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11/ 28/ 2025
Qilu Successfully Delivers Premium 1045 Carbon Steel Materials To The South American Market
We are pleased to announce the ongoing successful supply of multiple containers of 1045 carbon steel round bars to our valued customers in the South American market on a monthly basis.
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01/ 07/ 2026
Qilu Metal Delivers 4140 Steel Round Bar To Australia Successfully
We have dispatched 15.444 tons of 4140 round bar to Australia.This shipment demonstrates our commitment to excellence and precision in every aspect of our operations.
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09/ 30/ 2025
How To Classify The ASTM Tool Steel?
We know ASTM tool steel start from letter, such as H12, A2, D2, O2, S7, L2, F2 and P20 etc, do you know how to classify them? What’s the difference among them?1: Hot work tool steels, Identification H:1): Types H10 to H19 are characterized by a controlled chromium content along with other alloying e
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09/ 09/ 2025
What's The Difference of 440A And 440C Stainless Steel
The Key Differences Between 440A and 440C Stainless Steel 440A and 440C are both belong to 440 stainless steel series, they come from America steel standard ASTM A276, and they are known for high hardness and wear resistance. The primary variance between 440A and 440C lies in their carbon (C) that d
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07/ 24/ 2025
ASTM 420 Stainless Steel Equivalent
ASTM 420 is a martensitic stainless steel defined by ASTM A276/A276M, it can be equivalent with 2Cr13 3Cr13 and 4Cr13 according to different carbon content. After reading this artical, you can choose the different equivalent steel based on different usage. This artical also tell you the chemical composition, mechanical properties and application of ASTM 420 stainless steel.
06/ 04/ 2024
What Is The Difference between Iron And Steel?
In daily life, we often confuse steel and iron as a concept and regard them as the same product. In fact, steel and iron are different products. So, what is the difference between iron and steel? Steel is a general term for iron-carbon alloys with a carbon content of 0.02% to 2.11% by mass.
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05/ 17/ 2024
Does Stainless Steel Rust?
Stainless steel is a steel alloy that contains a minimum chromium content of 10.5%. The chromium reacts with the oxygen in the air and forms a protective layer that makes stainless steel highly resistant to corrosion and rust. At the moment, there are over 150 varieties of stainless steel in the market.
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05/ 16/ 2024
What Is The Difference Between Round Steel And Rebar?
Steel bars and rebars are both long, straight pieces of steel that are regularly utilized in Construction and other purpose. But they have a few Important key differences. Some of them are listed below: 1、USES: A Rebar is also known as a Reinforcing Bar. Rebars are generally used in reinforced concrete structures. Its main objective is to give concrete more tensile strength, which will strengthen and reinforce the material. Rebar is frequently utilized in the building of concrete buildings such as walls, columns, and foundations.
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