Tengani 95% Kuchotsa Pogwiritsa Ntchito Coupon
Makuponi achitsulo a AISI-1020 adagwiritsidwa ntchito ndi pafupifupi 1 cm 2 pamtunda wonse. Mankhwala a makuponi anali C = 16%, Mn = 0.63%, P = 1.2%, S = 3.1%, Si = 1.2%, Cu = 1%, Cr = 3%, ndi Ni = 1%. Makuponiwo anali opangidwa ndi mchenga pogwiritsa ntchito sandpaper yachitsulo, ndikuchepetsa pang'onopang'ono kukula kwa tirigu, kuti ayeretse zonse zophimba.
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