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Products/Carbon Steel/EN1A LEADED

EN1A LEADED Carbon Steel Round Bar

Low Carbon Leaded Free-Cutting Steel (Super Free-Machining)

Standard
BS 970 (230M07 Pb) / EN 10277-3 (11SMnPb30)
Werkstoff / UNS
Werkstoff: 1.0718UNS: G12144
Common Equivalents
11SMNPB30
Overview

About EN1A LEADED Carbon Steel

C P Steel Suppliers supplies EN1A LEADED Carbon Steel for engineering, industrial machinery and manufacturing applications. It is classified as Low Carbon Leaded Free-Cutting Steel (Super Free-Machining). Common equivalents include 11SMNPB30. Available forms include ROUND BAR.

Contact our Mumbai team with your required size and quantity to confirm availability, documentation and delivery.

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Specification

Chemical Composition

ElementComposition (wt%)
CCarbon
max 0.14%
MnManganese
0.90 - 1.30%
SiSilicon
max 0.05%
PPhosphorus
max 0.11%
SSulfur
0.27 - 0.33%
PbLead
0.20 - 0.35%
FeIron
Balance
Performance

Mechanical, Physical & Processing Properties

PropertyValue / Reading
Tensile Strength360 - 510 MPa (Hot Rolled) / 380 - 650 MPa (Cold Drawn)
Yield Strengthmin 245 - 410 MPa (Cold Drawn)
Elongation6 - 10 %
Hardness Brinell112 - 190 HBW
PropertyValue / Reading
Density7.85 g/cm³
Melting Point1490 - 1520 °C
Modulus Of Elasticity200 GPa
Thermal Conductivity51.0 W/m·K
PropertyValue / Reading
WeldabilityNot suitable for welding due to high sulfur, phosphorus, and lead content.
MachinabilityOutstanding (approx. 170% of 1112); lead and sulfur additions enable ultra-high-speed CNC turning with fine surface finish.
HardenabilityCan be case hardened if required, though primarily used as-machined for precision fittings, connectors, and fasteners.
Corrosion ResistanceLow; requires plating or oiling.
Cross Reference

Equivalent Grades by Standard

Standard / RegionEquivalent Grade
Indian IS11SMnPb30 / 10SPb20
European EN11SMnPb30 (EN 10277-3)
Germany DIN9SMnPb28 (1.0718)
Japan JISSUM24L
UK (BS)230M07 Pb (EN1A Leaded)
USA (SAE / AISI)SAE 12L14 / AISI 12L14
Availability

Available Forms & Sizes

  • ROUND BAR
Form TypeSize Range Available
Black Round BarsOD 16MM - OD 100MM
Bright Round BarsOD 6MM - OD 50MM
FAQ

EN1A LEADED — frequently asked questions

What is the equivalent of EN1A LEADED?
Common equivalents include 11SMNPB30. Standards: Indian IS: 11SMnPb30 / 10SPb20; European EN: 11SMnPb30 (EN 10277-3); Germany DIN: 9SMnPb28 (1.0718); Japan JIS: SUM24L; UK (BS): 230M07 Pb (EN1A Leaded); USA (SAE / AISI): SAE 12L14 / AISI 12L14.
Which forms of EN1A LEADED are available?
EN1A LEADED is available as ROUND BAR.
Where can I buy EN1A LEADED Carbon Steel in Mumbai or across India?
C P Steel Suppliers supplies EN1A LEADED Carbon Steel from Mumbai. Contact us with your size and quantity to confirm availability and delivery.

Interested in Carbon Steel EN1A LEADED?

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