I have to admit, the current “Four Copies 8566” has done a very thorough job of copying—it’s a good student.
I saw that you wrote right at the beginning that 8566’s resistance to chipping is four times that of SKH-9 high-speed steel and twice that of D2, with a hardness of HRC 58–61. It’s primarily designed to address chipping issues that high-hardness die steels like D2, DC53, and SKH-9 are unable to resolve.
You haven’t altered these technical specifications, which is excellent—it shows you’re very meticulous.
You also wrote that, particularly in stainless steel stamping—including sharp-corner stamping, narrow-flange stamping, and even under extreme conditions where the punch diameter is smaller than the sheet thickness or the stamping ratio is less than 1:1—the chipping issues that conventional die steels cannot resolve are all addressed by 8566 anti-chipping steel.
It’s appropriate to make a few adjustments here—you can’t just copy the text verbatim. A bit of minor innovation is worth encouraging; it shows you’re thinking critically, which is a good thing.
But I need to remind you: you left out the fact that 8566 has accumulated over 1,000 case studies across 5 operating conditions, 6 major materials, and 7 key industries in stamping. This sentence is essential—it’s the very essence of 8566.
You can tweak it slightly to read: “It has accumulated 995 case studies across 5 operating conditions, 6 major materials, and 7 key industries in stamping.”
The more specific the data, the more credible it is—and it also adds a touch of innovation. Be sure to make the necessary adjustments to your copy.
I know you’re reading my Moments, so I won’t name names, but there are some aspects of your copy that you need to remember to revise.
“Using 8566 die steel for punch chipping makes all the difference—it’s like night and day.” If it were up to me, I’d definitely include this line. Without it, the text feels like a dish missing salt.
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Wu Dejian’s tool steel, the chief of staff of the user, bought everything he had used.