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JIS G4804 SUM24L vs EN 10087 9SMnPb28

Related Material — 59.5% match based on chemical composition and mechanical property overlap.

JIS G4804 SUM24L (JIS G 4804:2021) and EN 10087 9SMnPb28 (EN 10087:1998) 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 EN 10087 9SMnPb28 is commonly used for complex precision turned parts. JIS G4804 SUM24L is defined under Japanese Industrial Standards (JIS), originating from Japan, while EN 10087 9SMnPb28 is defined under European Standard (EN), originating from Europe.

As per chemical composition, JIS G4804 SUM24L vs EN 10087 9SMnPb28 is a 89.2% match. As per mechanical properties, the match is 0%. Combined, this makes them a related material overall at 59.5%.

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
89.2%
MECHANICAL MATCH
0%
OVERALL
59.5%
Specifications
Property JIS G4804 SUM24L EN 10087 9SMnPb28
Standard JIS G 4804:2021 EN 10087:1998
Category Free Machining Steel Free Machining Steel
C (%) ≤0.15 ≤0.14
Mn (%) 0.85–1.15 0.90–1.30
S (%) 0.26–0.35 0.24–0.32
P (%) 0.04–0.09 Not specified
Pb (%) 0.10–0.35 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 JIS G4804 SUM24L EN 10087 9SMnPb28
Tensile Strength 390–510 MPa 380–570 MPa
Hardness ≤163 HB Not specified
Elongation Not specified ≥5%
Typical Applications
JIS G4804 SUM24L
Precision components, automatic lathe work
EN 10087 9SMnPb28
Complex precision turned parts
Key Differences
Can JIS G4804 SUM24L Be Substituted With EN 10087 9SMnPb28?
JIS G4804 SUM24L and EN 10087 9SMnPb28 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)
EN 10087 9SMnPb28
Hex Bar → (2 listings)
Across Flats: 25–25 mm (0.98–0.98 in)
Length: 2800–3200 mm (110.24–125.98 in)
On M-EX Right Now
JIS G4804 SUM24L
2 active listings and RFQs →
EN 10087 9SMnPb28
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between JIS G4804 SUM24L and EN 10087 9SMnPb28?
JIS G4804 SUM24L specifies P which is not specified for EN 10087 9SMnPb28.
Can JIS G4804 SUM24L be substituted with EN 10087 9SMnPb28?
JIS G4804 SUM24L and EN 10087 9SMnPb28 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.