E kiʻi iā 95% Off ma ka hoʻohana ʻana i ka coupon
Ua hoʻohana ʻia nā coupons kila AISI-1020 me kahi 1 knm 2 o ka ʻili āpau. ʻO ka hui kemika o nā coupons he C = 16%, Mn = 0.63%, P = 1.2%, S = 3.1%, Si = 1.2%, Cu = 1%, Cr = 3%, a me Ni = 1%. Hoʻopili ʻia nā kuponi me ka pepa metala, me ka hoʻohaʻahaʻa ʻana i ka nui o ka palaoa, no ka hoʻomaʻemaʻe piha ʻana i ka mea uhi.
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