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EN 10087 11SMn30 vs EN 10087 9SMnPb28

Close Alternative — 77.9% match based on chemical composition and mechanical property overlap.

EN 10087 11SMn30 (EN 10087:1998) and EN 10087 9SMnPb28 (EN 10087:1998) are both steel grades. Both fall under the Free Machining Steel category. EN 10087 11SMn30 is typically used for high volume screw machine parts, bolts, studs, while EN 10087 9SMnPb28 is commonly used for complex precision turned parts. EN 10087 11SMn30 is defined under European Standard (EN), originating from Europe, while EN 10087 9SMnPb28 is defined under European Standard (EN), originating from Europe.

As per chemical composition, EN 10087 11SMn30 vs EN 10087 9SMnPb28 is a 91.9% match. As per mechanical properties, the match is 50%. Combined, this makes them a close alternative overall at 77.9%.

Frequently Compared With EN 10087 11SMn30:
SAE J403 1141 IS 4432 10C8S10 SAE J403 1117 SAE J403 1117 IS 1570 (Part 3) 10C8S10 SAE J403 1117 SAE J403 1118 SAE J403 1118 SAE J403 1118 SAE J403 1126 SAE J403 1126 SAE J403 1126
Match Breakdown
CHEMISTRY MATCH
91.9%
MECHANICAL MATCH
50%
OVERALL
77.9%
Specifications
Property EN 10087 11SMn30 EN 10087 9SMnPb28
Standard EN 10087:1998 EN 10087:1998
Category Free Machining Steel Free Machining Steel
C (%) ≤0.14 ≤0.14
Si (%) ≤0.05 Not specified
Mn (%) 0.90–1.30 0.90–1.30
S (%) 0.27–0.33 0.24–0.32
P (%) ≤0.110 Not specified
Pb (%) Not specified 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 EN 10087 11SMn30 EN 10087 9SMnPb28
Tensile Strength 380–570 MPa 380–570 MPa
Elongation ≥7% ≥5%
Hardness ≤180 HB Not specified
Typical Applications
EN 10087 11SMn30
High volume screw machine parts, bolts, studs
EN 10087 9SMnPb28
Complex precision turned parts
Key Differences
Can EN 10087 11SMn30 Be Substituted With EN 10087 9SMnPb28?
EN 10087 11SMn30 and EN 10087 9SMnPb28 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
EN 10087 11SMn30
Hex Bar → (3 listings)
Across Flats: 25–25 mm (0.98–0.98 in)
Length: 2900–3600 mm (114.17–141.73 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
EN 10087 11SMn30
3 active listings and RFQs →
EN 10087 9SMnPb28
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10087 11SMn30 and EN 10087 9SMnPb28?
EN 10087 11SMn30 specifies Si, P which are not specified for EN 10087 9SMnPb28. EN 10087 9SMnPb28 specifies Pb which is not specified for EN 10087 11SMn30.
Can EN 10087 11SMn30 be substituted with EN 10087 9SMnPb28?
EN 10087 11SMn30 and EN 10087 9SMnPb28 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.