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EN 10087 11SMnPb37 vs EN 10087 11SMnPb30

Close Alternative — 78.5% match based on chemical composition and mechanical property overlap.

EN 10087 11SMnPb37 (EN 10087:1998) and EN 10087 11SMnPb30 (EN 10087:1998) are both steel grades. Both fall under the Free Machining Steel category. EN 10087 11SMnPb37 is typically used for high speed automatic machining, precision components, while EN 10087 11SMnPb30 is commonly used for complex turned parts requiring excellent surface finish. EN 10087 11SMnPb37 is defined under European Standard (EN), originating from Europe, while EN 10087 11SMnPb30 is defined under European Standard (EN), originating from Europe.

As per chemical composition, EN 10087 11SMnPb37 vs EN 10087 11SMnPb30 is a 92.7% match. As per mechanical properties, the match is 50%. Combined, this makes them a close alternative overall at 78.5%.

Frequently Compared With EN 10087 11SMnPb37:
SAE J403 1141 IS 1570 (Part 3) 10C8S10 IS 4432 10C8S10 SAE J403 1117 SAE J403 1117 SAE J403 1117 SAE J403 1118 SAE J403 1126 SAE J403 1126 SAE J403 1118 SAE J403 1118 SAE J403 1126
Match Breakdown
CHEMISTRY MATCH
92.7%
MECHANICAL MATCH
50%
OVERALL
78.5%
Specifications
Property EN 10087 11SMnPb37 EN 10087 11SMnPb30
Standard EN 10087:1998 EN 10087:1998
Category Free Machining Steel Free Machining Steel
C (%) ≤0.14 ≤0.14
Mn (%) 0.90–1.30 0.90–1.30
S (%) 0.34–0.40 0.27–0.33
Pb (%) 0.20–0.35 0.20–0.35
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 11SMnPb37 EN 10087 11SMnPb30
Tensile Strength 380–570 MPa 380–570 MPa
Elongation ≥4% ≥6%
Typical Applications
EN 10087 11SMnPb37
High speed automatic machining, precision components
EN 10087 11SMnPb30
Complex turned parts requiring excellent surface finish
Can EN 10087 11SMnPb37 Be Substituted With EN 10087 11SMnPb30?
EN 10087 11SMnPb37 and EN 10087 11SMnPb30 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 11SMnPb37
Hex Bar → (3 listings)
Across Flats: 25–25 mm (0.98–0.98 in)
Length: 2500–3800 mm (98.43–149.61 in)
EN 10087 11SMnPb30
Hex Bar → (3 listings)
Across Flats: 25–25 mm (0.98–0.98 in)
Length: 2800–5300 mm (110.24–208.66 in)
On M-EX Right Now
EN 10087 11SMnPb37
3 active listings and RFQs →
EN 10087 11SMnPb30
3 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10087 11SMnPb37 and EN 10087 11SMnPb30?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can EN 10087 11SMnPb37 be substituted with EN 10087 11SMnPb30?
EN 10087 11SMnPb37 and EN 10087 11SMnPb30 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.