Carbon Steel EN-42 Bars

Luois Metals provides EN‑42 medium-carbon alloy steel bars to automotive, tool-making, and general engineering customers from our Houston plant. EN42 bars are obtained to fulfill ASTM and European material specificationsproviding consistent performance and machinability. We have various sizes and tempers in inventory, ready for heat treatment or machining. Luois Metals maintains strict dimensional and metallurgical specifications to ensure products are to customer requirements. With quick turnaround and professional advice, Luois Metals is your go-to supplier of alloy steel bars perfect for shafts, pins, studs, and mechanical parts used in various industrial applications.

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Carbon Steel EN-42 Round Bars

Carbon Steel EN-42 Hex Bars

Carbon Steel EN-42 Series Rods

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What is Carbon Steel EN-42 Series Bars ?

Carbon Steel EN-42 Bars and Rods are manufactured from carefully balanced chemical compositions, typically containing carbon (0.40-0.50%), manganese (0.60-0.90%) and silicon (0.15-0.35%) These materials were provided it was durable, strength and wear resistance is . Mechanical properties of our EN-42 Bars and Rods include tensile strength of 600-800 MPa, yield strength of 350-450 MPa, and elongation of 14-20% These properties make them ideal for demanding applications high strength and resistance to wear and fatigue in various ranges Reliable operation is ensured in industrial environments

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Carbon Steel EN-42 Bars Specifications

Dimensions EN, DIN, JIS, ASTM, BS, ASME, AISI
Round Bars 3.0 – 50.8 mm, Over 50.8 – 300mm
Rectangular Bars 6.35 x 12.7mm,6.35 x 25.4mm,12.7 x 25.4mm
Hex Bars AF5.8mm–17mm
Square Bars AF2mm – 14mm, AF6.35mm,9.5mm,12.7mm, 15.98mm,19.0mm, 25.4mm
Flat Bars 1/2” to 10” in thickness range of 2mm to 150mm,
Finish Bright, Polish & Black
Length 1 to 6 Meters, Custom Cut Lengths
Form Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc.

Chemical Compositions of Carbon Steel EN-42 Bars

Grade Chemical composition %:
C Si Mn S P Cr Ni Cu
En42 0.17-0.24 0.17-0.37 0.7-1.00 ≤0.035 ≤0.035 ≤0.25 ≤0.25 ≤0.25

Mechanical Properties of Carbon Steel EN-42 Bars

Grade Tensile Strength (Mpa) Yield Strength (Mpa) Elongation in 100-150 mm(%) Reduction in Area Hardness
En42 ≥380 ≥210 ≥25 ≥50 ≤111HB

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Carbon Steel EN-42 Bars Types

Carbon Steel EN-42 Hollow Bars
Carbon Steel EN-42 Cold Rolled Rods
Carbon Steel EN-42 Polished Bars
Carbon Steel EN-42 Industrial Forged Bar & Rods
Carbon Steel EN-42 Square Bars
Carbon Steel EN-42 Round Bars

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size chart Carbon Steel EN-42 Bars

Sizes Chart in Milimeter Sizes in Inch Thickness Chart In MM Thickness Chart In Inches
22 7/8 17 & 18 2/3 – 5/7
25 1 5 to 20 3/16 – 4/5
30 1-3/16 5 to 20 3/16 – 4/5
32 1-1/4 6 to 20 1/4 – 4/5
35 1-3/8 5 to 20 3/16 – 3/16
40 1-4/7 5 to 25 3/16 – 1
45 1-7/9 5 to 25 3/16 – 1
47 1-6/7 17,25 & 32 2/3, 1 & 1-1/4
50 2 5 to 32 3/16 – 1-1/4
55 2-1/16 5 to 25 3/16 – 1
57 2-1/4 32 1-1/4
60 2-3/8 5 to 35 3/16 – 1-3/8
63 2-1/2 10 to 30 3/8 – 1-3/16
65 2-5/9 10 to 30 & 35 3/8 – 1-3/16, & 1-3/8
70 2-3/4 6 to 25 & 40 1/4 – 1, & 1-4/7
75 3 8 to 25 5/16 – 1
80 3-1/8 8 to 20 5/16 – 4/5
90 3-1/2 8 to 20 5/16- 4/5
100 4 8, 10, 12 5/16, 3/8, 1/2

Frequently Asked Questions (FAQ)

EN-42 Bars and Rods are commonly used in the automotive, engineering, and manufacturing industries for components like shafts, gears, and structural parts.

EN-42 Bars and Rods offer a tensile strength of 600-800 MPa and a yield strength of 350-450 MPa, providing high strength and durability.

Yes, we offer customized sizes and specifications to meet the specific needs of different industrial applications.

Carbon Steel EN-42 Bars Uses

EN‑42 bars find application in shafts, axles, studs, spindles, and pins in automotive, textile, and general engineering. They can be used for making bolts, couplers, and medium-duty mechanical parts. EN‑42 is used in machine tools, agricultural machinery, and hydraulic assemblies. It is usually hardened or case-hardened for better wear resistance. This grade supports clean machining and moderate load applications. EN‑42 provides a balanced answer to parts that need improved strength, toughness, and machinability without the expense of high-alloy steel complexity.

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