Alloy Steel

N.S. & Alloy Steel Round Bars

Chromium-molybdenum and nickel-chromium-molybdenum alloy steel bars including EN19 (4140), EN24 (4340), and EN353. Designed for extreme fatigue resistance, high torque, and critical load-bearing performance.

Technical SnapshotSIE–05
Grades
EN19, EN24, EN353, EN31
Diameter
Ø 100mm – 1000mm
Finish
Black, Peeled, Ground
Heat Treat
Annealed / Normalized / Q+T
Custom Cutting
Available (±1.0mm)
Supply Desk:Darukhana, Mazgaon Yard

Material Capabilities

ParameterStandard Capability
Diameter Range100 mm to 1000 mm dia
Length RangeCustom cut lengths as requested
Available GradesEN19EN24EN353EN31AISI 4140AISI 4340
Surface Finish OptionsBlack, Peeled, Rough Turned
Cutting Tolerance±1.0 mm (straight cuts)

Recommended Applications

Heavy transmission gears and pinions
High-stress engine and compressor shafts
Die holders and extrusion tooling components
Marine propulsion shafting
Direct Procurement

Request a Quote for Alloy Steel Bars

Provide your required diameter, cut lengths, quantity, and delivery destination. Direct response within 2 hours.

What to include:

• Grade & required condition

• Diameter & cut length in mm

• Total quantity (pieces / kg)

• Delivery location

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Need to calculate tonnage?

Use our interactive steel weight calculator to estimate theoretical weights for round bars, shafts, and hollow sections before quoting.

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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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