PREMIUM STEEL

30CrNiMo8

30CrNiMo8 is a high-strength low-alloy steel grade known for excellent fatigue resistance, toughness, and deep hardenability. Lanoit Special Steel Industries supplies 30CrNiMo8 steel round bars, flats, and customized cut sizes as a reliable round bar supplier in Mumbai, Navi Mumbai, and Pune. This grade is commonly used for critical shafts, gears, and heavy-duty components where durability and performance are essential. All materials are supplied with test certificates to ensure traceability.

MANUFACTURING & AVAILABILITY

Lanoit Steel Industries supplies 30CrNiMo8 in various conditions including As-Rolled, Annealed, Normalized, and Quenched & Tempered (Q&T), catering to diverse industrial requirements from oil & gas downhole tools to automotive drive shafts. Lanoit Special Steel Industries is recognized as one of the leading suppliers of specialty steel grades and round bars, serving industries that demand high-quality materials and reliable sourcing. With a focus on a wide range of steel products, Lanoit Special Steel Industries is considered among the top providers for special steel needs.

Finish ConditionSize Range (MM)Size Range (Inches)
Hot Rolled16mm – 300mm5/8" – 12"
Cold Rolled5mm – 100mm3/16" – 4"
Peeled & Polished20mm – 150mm3/4" – 6"
Ground & Polished5mm – 80mm3/16" – 3"
Forged200mm – 800mm8" – 32"
Proof MachinedAs per drawingAs per drawing

Heat Treatment Guide & Properties

30CrNiMo8 responds well to normalized and quenched and tempered conditions, allowing it to achieve high strength and fatigue resistance ideal for rotating and load-bearing parts.

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Annealing

830°C – 860°C

Improves machinability and prepares for further heat treatment.

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Normalizing

860°C – 900°C

Refines grain structure and improves mechanical uniformity.

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Quenching & Tempering

800°C – 850°C

Used for achieving high strength and toughness.

Standard Lengths

✔ Fixed Lengths

3m 6m 9m

✔ Random Lengths

3 - 9 meters

✔ Cut to Length

Custom cutting available

■ Chemical Composition

Element% Composition
Carbon0.28-0.35%
Chromium1.30-1.70%
Nickel1.30-1.70%
Molybdenum0.25-0.35%
Manganese0.50-0.80%
Silicon0.15-0.35%

30CrNiMo8 steel is alloyed with Chromium, Nickel, and Molybdenum to provide deep hardenability, strong tensile strength, and enhanced fatigue life. The balanced chemistry supports both high strength and toughness.

■ Mechanical Properties

PropertyValue
Tensile Strength900-1050 MPa
Yield Strength700 MPa min
Elongation12-18%
Hardness280-320 HB

After appropriate heat treatment, 30CrNiMo8 delivers high tensile and yield strength, along with good ductility. Its performance under cyclic loads makes it suitable for transmission components, automotive crankshafts, and industrial shafts.

Quality & Standards

Materials are processed and reviewed following standard procedures. Various checks are performed to assess general quality and consistency. Our products are throughly tested for grade 30CrNiMo8. Lanoit Special Steel Industries is a recognized provider in the steel sector, known for supplying a wide range of steel products. The company works with experienced teams and standard practices to support reliable material availability.

ISO 9001:2015

Standard quality management processes are followed for routine assessments.

Ultrasonic

Inspections may be conducted to check internal structure according to common practices.

Mechanical

Mechanical properties are examined using standard testing methods.

Chemical

Chemical composition is assessed through routine analysis techniques.

Industries We Supply

Lanoit Special Steel Industries is one of the leading suppliers and exporters of steel, catering to a wide range of industries worldwide. We supply multiple grades of steel in round bars and other forms, meeting diverse application requirements with consistent quality and reliable delivery.

Oil, Gas & Energy

Steel supplied for critical applications where reliability and performance are essential under extreme operating conditions.

  • Round Bars
  • Forged Components
  • Flanges & Fittings

Automotive & Engineering

Supporting OEMs and component manufacturers with consistent quality steel for precision and high-load applications.

  • Shafts & Axles
  • Transmission Parts
  • Machined Components

Manufacturing & Industrial Machinery

Widely used across general engineering, heavy machinery, and equipment manufacturing.

  • Round Bars
  • Gear Blanks
  • Hydraulic & Mechanical Parts

Infrastructure, Mining & Agriculture

Supplying durable steel products for demanding environments and long service life.

  • Structural Components
  • Wear Parts
  • Fasteners & Bolting

Frequently Asked Questions

Common queries about 30CrNiMo8 selection, processing, and application.

What is 30CrNiMo8 steel?
30CrNiMo8 is a nickel-chromium-molybdenum alloy steel known for high strength, toughness, and fatigue resistance.
What are the common applications of 30CrNiMo8?+
Is 30CrNiMo8 heat treatable?+
Can 30CrNiMo8 be machined?+
Is 30CrNiMo8 suitable for high-stress applications?+
What forms of 30CrNiMo8 steel are available?+
Who is a round bar supplier in Mumbai for 30CrNiMo8?+
Can 30CrNiMo8 be supplied as per drawing?+
Does Lanoit Special Steel Industries supply 30CrNiMo8 in Pune?+
Is 30CrNiMo8 suitable for automotive applications?+
Does 30CrNiMo8 steel come with test certificates?+
Can 30CrNiMo8 steel be welded?+
What industries use 30CrNiMo8?+
Is technical support available for 30CrNiMo8?+

GLOBAL REACH

Lanoit Special Steel Industries Serving Industries Worldwide

India

  • Mumbai, Maharashtra
  • Pune, Maharashtra
  • Ahmedabad, Gujarat
  • Chennai, Tamil Nadu
  • Delhi, NCR
  • Bangalore, Karnataka
  • Hyderabad, Telangana
  • Vadodara, Gujarat

Middle East

  • Dubai, UAE
  • Abu Dhabi, UAE
  • Riyadh, Saudi Arabia
  • Jeddah, Saudi Arabia
  • Doha, Qatar
  • Muscat, Oman
  • Kuwait City, Kuwait
  • Manama, Bahrain

Europe

  • London, UK
  • Berlin, Germany
  • Paris, France
  • Milan, Italy
  • Madrid, Spain
  • Antwerp, Belgium
  • Rotterdam, Netherlands

Americas & Asia

  • New York, USA
  • Houston, USA
  • Toronto, Canada
  • Singapore
  • Kuala Lumpur, Malaysia
  • Jakarta, Indonesia
  • Bangkok, Thailand

Looking for a Specific Steel Grade?

Lanoit Special Steel Industries offers a comprehensive range of steel grades tailored to meet diverse industrial needs.

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