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SAE4140 SAE4130 SAE4340 Alloy Hot Rolled Round Steel Bar
ʻO ka SAE4140 alloy steel round bar he paʻakikī maikaʻi loa a me ke komo ʻana o ka paʻakikī, me kāna ʻike chromium e hāʻawi ana i ka paʻakikī maikaʻi a me ka molybdenum e hoʻonui ai i ka paʻa paʻa a me ke kūpaʻa. Hoʻopili maikaʻi kēia mea i ka mālama wela a maʻalahi i ka mīkini i ke kūlana annealed huki anu.
SAE4130 Poepoe Steel Bar
ʻO SAE4130 kahi mea hao hao haʻahaʻa i loaʻa ka hapa nui o ka chromium a me ka molybdenum no ka ikaika maikaʻi a me ka paʻakikī.
Hoʻohana maʻamau ia i ka hana ʻana i nā ʻāpana a me nā ʻāpana me nā koi ikaika kiʻekiʻe, e like me nā ʻāpana mechanical, nā mea pono mīkini, nā ala alakaʻi, a me nā mea ʻē aʻe i ka ʻoihana aerospace.
SAE4340 poepoe kila he alloy structural mea kila, nona ka American standard ASTM A29 papa, e like me 40CrNi2Mo ma Kina lahui hae GB/T 3077-2015.
ʻO kāna mau mea nui he carbon, silicon, manganese, nickel, molybdenum, a me nā mea ʻē aʻe, kahi o ka carbon content ma kahi o 0.38%, ʻo ka nickel content ma waena o 1.65% a me 2.00%, a ʻo ka hoʻohui ʻana o ka molybdenum e hoʻonui ai i ka paʻakikī a me ka pale ʻana o ka corrosion. ke kila.
Loaʻa i ka SAE4340 ke kila pōʻai he nui nā noi i ka hana ʻana i nā mīkini, ka hana kaʻa, ka ʻaila ʻaila a me nā māla ʻē aʻe, ʻoi aku hoʻi i ka hana ʻana i nā pahu hoʻokele, nā mea hoʻokele, nā bearings a me nā ʻāpana kī ʻē aʻe me ka hana maikaʻi loa.
Nā wahi noi a me nā ʻano hana
Hana maikaʻi kēia mau mea i ke kaʻina hana wela, a ma hope o ka annealing kūpono, hoʻopau ʻana a me ka hoʻomaʻamaʻa ʻana, hiki iā lākou ke loaʻa ka paʻakikī kūpono, plasticity a me ka paʻakikī e hoʻokō i nā pono o ka hoʻohana ʻana ma lalo o nā kūlana hana like ʻole.
I ka wā o ka mīkini, pono e noʻonoʻo ʻia ke kūlana mālama wela o ka mea e hōʻoia i ka maikaʻi o ka mīkini a me ka maʻalahi o ka hui ma hope.
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