98 in)
Length: 2500–3500 mm (98.43–137.8 in)
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)
On M-EX Right Now
JIS G4804 SUM24L
2 active listings and RFQs →
JIS G4804 SUM23L
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between JIS G4804 SUM24L and JIS G4804 SUM23L?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can JIS G4804 SUM24L be substituted with JIS G4804 SUM23L?
JIS G4804 SUM24L and JIS G4804 SUM23L 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.