Products of All Types

12+

Export Experience

8000㎡

Factory Area

20000+

Storage Capacity

140+

Number of Employees

Who We Are

Hunan Qilu Steel
Qilu Special Steel founded in 1986 year, stands as one of China’s poineering enterprises specializing in forging materials. Qilu’s primary products include special steel round bars (Φ80-Φ1200), forgings, rolls, billets and shafts. The steel grade cover alloy and carbon structural steel, tool steel, stainless steel, bearing steel, gear steel, heat-resistant steel, spring steel, mould steel etc.

Why Choose Us

12 years of steel export experience
30+years of experience in steel forging
Over 20,000 tons of steel in stock in all sizes
Customers are distributed around the world

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Certificates

ABS
BV
CCS
GL
ISO9001
LR

Latest News & Updates​​​​​​​

Tool Steel Vs Alloy Steel: Differences
2026 / - 06 / - 11

Choosing the right steel can make or break your project. Tool vs alloy steel offers very different benefits. Which one fits your needs best?Steel types vary widely in strength, hardness, and toughness. Understanding these differences helps you select the perfect material.

Best Steel for Gears: Material Guide
2026 / - 06 / - 10

Choosing the right steel for gears can make or break your machine’s performance. Did you know many gear failures stem from poor material choice?Steel properties like hardness and toughness directly affect gear durability and efficiency. Selecting the wrong steel leads to wear, fatigue, and costly downtime.

Best Steel for Shafts: Top Choices
2026 / - 06 / - 08

Choosing the right steel for shafts can make or break performance. Not all steels handle stress and wear equally well. Steel for shafts must meet strength, toughness, and durability needs. In this post, you’ll learn about top steel grades, key selection factors, and common shaft uses.

1018 vs 1045: Which Steel to Choose?
2026 / - 06 / - 03

Choosing between 1018 vs 1045 steel can be tough. Both have unique strengths and weaknesses. Picking the right steel affects your project’s success. In this post, you’ll learn the key differences, challenges, and how to select the best steel for your needs.

4140 Vs 42CrMo4: Key Difference
2026 / - 06 / - 01

Choosing between 4140 vs 42CrMo4 steel can be challenging. Both are strong, versatile alloy steels used widely. Understanding their key differences is crucial for optimal material selection. In this post, you’ll learn about their chemical makeup, mechanical properties, and best application uses.

Forging Vs Casting: Which Is Better?
2026 / - 06 / - 15

Are you torn between forging and casting for your manufacturing needs? Choosing the right method can make a significant difference in your project's success. In this article, we'll explore the definitions of both processes, their importance, and the various industries that rely on them. You'll learn which method suits your specific requirements best.

How to Choose the Right Alloy Steel
2026 / - 06 / - 17

Choosing the right alloy steel can feel overwhelming. With so many grades and properties, how do you know which one is best? In this article, we’ll explore the importance of selecting the right alloy steel, its unique properties, and common applications. You'll learn how to make informed decisions for your projects.

Common Steel Heat Treatment Methods
2026 / - 06 / - 23

Have you ever wondered how steel becomes stronger and more durable? Steel heat treatment is the key process that transforms ordinary steel into high-performance materials. In this article, we'll explore the definition of steel heat treatment, its importance in manufacturing, and the common methods used to enhance steel properties.

How To Improve Steel Wear Resistance
2026 / - 06 / - 24

Are you tired of equipment wearing out too quickly? Wear resistant steel could be the solution you need. This durable material plays a crucial role in various industrial applications, extending the lifespan of machinery and reducing maintenance costs.

Surface Hardening Steel: Quick Guide
2026 / - 06 / - 29

Have you ever wondered how steel components withstand extreme wear and tear? The answer lies in surface hardening steel. This process enhances durability, making steel ideal for demanding applications.

1045 Steel Properties And Mechanical Performance Comparison Guide
2026 / - 03 / - 17

You can find 1045 steel in many factories around the world. 1045 carbon steel is a type of medium-carbon steel. People also call it AISI 1045, C45, S45C, or 080M40. 1045 steel gives you good strength, toughness, and is easy to shape. If you pick 1045 carbon steel, you get a material that works for many things. It is important to know about 1045 steel because its features help you choose the right material for your project. 1045 carbon steel is known for its good mechanical performance. Many industries trust 1045 steel. Some common uses for 1045 carbon steel are:

8620 Steel: A Comprehensive Guide to Materials
2026 / - 04 / - 06

Why do so many gears, shafts, and wear parts still rely on 8620 Steel when buyers have so many alloy options? The answer is simple: few materials offer such a practical mix of surface hardness, core toughness, and machining flexibility at a reasonable cost.That is why 8620 Steel remains a common cho

The Complete Guide To 4140 Steel: Properties, Heat Treatment, And Uses
2025 / - 08 / - 12

For engineers and procurement specialists looking for a structural steel that combines high strength, toughness, wear resistance, and excellent heat treatment capabilities, 4140 steel offers a proven solution.

All About Tool Steel: Definition, Types, and Uses
2026 / - 04 / - 23

Meta Description: Learn what tool steel is, explore the main types of tool steel, and understand common uses, properties, and grades for industrial applications.IntroductionWhy do some tools stay sharp and stable in production, while others chip, wear out, or fail far too soon? In many cases, the an

4340 Alloy Steel: Uses, Composition, Properties
2026 / - 04 / - 03

Why do some critical parts survive years of shock and cyclic stress, while others fail far too early? In many cases, the answer starts with material choice. When engineers compare high-strength alloy steels for shafts, gears, landing gear, or other load-bearing parts, 4340 properties often put this

What Is AISI 4340 Steel?
2026 / - 04 / - 01

Why do some high-stress parts hold up under shock, fatigue, and heavy loads, while others fail much sooner than expected? In many cases, the answer starts with material choice, and 4340 Steel is one grade that often enters the discussion when strength and toughness both matter.If you have been askin

Chemical Composition of Steel
2026 / - 04 / - 13

What is steel really made of, and why can two grades that look similar perform so differently in welding, corrosion, or strength-critical applications? The answer starts with steel composition.At first glance, steel may seem simple. In reality, the chemical composition of steel determines far more t

4130 Steel Engineering Guide: Composition,Properties,Applications
2026 / - 04 / - 09

4130 Steel Engineering Guide: Composition, Properties, ApplicationsWhy does 4130 Steel remain a top choice in aerospace, motorsports, and industrial fabrication when so many metal grades compete for attention? The answer is not just strength. It is the way 4130 steel properties, weldability, machina

Hardness of Steel According to the Rockwell Scale (HRC)
2026 / - 04 / - 21

Meta Description: Learn how to read HRC values, use a steel hardness chart, and understand what Rockwell C hardness means for steel performance, selection, and comparison.Why can two steel parts look similar on paper, yet fail very differently in real use? In many cases, the answer starts with hardn

Mechanical Properties of Steel
2026 / - 04 / - 17

Meta Description: Learn the key mechanical properties of steel, including yield strength, tensile strength, hardness, ductility, and toughness, and how they affect steel selection.IntroductionWhy does one steel grade bend safely under load, while another cracks, wears out, or loses shape much sooner

Hunan Qilu Steel
Hot Forged, Hot Rolled, Cold Drawn Steel. Including all kinds of forging parts.
 

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