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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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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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