8620 cylinder barrel

Common raw materials

Forging display

CNC processing

SAE 8620 SAE 8620 -

20211119 · :. SAE 8620 、、,, HB 255max。. SAE 8620

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8620,,_:SAE8620?_86208620H_8620862…SAE 8620 - ASTM ARH8620H? - - ...•

【】,“”——8620

2020104 · 8620。. 2030,C11、C55

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:11

8620? -

202276 · . 8620H、;12CrNi3、,

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ASTM8620H_