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Introduction
EN 10087 covers hot-rolled products of non-alloy steels and alloy special steels for general engineering purposes. The standard includes free-cutting steels designed to provide good machinability and are supplied in the form of hot-rolled bars and rods.
EN 10087 steel bars and rods are suitable for the production of machined components, automatic screw-machine parts, shafts, pins, bushes, fasteners, fittings, and other engineering components where good machinability and consistent material quality are required.
Ladhani Metal Corporation is a manufacturer, supplier, and exporter of EN 10087 Hot-Rolled Steel Bars and Rods, supplying free-cutting and engineering steel grades in various sizes, lengths, surface conditions, and customized dimensions worldwide.
Applicable
Standard
Standard Specification: EN 10087
Organization: European Committee for Standardization (CEN)
Title: Hot-Rolled Products of Non-Alloy Steels and Alloy Special Steels for General Engineering Purposes
Material Type: Free-Cutting Steel, Non-Alloy Steel and Alloy Special Steel
Product Forms: Hot-Rolled Bars and Rods
Material
Type
• Free-Cutting Steel
• Non-Alloy Steel
• Alloy Special Steel
• Sulfur-Alloyed Steel
• Lead-Alloyed Free-Cutting Steel
• Engineering Steel
• Hot-Rolled Steel
Forms
of Supply
• Hot-Rolled Steel Bars
• Hot-Rolled Steel Rods
• Round Bars
• Square Bars
• Hexagonal Bars
• Flat Bars
• Bright Bars where applicable
• Cut-to-Length Bars
• Custom-Sized Bars
Grades
Covered Under EN 10087
11SMn30 | 11SMnPb30 | 11SMn37 | 11SMnPb37 | 10S20 | 10SPb20 | 15SMn13 | 35S20 | 35SPb20 | 36SMn14 | 36SMnPb14 | 38SMn28 | 38SMnPb28 | 44SMn28 | 44SMnPb28 | 46S20 | 46SPb20
Supply
Condition
• Hot Rolled
• As Rolled
• Annealed where applicable
• Normalized where applicable
• Bright Processed where applicable
• Cut-to-Length Condition
Surface
Finish
• Hot-Rolled Finish
• Black Finish
• Descaled Finish
• Peeled Finish where applicable
• Ground Finish where applicable
• Bright Finish where applicable
Standard
Sizes
EN 10087 Steel Bars & Rods
Diameter: 5 mm to 500 mm
Width: Up to 300 mm for flat bars
Length: Up to 12,000 mm
Custom diameters, widths, thicknesses, lengths, and cut-to-size bars are available according to customer requirements.
Chemical
Composition of EN 10087
|
Steel Name |
C |
Si max. |
Mn |
P max. |
S |
Pb |
|
11SMn30 |
≤ 0.14 |
0.05ᵇ |
0.90 to 1.30 |
0.11 |
0.27 to
0.33 |
— |
|
11SMnPb30 |
≤ 0.14 |
0.05 |
0.90 to
1.30 |
0.11 |
0.27 to
0.33 |
0.20 to
0.35 |
|
11SMn37 |
≤ 0.14 |
0.05ᵇ |
1.00 to
1.50 |
0.11 |
0.34 to
0.40 |
— |
|
11SMnPb37 |
≤ 0.14 |
0.05 |
1.00 to
1.50 |
0.11 |
0.34 to
0.40 |
0.20 to
0.35 |
|
10S20 |
0.07 to
0.13 |
0.40 |
0.70 to 1.10 |
0.06 |
0.15 to
0.25 |
— |
|
10SPb20 |
0.07 to
0.13 |
0.40 |
0.70 to
1.10 |
0.06 |
0.15 to
0.25 |
0.20 to
0.35 |
|
15SMn13 |
0.12 to
0.18 |
0.40 |
0.90 to
1.30 |
0.06 |
0.08 to
0.18 |
— |
|
35S20 |
0.32 to
0.39 |
0.40 |
0.70 to
1.10 |
0.06 |
0.15 to
0.25 |
— |
|
35SPb20 |
0.32 to
0.39 |
0.40 |
0.70 to 1.10 |
0.06 |
0.15 to
0.25 |
0.15 to
0.35 |
|
36SMn14 |
0.32 to
0.39 |
0.40 |
1.30 to
1.70 |
0.06 |
0.10 to
0.18 |
— |
|
36SMnPb14 |
0.32 to
0.39 |
0.40 |
1.30 to
1.70 |
0.06 |
0.10 to
0.18 |
0.15 to
0.35 |
|
38SMn28 |
0.35 to
0.40 |
0.40 |
1.20 to
1.50 |
0.06 |
0.24 to
0.33 |
— |
|
38SMnPb28 |
0.35 to
0.40 |
0.40 |
1.20 to
1.50 |
0.06 |
0.24 to
0.33 |
0.15 to
0.35 |
|
44SMn28 |
0.40 to
0.48 |
0.40 |
1.30 to
1.70 |
0.06 |
0.24 to
0.33 |
— |
|
44SMnPb28 |
0.40 to
0.48 |
0.40 |
1.30 to
1.70 |
0.06 |
0.24 to
0.33 |
0.15 to
0.35 |
|
46S20 |
0.42 to
0.50 |
0.40 |
0.70 to
1.10 |
0.06 |
0.15 to
0.25 |
— |
|
46SPb20 |
0.42 to 0.50 |
0.40 |
0.70 to
1.10 |
0.06 |
0.15 to
0.25 |
0.15 to
0.35 |
Notes:
ᵃ Elements not quoted in this table shall not be intentionally added to the
steel without the agreement of the purchaser, other than for the purpose of
finishing the cast. However, elements such as Te, Se, Bi, etc. may only be
added by the manufacturer for improving machinability, if this has been agreed
at the time of enquiry and order.
