Overview
About EN18 Alloy Steel
C P Steel Suppliers supplies EN18 Alloy Steel for engineering, industrial machinery and manufacturing applications. It is classified as Medium Carbon Chromium Alloy Engineering Steel. Common equivalents include 41CR4, SAE 5140, SAE 5130. Available forms include ROUND BAR.
Contact our Mumbai team with your required size and quantity to confirm availability, documentation and delivery.
EN18 Round Bar Suppliers, EN18 Stockist, EN18 Big Dia, EN18 Cut to size as per requirement, EN18 vs 41CR4, SAE 5140, SAE 5130, EN18 Flat Bar, EN18 Small Quantity, EN18 Larger Dia, EN18 Circle, Ring. EN18 Mumbai, Chennai, Tamil Nadu, Gujarat, Pune, Maharashtra, India etc.
Specification
Chemical Composition
ElementComposition (wt%)
CCarbon
0.38 - 0.45%
MnManganese
0.60 - 0.90%
SiSilicon
0.10 - 0.40%
CrChromium
0.90 - 1.20%
PPhosphorus
max 0.025%
SSulfur
max 0.035%
FeIron
Balance
Performance
Mechanical, Physical & Processing Properties
PropertyValue / Reading
Tensile Strength700 - 850 MPa (Condition R) / 800 - 950 MPa (Condition S)
Yield Strengthmin 480 MPa
Elongation12 - 16 %
Hardness Brinell201 - 255 HBW
PropertyValue / Reading
Density7.85 g/cm³
Melting Point1420 - 1460 °C
Modulus Of Elasticity210 GPa
Thermal Conductivity44.6 W/m·K
PropertyValue / Reading
WeldabilityFair; requires preheating to avoid cracking in heat-affected zones.
MachinabilityGood in annealed or normalized state.
Case HardeningRespond well to induction hardening for wear-resistant shafts and gears.
Corrosion ResistanceLow; requires protective coating in corrosive environments.
Cross Reference
Equivalent Grades by Standard
Standard / RegionEquivalent Grade
Indian IS40Cr4 (IS 1570)
European EN41Cr4 (EN 10083-3)
Germany DIN41Cr4 (DIN 17200)
Japan JISSCr440 (JIS G4053)
UK (BS)530A40 / 530M40 / EN18 (BS 970)
USA (SAE / AISI)SAE 5140 / SAE 5130
Availability
Available Forms & Sizes
- ROUND BAR
Form TypeSize Range Available
Black Round BarsOD 16MM - OD 200MM
FAQ
EN18 — frequently asked questions
What is the equivalent of EN18?
Common equivalents include 41CR4, SAE 5140, SAE 5130. Standards: Indian IS: 40Cr4 (IS 1570); European EN: 41Cr4 (EN 10083-3); Germany DIN: 41Cr4 (DIN 17200); Japan JIS: SCr440 (JIS G4053); UK (BS): 530A40 / 530M40 / EN18 (BS 970); USA (SAE / AISI): SAE 5140 / SAE 5130.
Which forms of EN18 are available?
EN18 is available as ROUND BAR.
Where can I buy EN18 Alloy Steel in Mumbai or across India?
C P Steel Suppliers supplies EN18 Alloy Steel from Mumbai. Contact us with your size and quantity to confirm availability and delivery.
Interested in Alloy Steel EN18?
Tell us the size and quantity you need and we will get back to you.