Post Stock Login Register

EN 10087 11SMn37 vs EN 10087 9SMn28

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

EN 10087 11SMn37 (EN 10087:1998) and EN 10087 9SMn28 (EN 10087:1998) are both steel grades. Both fall under the Free Machining Steel category. EN 10087 11SMn37 is typically used for precision turned components, automotive parts, while EN 10087 9SMn28 is commonly used for screw machine parts, general automatic turning. EN 10087 11SMn37 is defined under European Standard (EN), originating from Europe, while EN 10087 9SMn28 is defined under European Standard (EN), originating from Europe.

As per chemical composition, EN 10087 11SMn37 vs EN 10087 9SMn28 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 11SMn37:
IS 4432 10C8S10 SAE J403 1141 IS 1570 (Part 3) 10C8S10 SAE J403 1117 SAE J403 1117 SAE J403 1117 SAE J403 1118 SAE J403 1118 SAE J403 1126 SAE J403 1126 SAE J403 1126 SAE J403 1132
Match Breakdown
CHEMISTRY MATCH
92.7%
MECHANICAL MATCH
50%
OVERALL
78.5%
Specifications
Property EN 10087 11SMn37 EN 10087 9SMn28
Standard EN 10087:1998 EN 10087:1998
Category Free Machining Steel Free Machining Steel
C (%) ≤0.14 ≤0.14
Si (%) ≤0.05 ≤0.05
Mn (%) 0.90–1.30 0.90–1.30
S (%) 0.34–0.40 0.24–0.32
P (%) ≤0.110 ≤0.110
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 11SMn37 EN 10087 9SMn28
Tensile Strength 380–570 MPa 380–570 MPa
Elongation ≥5% ≥7%
Hardness ≤180 HB Not specified
Typical Applications
EN 10087 11SMn37
Precision turned components, automotive parts
EN 10087 9SMn28
Screw machine parts, general automatic turning
Can EN 10087 11SMn37 Be Substituted With EN 10087 9SMn28?
EN 10087 11SMn37 and EN 10087 9SMn28 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 11SMn37
Hex Bar → (3 listings)
Across Flats: 25–25 mm (0.98–0.98 in)
Length: 2500–3100 mm (98.43–122.05 in)
EN 10087 9SMn28
Hex Bar → (2 listings)
Across Flats: 25–25 mm (0.98–0.98 in)
Length: 3500–5300 mm (137.8–208.66 in)
On M-EX Right Now
EN 10087 11SMn37
3 active listings and RFQs →
EN 10087 9SMn28
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10087 11SMn37 and EN 10087 9SMn28?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can EN 10087 11SMn37 be substituted with EN 10087 9SMn28?
EN 10087 11SMn37 and EN 10087 9SMn28 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.