ᵇ If, by
metallurgical techniques, the formation of special oxides is guaranteed, a
Si-content of 0.10 % to 0.40 % can be agreed.
Mechanical
Properties of EN 10087
Mechanical properties depend on the grade, product diameter, and delivery condition.
|
Grade |
Tensile
Strength MPa |
Elongation % |
|
11SMn30 |
440–640 |
≥10 |
|
11SMnPb30 |
440–640 |
≥10 |
|
11SMn37 |
490–690 |
≥8 |
|
11SMnPb37 |
490–690 |
≥8 |
|
10S20 |
400–600 |
≥12 |
|
10SPb20 |
400–600 |
≥12 |
|
15SMn13 |
450–650 |
≥10 |
|
35S20 |
550–750 |
≥8 |
|
35SPb20 |
550–750 |
≥8 |
|
36SMn14 |
550–750 |
≥8 |
|
36SMnPb14 |
550–750 |
≥8 |
|
38SMn28 |
600–800 |
≥7 |
|
38SMnPb28 |
600–800 |
≥7 |
|
44SMn28 |
650–850 |
≥6 |
|
44SMnPb28 |
650–850 |
≥6 |
|
46S20 |
600–800 |
≥7 |
|
46SPb20 |
600–800 |
≥7 |
Mechanical values depend on the actual product diameter and delivery condition; applicable EN 10087 tables should be used for certification.
Key
Features of EN 10087 Hot-Rolled Bars and Rods
• Excellent machinability
• Suitable for high-speed machining
• Good dimensional consistency
• Good surface characteristics after machining
• Suitable for automatic screw machining
• Consistent chemical composition
• Available in sulfur-alloyed grades
• Leaded grades provide enhanced machinability
• Suitable for mass-produced components
• Good mechanical performance
Applications
of EN 10087 Hot-Rolled Bars and Rods
Automotive Industry
• Shafts
• Pins
• Bushes
• Fasteners
• Automotive Machined Components
• Steering Components
Mechanical Engineering
• Machine Parts
• Couplings
• Spindles
• Rollers
• Axles
• Precision Components
Automatic Machining
• Screw-Machined Components
• Fittings
• Connectors
• Bushes
• Threaded Components
• Small Precision Parts
Manufacturing Industry
• Bolts
• Nuts
• Studs
• Pins
• Rivets
• Machined Components
General Engineering
• Shafts
• Gears
• Bushes
• Pins
• Couplings
• Industrial Components
Fabrication
and Machining
EN 10087 free-cutting steel bars and rods are primarily selected for their excellent machining characteristics.
• Excellent turning performance
• High-speed machining capability
• Good drilling characteristics
• Good threading performance
• Suitable for milling
• Reduced machining forces
• Good chip-breaking characteristics
• Suitable for automated production
Lead-containing grades can provide improved machinability but require appropriate environmental and occupational controls during processing.
Heat
Treatment
Heat treatment depends on the selected grade and intended application.
• Annealing improves machinability
• Normalizing refines the microstructure
• Quenching can increase hardness where applicable
• Tempering improves toughness
• Case hardening can be used with suitable grades
• Controlled cooling provides uniform properties
Advantages
of EN 10087 Hot-Rolled Bars and Rods
• Excellent machinability
• High production efficiency
• Suitable for automatic machining
• Wide range of free-cutting grades
• Good dimensional consistency
• Available in leaded and non-leaded grades
• Suitable for mass production
• Good mechanical properties
• Suitable for precision components
• Cost-effective solution for machined parts
Conclusion
EN 10087 Hot-Rolled Bars and Rods include non-alloy and alloy special steels for general engineering purposes, with a significant range of free-cutting grades designed for efficient machining. The specified grades include 11SMn30, 11SMnPb30, 11SMn37, 11SMnPb37, 10S20, 10SPb20, 15SMn13, 35S20, 35SPb20, 36SMn14, 36SMnPb14, 38SMn28, 38SMnPb28, 44SMn28, 44SMnPb28, 46S20, and 46SPb20.
Ladhani Metal Corporation supplies EN 10087 Hot-Rolled Steel Bars and Rods in these grades and other applicable EN 10087 grades, with various diameters, lengths, surface conditions, and customized dimensions for automotive, automatic machining, mechanical engineering, fastener manufacturing, fittings, shafts, pins, bushes, and general engineering applications worldwide.
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