Prestasi Ppt nyebutake yen nggunakake baja Q355B kanthi jumlah gedhe. Sumber online nyatakake yen baja iki ora bisa nggayuh kekerasan 58-62 HRC sawise perawatan panas. Kepiye carane bisa dingerteni?
2025-11-05
A: Iki diraih liwat proses perawatan panas sing dioptimalake; Q355B bisa tekan kekerasan iki.
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