EN8 Carbon Steel

Chemical Composition 

Element Percentage (%)
Carbon (C) 0.36 – 0.44
Silicon (Si) 0.10 – 0.40
Manganese (Mn) 0.60 – 1.00
Phosphorus (P) Max 0.05
Sulfur (S) Max 0.005

EN8 Carbon Steel – Medium Carbon Engineering Steel

Overview of EN8 Carbon Steel

  • A trusted C45 Carbon Steel Supplier supplies EN8 Carbon Steel, also known as 080M40, for medium-strength engineering applications.
  • A professional C45 Carbon Steel Supplier provides EN8 Carbon Steel with higher strength compared to mild steel.
  • An experienced C45 Carbon Steel Supplier offers EN8 Carbon Steel with excellent machinability and good wear resistance.
  • A reliable C45 Carbon Steel Supplier supplies EN8 Carbon Steel for shafts, axles, bolts, gears, studs, and machinery parts.
  • A certified C45 Carbon Steel Supplier delivers EN8 Carbon Steel in untreated condition or heat-treated form as required.
  • A dependable C45 Carbon Steel Supplier recommends EN8 Carbon Steel for flame or induction hardening to enhance surface hardness.

Key Characteristics & Advantages of EN8 Carbon Steel

  • A professional C45 Carbon Steel Supplier provides EN8 Carbon Steel with medium tensile strength for balanced performance.
  • A trusted C45 Carbon Steel Supplier supplies EN8 Carbon Steel with excellent machinability for precision components.
  • A reliable C45 Carbon Steel Supplier offers EN8 Carbon Steel suitable for heat treatment and surface hardening.
  • A quality-focused C45 Carbon Steel Supplier ensures EN8 Carbon Steel delivers improved wear resistance after induction hardening.
  • A certified C45 Carbon Steel Supplier supplies EN8 Carbon Steel with consistent metallurgical properties after heat treatment.

Heat Treatment Options

Process Description
Normalizing Heat to 830–860°C and cool in air for refining grain structure
Hardening Heat to 820–860°C, quench in oil or water for increased hardness
Tempering Reheat to 550–660°C and cool in oil or water for improved ductility
Flame/Induction Hardening Achieves surface hardness of 50–55 HRC for wear resistance

Forging Guidelines for EN8 Carbon Steel

  • A technical C45 Carbon Steel Supplier recommends slow and uniform preheating of EN8 Carbon Steel before forging.
  • An experienced C45 Carbon Steel Supplier specifies forging EN8 Carbon Steel between 850°C and 1050°C.
  • A professional C45 Carbon Steel Supplier advises not to forge EN8 Carbon Steel below 850°C.
  • A dependable C45 Carbon Steel Supplier recommends slow furnace cooling of EN8 Carbon Steel after forging.

Available Product Forms of EN8 Carbon Steel

EN8 Steel Bars

  • A leading C45 Carbon Steel Supplier supplies hot rolled EN8 Carbon Steel round bars from 16mm to 250mm in diameter.
  • A reliable C45 Carbon Steel Supplier provides cold-drawn EN8 Carbon Steel bars from 5mm to 70mm in diameter.
  • A professional C45 Carbon Steel Supplier offers heavy forged EN8 Carbon Steel rounds from 200mm to 450mm in diameter.
  • A trusted C45 Carbon Steel Supplier supplies machined EN8 Carbon Steel rounds from 260mm to 620mm in diameter.
  • A certified C45 Carbon Steel Supplier provides EN8 Carbon Steel ship shafts from 450mm to 1000mm in diameter.

EN8 Steel Flats and Plates

  • A dependable C45 Carbon Steel Supplier supplies EN8 Carbon Steel flat bars up to 50mm thickness and 455mm width.
  • A professional C45 Carbon Steel Supplier offers forged EN8 Carbon Steel flat bars up to 305mm thickness and 455mm width.
  • A reliable C45 Carbon Steel Supplier supplies EN8 Carbon Steel plates from 16mm to 150mm thickness.
  • A trusted C45 Carbon Steel Supplier provides heavy-duty EN8 Carbon Steel plates from 16mm to 350mm thickness.

