Medium Carbon Steel · 080M40

EN8 Round Bar & Shaft Stock Supplier in Mumbai

EN8 (BS 970 designation 080M40) is an unalloyed medium carbon steel used across general engineering for shafts, studs, axles and machined components. Supplied normally in the normalised condition, it offers a substantial strength increase over IS 2062 mild steel while remaining straightforward to machine and weld with preheat. Shah Industrial Enterprise stocks EN8 as round bar and shaft material at the Darukhana, Mazgaon yard and cuts it to your drawing length.

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Common Cross-references
BS 970
080M40
AISI / SAE
1040
DIN / EN
C40 / 1.0511
IS 1570
40C8

Cross-references are not proof of interchangeability. Confirm the governing standard, condition, section size and required properties before ordering.

Supply Desk:Darukhana, Mazgaon
CHEMICAL COMPOSITION

EN8 Chemical Composition

ElementRange (per standard)
Carbon (C)0.36 – 0.44 %
Manganese (Mn)0.60 – 1.00 %
Silicon (Si)0.10 – 0.40 %
Sulphur (S)0.050 % max
Phosphorus (P)0.050 % max

Reference ranges vary by standard revision and exact designation. Confirm the purchase specification and use the Mill Test Certificate for the supplied heat.

MECHANICAL PROPERTIES

EN8 Properties & Condition

Mechanical properties for EN8
PropertyTypical Value
Tensile Strength550 – 700 MPa
Typical ConditionNormalised
MachinabilityGood in normalised condition
WeldabilityWeldable with preheat

Mechanical properties depend on heat-treatment condition and section size. Confirm the required values against the governing order specification before purchase.

WHY THIS GRADE

Key Characteristics of EN8

  • Higher tensile strength and wear resistance than IS 2062 mild steel
  • Responds to flame and induction hardening on the surface
  • Readily machined in the normalised condition
  • Cost-effective where alloy content is not justified
SECTOR USAGE

EN8 Applications

  • General machinery shafts and spindles
  • Connecting rods and axle shafts
  • Studs, bolts, keys and drive couplings
  • Gear blanks for lightly loaded drives
Direct Procurement

Get a price on EN8

Send the diameter, cut length, quantity and delivery destination. Enquiries go straight to the family desk at the Darukhana yard.

What to include:

• Grade & required condition

• Diameter & cut length in mm

• Total quantity (pieces / kg)

• Delivery location

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Direct Yard Desk

Kalpesh & Ritesh Shah

Darukhana, Mazgaon, Mumbai

Mobile: +91 98200 23666

Hours: Monday to Saturday, 9:00 AM to 7:00 PM IST

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