20Cr paipu kila maʻemaʻe ʻoleʻO ia kekahi o nā paipu kila hoʻoheheʻe ʻia me ka nui loa o ka hoʻopuka ʻana ma koʻu ʻāina a he nui nā mea hoʻohana.He helu kila maʻamau Kina GB 20Cr;Kepani JIS helu kila maʻamau SCr22;German DIN helu kila maʻamau 20Cr4;Pelekania BS kila maʻamau helu 590M17;Palani NF kila maʻamau helu 18C3;ʻAmelika AISI / SASTM helu kila maʻamau 5120;International Standards Organization ISO maʻamau kila No. 20Cr4.
Nā hiʻohiʻona
20Cr paipu kila'ano maika'i 'o ka hardenability, 'ano ikaika a 'o'ole'a.ʻO ka paʻakikī o ka ʻaila kinai i ka hapalua martensitic hardenability ʻo Φ20-Φ23mm.Ma hope o ka carburizing a me ke kinai ʻana i ka ʻili e hoʻoikaika ai i ka mālama ʻana, e loaʻa ka martensite maʻemaʻe e like me ke kui ma luna o ka ʻili o ka mold me ka paʻakikī o 58-62HRC;e loaʻa kahi hale martensite haʻahaʻa haʻahaʻa i ke kikowaena me ka paʻakikī o 35-40HRC.He kiʻekiʻe ka ikaika a me ka paʻakikī o ka matrix, a hiki ke hoʻokō i nā koi o ka hana o ka paʻakikī kiʻekiʻe, ka ikaika kiʻekiʻe, ka paʻakikī kiʻekiʻe a me ke kūpaʻa corrosion kūpono o nā hana anu.Hiki i ka Normalizing ke hoʻoikaika i ka spheroidization o ka hale, hoʻomaʻemaʻe i ka ferrite proeutectoid nui, a hoʻomaikaʻi i ka hana ʻoki ʻana o ka blank.
Hoʻohana
20Cr paipu kila maʻemaʻeHoʻohana nui ʻia no ka hana ʻana i nā ʻāpana carburized (ʻaila quenching) me nā koi ikaika kiʻekiʻe, ka lole o ka ʻili, nā ʻāpana cross-section ma lalo o 30mm, a i ʻole nā ʻano paʻakikī a me nā haʻahaʻa haʻahaʻa, e like me: nā mīkini pahu pahu pahu, nā pahu pahu, nā Cams, nā ilo, nā pine piston. , mau maiuu, a pela aku;no nā ʻāpana me ka liʻiliʻi liʻiliʻi o ka mālama ʻana i ka wela a me ke kūpaʻa lole kiʻekiʻe, pono e hoʻokō ʻia ka hoʻopau ʻana o ka ʻili kiʻekiʻe ma hope o ka carburization, e like me nā gears, shafts.20Cr paipu lauwilihiki ke hoʻohana ʻia i loko o ka moku'āina hoʻopau a me ka huhū e hana i nā ʻāpana e hana ana i nā wikiwiki kiʻekiʻe a kū i nā haʻahaʻa haʻahaʻa haʻahaʻa.Hiki ke hoʻohana ʻia e like me ka haʻahaʻa carbon martensitic quenching steel e hoʻonui hou i ka ikaika a me ka ikaika tensile o ke kila.
Ka manawa hoʻouna: Dec-19-2023