EN8 Steel Sheets and Strips

  • A certified C45 Carbon Steel Supplier supplies cold-rolled EN8 Carbon Steel sheets from 0.4mm to 4mm thickness.
  • A professional C45 Carbon Steel Supplier offers hot-rolled EN8 Carbon Steel sheets from 2.7mm to 12mm thickness.
  • A dependable C45 Carbon Steel Supplier provides EN8 Carbon Steel strips from 0.4mm to 4mm thickness.

EN8 Steel Blocks

  • A trusted C45 Carbon Steel Supplier supplies machined or bandsaw-cut EN8 Carbon Steel blocks up to 350mm thickness.
  • A reliable C45 Carbon Steel Supplier offers forged EN8 Carbon Steel blocks up to 400mm thickness.

EN8 Forged Gear Blanks

  • A professional C45 Carbon Steel Supplier supplies EN8 Carbon Steel forged gear blanks from 200mm to 1500mm in diameter.
  • A certified C45 Carbon Steel Supplier provides EN8 Carbon Steel gear blanks with thickness from 80mm to 350mm.

Equivalent Grades

Standard Equivalent Grade(s)
BS 970 080M40
ASTM/AISI 1038, 1040, 1045
DIN 1.0511, 1.1186, 1.1189
JIS S40C, S45C
EN/DIN EU C40, CK40, C45, CK45

Applications of EN8 Carbon Steel

  • A leading C45 Carbon Steel Supplier supplies EN8 Carbon Steel for transmission shafts.
  • A reliable C45 Carbon Steel Supplier provides EN8 Carbon Steel for crankshafts.
  • A professional C45 Carbon Steel Supplier offers EN8 Carbon Steel for gears and gear blanks.
  • A trusted C45 Carbon Steel Supplier supplies EN8 Carbon Steel for studs, bolts, and connecting rods.
  • A dependable C45 Carbon Steel Supplier provides EN8 Carbon Steel for forged machine components

Forged Products Offered

  • A certified C45 Carbon Steel Supplier manufactures heavy-duty machined shafts from EN8 Carbon Steel.
  • A professional C45 Carbon Steel Supplier supplies EN8 Carbon Steel forged circles.
  • A reliable C45 Carbon Steel Supplier offers EN8 Carbon Steel forged rings.
  • A trusted C45 Carbon Steel Supplier provides EN8 Carbon Steel backup rolls.
  • A dependable C45 Carbon Steel Supplier supplies EN8 Carbon Steel gear blanks.
  • A leading C45 Carbon Steel Supplier offers EN8 Carbon Steel heavy-duty forged shafts.
  • A professional C45 Carbon Steel Supplier supplies EN8 Carbon Steel blocks, shafts, and flats.

Why Choose Steel Mart as a C45 Carbon Steel Supplier

  • Steel Mart, as a C45 Carbon Steel Supplier, brings over 50 years of experience in carbon and alloy steel supply.
  • Steel Mar,t as a C45 Carbon Steel Supplier, maintains a huge inventory of EN8 Carbon Steel and related grades.
  • Steel Mart, as a C45 Carbon Steel Supplier, offers custom sizes, shapes, and processing services.
  • Steel Mar,t as a C45 Carbon Steel Supplier, ensures competitive pricing across all EN8 Carbon Steel products.
  • Steel Mart, as a C45 Carbon Steel Supplier, guarantees fast and reliable delivery across India.

Other Steel Grades Available

  • A comprehensive C45 Carbon Steel Supplier also supplies C45, EN8D, EN9, EN19, EN24, EN31, EN36C, EN41B, EN47, and EN353.
  • A professional C45 Carbon Steel Supplier offers IS2062, 42CrMo4, HCHCR, and OHNS grades.
  • A reliable C45 Carbon Steel Supplier supplies tool steels including D2, D3, H11, and H13.
  • A trusted C45 Carbon Steel Supplier provides high-speed steels such as M2, M35, M42, and M48.
  • A leading C45 Carbon Steel Supplier offers 1.2714, SKD-11, P20 series, SAE 4140, SAE 4340, SAE 8620, 16MnCr5, 20MnCr5, C35–C60, CK45, 40C8, 45C8, 55C8, C55Mn75, SAE 52100, S40C, and S355J2G3.

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