ʻAila kila AISI 4140 1.7225 42CrMo4 SCM440 B7
Wehewehe Pōkole:
ʻO ke kila kila AISI SAE 4140 kahi kikoʻī kila kila chromium molybdenum i hoʻohana nui ʻia i ke kila tensile kiʻekiʻe no nā ʻāpana, e like me nā axles, nā ʻauamo, nā bolts, nā kia a me nā noi ʻē aʻe.
Nā Pā kila kalapona:
ʻO AISI 4140, 1.7225 (42CrMo4), SCM440, a me B7 Steel Bar he mau inoa like ʻole no ke ʻano like o ke kila alloy. Ua ʻike ʻia lākou no ka ikaika kiʻekiʻe a me ka paʻakikī, i hoʻohana pinepine ʻia i nā noi e like me nā kia a me nā bolts. ʻO AISI 4140 ka inoa ʻAmelika, ʻo 1.7225 ke kūlana EN ʻEulopa, ʻo SCM440 ka inoa JIS Kepanī, a ʻo B7 e pili ana i kahi papa e kūlike ana i nā kikoʻī ASTM A193. Hōʻike kēia mau inoa i kahi kila alloy chromium-molybdenum me nā waiwai like, a ʻo ke koho e pili paha i nā kūlana ʻāina a ʻoihana paha.
Nā Kikoʻī o 4140 1.7225 42CrMo4 SCM440 B7:
| Papa | 4140 1.7225 42CrMo4 SCM440 B7 |
| Kūlana Maʻamau | ASTM A29, ASTM A193 |
| ʻIli | ʻEleʻele, Mīkini ʻAʻole Paʻakikī, Huli ʻia |
| Pae Anawaena | 1.0 ~ 300.0mm |
| Ka lōʻihi | 1 a 6 mika |
| Ka hana ʻana | Ua huki anu ʻia a ua wili ʻia Ua huki anu ʻia, ʻAʻohe kikowaena i wili ʻia a ua wili ʻia |
| Mea Hana Maka | POSCO, Baosteel, TISCO, Saky Steel, Outokumpu |
Nā Hiʻohiʻona a me nā Pōmaikaʻi:
•Ikaika Kiʻekiʻe: Hōʻike kēia mau kila kila i ka ikaika tensile kiʻekiʻe, e kūpono ana iā lākou no nā noi kahi e koʻikoʻi ai ka ikaika a me ke kūpaʻa.
•Paʻakikī: Hāʻawi lākou i ka paʻakikī maikaʻi a me ke kūpaʻa i ka hopena, e hiki ai iā lākou ke kū i nā ukana kaumaha a me nā pilikia ikaika.
•Ka Maʻalahi o ka Hana: ʻO AISI 4140, 1.7225, 42CrMo4, SCM440, a me B7 he mau metala like ʻole i kūpono no nā ʻano hana like ʻole, me nā kia, nā ʻūmiʻi, nā ʻauamo, a me nā ʻāpana kūkulu.
•Ke Kū'ē ʻana i ka ʻAʻahu: ʻO nā mea hoʻohuihui, e like me chromium a me molybdenum, e kōkua i ka hoʻomaikaʻi ʻana i ke kūpaʻa ʻana i ka ʻaʻahu, e hana ana i kēia mau kila kila i kūpono no nā noi i kau ʻia ma nā kūlana abrasive.
•Hiki ke hana mīkini: Loaʻa i kēia mau kila ka hiki ke hana mīkini maikaʻi ke mālama pono ʻia ka wela, e hiki ai ke hana i nā kaʻina hana mīkini maikaʻi i ka wā o ka hana ʻana.
•Weldability: Hiki ke hoʻopili ʻia, ʻoiai pono paha ka mālama ʻana i ka wela mua a me ka wela ma hope o ka hoʻopili ʻana e mālama i nā waiwai i makemake ʻia a pale i nā pilikia e like me ka brittleness.
Ka Hoʻohui Kemika:
| Papa | C | Mn | P | S | Si | Cr | Mo |
| 4140 | 0.38-0.43 | 0.75- 1.0 | 0.035 | 0.040 | 0.15-0.35 | 0.8-1.10 | 0.15-0.25 |
| 42CrMo4/ 1.7225 | 0.38-0.45 | 0.6-0.90 | 0.035 | 0.035 | 0.40 | 0.9-1.20 | 0.15-0.30 |
| SCM440 | 0.38-0.43 | 0.60-0.85 | 0.03 | 0.030 | 0.15-0.35 | 0.9-1.20 | 0.15-0.30 |
| B7 | 0.37-0.49 | 0.65-1.10 | 0.035 | 0.040 | 0.15-0.35 | 0.75-1.20 | 0.15-0.25 |
Nā waiwai mīkini:
| Papa | Ikaika Hoʻopaʻa [MPa] | ʻO Yiled Strengtu [MPa] | % Hoʻolōʻihi |
| 4140 | 655 | 415 | 25.7 |
| 1.7225/42CrMo4 | 1080 | 930 | 12 |
| SCM440 | 1080 | 930 | 17 |
| B7 | 125 | 105 | 16 |
Alakaʻi FAQ:
No ke aha e koho ai iā mākou?
•Hiki iā ʻoe ke loaʻa i ka mea kūpono e like me kāu koi ma ke kumu kūʻai haʻahaʻa loa.
•Hāʻawi pū mākou i nā kumukūʻai hoʻouna Reworks, FOB, CFR, CIF, a me ka puka a puka. Manaʻo mākou e hana ʻoe i kahi ʻaelike no ka hoʻouna ʻana i mea hoʻokele waiwai loa.
