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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.