•Hiki ke hōʻoia piha ʻia nā mea a mākou e hāʻawi nei, mai ka palapala hōʻoia hoʻāʻo mea maka a hiki i ka ʻōlelo hope loa o ka dimensional. (E hōʻike ʻia nā hōʻike ma ke koi)
•Hoʻohiki mākou e hāʻawi i kahi pane i loko o 24 mau hola (maʻamau i ka hola hoʻokahi)
•Hāʻawi i ka hōʻike SGS TUV.
•Ua hoʻolaʻa piha mākou i kā mākou mea kūʻai aku. Inā ʻaʻole hiki ke hoʻokō i kāu mau koi ma hope o ka nānā ʻana i nā koho āpau, ʻaʻole mākou e alakaʻi hewa iā ʻoe ma ka hana ʻana i nā ʻōlelo hoʻohiki wahaheʻe e hoʻokumu ai i nā pilina maikaʻi me nā mea kūʻai aku.
•Hāʻawi i ka lawelawe hoʻokahi.
4140 vs 42CRMO4 - He aha ka ʻokoʻa?
ʻO AISI 4140 a me 42CrMo4 ke ʻano like o ke kila, ʻo AISI 4140 ka inoa ʻAmelika a ʻo 42CrMo4 ka inoa ʻEulopa. Loaʻa iā lākou nā ʻano kemika like, ka ikaika kiʻekiʻe, a me ka paʻakikī, e kūpono ai lākou no nā noi e like me nā kia a me nā bolts. ʻOiai nā inoa like ʻole a me nā kūlana ʻāina, ua manaʻo pinepine ʻia lākou he hiki ke hoʻololi ʻia ma muli o nā waiwai like.
He aha ke kila 42CrMo4?
ʻO 42CrMo4 kahi kila chromium-molybdenum i kapa ʻia e ke kūlana ʻEulopa EN 10083. Ua kaulana ia no kona ikaika kiʻekiʻe, paʻakikī, a me ka paʻakikī maikaʻi. Me ka nui o ke kalapona o 0.38% a i 0.45%, hoʻohana pinepine ʻia ia i nā noi e pono ai nā ʻāpana paʻa, e like me nā kia, nā crankshafts, a me nā koʻokoʻo hoʻohui i nā ʻoihana e like me ke kaʻa a me ka aerospace. Pane maikaʻi ke kila i ka mālama wela, e hāʻawi ana i ka hiki ke hoʻoponopono i nā waiwai mechanical, a ua manaʻo ʻia he like honua me nā inoa ʻē aʻe e like me AISI 4140 a me SCM440.
He aha ke kila papa B7?
ʻO ka Papa B7 kahi kikoʻī i loko o ke kūlana ASTM A193, kahi e uhi ana i nā mea hoʻopaʻa ikaika kiʻekiʻe no ka hoʻohana ʻana i ka lawelawe wela kiʻekiʻe a i ʻole ke kaomi kiʻekiʻe. ʻO ASTM A193 kahi kūlana i hoʻomohala ʻia e ASTM International (i ʻike mua ʻia ʻo American Society for Testing and Materials) a hoʻohana nui ʻia i loko o ka ʻaila a me ke kinoea, petrochemical, a me nā ʻoihana hana mana. ʻO ke kila Papa B7 he kila chromium-molybdenum haʻahaʻa-alloy i hoʻopau ʻia a hoʻomaʻamaʻa ʻia (mālama ʻia i ka wela) e hoʻokō i nā waiwai mechanical i makemake ʻia. He mea nui e hoʻomaopopo ʻia e hoʻohana pinepine ʻia ke kila Papa B7 me nā nati Papa 2H e hōʻoia i ka hoʻohālikelike a me ka hana i nā noi koi. Ke kuhikuhi ʻia, pono nā mea e hoʻokō i nā koi i hōʻike ʻia ma nā kūlana ASTM A193 a me A194 e hōʻoia i ka ikaika kūpono, ka ductility, a me nā waiwai mechanical ʻē aʻe.
ʻO kā mākou mau mea kūʻai aku
Nā Manaʻo Mai Kā Mākou Mea Kūʻai Aku
Hoʻopane maikaʻi nā kaola kila AISI 4140, 1.7225, 42CrMo4, SCM440, a me B7 i ka mālama wela, e ʻae ana i ka hoʻoponopono ʻana i nā waiwai mechanical e like me ka paʻakikī a me ka paʻakikī. Hōʻike kēia mau kaola kila i ka ikaika tensile kiʻekiʻe, e kūpono ai no nā noi kahi he mea koʻikoʻi ka ikaika. Hāʻawi lākou i ka paʻakikī maikaʻi a me ke kūpaʻa i ka hopena, e hiki ai iā lākou ke kū i nā ukana kaumaha a me nā pilikia ikaika. He maʻalahi nā kaola kila a loaʻa nā noi ma nā ʻoihana like ʻole, me ke kaʻa, aerospace, kūkulu ʻana, a me ka hana ʻana. Hāʻawi nā mea hoʻohuihui, e like me chromium a me molybdenum, i ka hoʻomaikaʻi ʻana i ke kūpaʻa ʻana i ka ʻaʻahu, e kūpono ai kēia mau kaola kila no nā noi i kau ʻia i nā kūlana abrasive.
Hoʻopili ʻana:
1. He mea nui loa ka hoʻopili ʻana, ʻoiai hoʻi i nā ukana o ka honua kahi e hele ai nā ukana ma nā ʻano like ʻole e hiki ai i kahi i manaʻo nui ʻia, no laila ke kau nei mākou i ka manaʻo nui e pili ana i ka hoʻopili ʻana.
2. Hoʻopili ʻo Saky Steel i kā mākou waiwai ma nā ʻano he nui e pili ana i nā huahana. Hoʻopili mākou i kā mākou huahana ma nā ʻano he nui, e like me,
