1. Hōʻikeʻike
440ʻO nā mea kila b mealeʻa e kū ana ma keʻano he mea paʻakikī loa i ka mea paʻakikī, paʻakikī, a me nā hiʻohiʻona kiʻekiʻe.
Me kahiʻano chromium o 17-19%, Hāʻawi ia i ke kū'ēʻana i ka paleʻana, ʻO ka politika maikaʻi loa, a me ka mālama kūʻokoʻa, e hoʻohālikelike ana i nā ala he nui i nā mea hele wāwae.
Hāʻawi kēiaʻatikala i kahi loiloi hohonu loa o ka ukiuki o 440b,
e nānā ana i kāna huiʻana, ʻO nā waiwai pilikino a me nā mīkini, ʻO nā kaʻina hana wela, nā mea kino kino, markinpalibility, nā noiʻenehana, a me nā mea e hiki mai ana.
2. Ka huiʻana o keʻano a me keʻano
ʻO keʻano o keʻano o ka mea kila 440B
440ʻO ke kila maikaʻiʻo B, Martelitic Statel Faelless Steel Motloy i hoʻolālāʻia no nā noi e pono ai i kahi kaulike o ka paʻakikī, E kāʻei i ke kū'ē, a me ke kū'ēʻana.
Ke pāʻani neiʻo ia i keʻano o keʻano i kahi kūlana koʻikoʻi i ka hoʻoholoʻana i kāna mau mea hana a me nā mea pilikino.
ʻO ka hui maʻamau maʻamau o 440b e like me kēia:
| Mua | Ka Hoʻolālā (%) | Hana |
|---|---|---|
| KālekaʻAʻI (C) | 0.75 - 0.95 | Hoʻonui i ka paʻakikī, E kāʻei i ke kū'ē, a me ka ikaika; Hāʻawiʻia i ka hoʻololiʻana ma Mardelitic i ka wā o ka mālama wela. |
| Chromium (Cr) | 17.0 - 19.0 | Hoʻopili i ke kū'ē kū'ē, hoʻomaikaʻi paʻakikī, a me nā kiʻi chromium carbiedes no ka paleʻana i ke kū'ē. |
| Mang kāne (Mn) | ≤ 1.0 | Hoʻomaikaʻi i ka paʻakikī a me ka paʻakikī i ke aʻoʻana i ka deoxidation. |
| Silikino (A) | ≤ 1.0 | Hoʻonui i ka ikaika ikaika a me ka hoʻohuliʻana; hana e like me ka deoxidizer. |
| Mybrideum (Mo) | ≤ 0.75 | Hoʻonui i ka ikaika, Hoʻopili i ke kū'ē kū'ē, a hoʻomaikaʻi i ka paleʻana i ke kū'ē. |
| Nickel (I) | ≤ 0.75 | Hāʻawi i ka paʻakikī a me ke kū'ēʻana. |
| Phoshorus (P) | ≤ 0.04 | Ka mea maʻamau i mālama haʻahaʻa i ka paleʻana i ka brittleness. |
| Sulfur (S) | ≤ 0.03 | Hoʻomaikaʻi i ka machinipalibility akā hikiʻole ke hōʻeha maikaʻi i ka paʻakikī. |
Role o nā mea nui
- Chromium (Cr) (17.0-19.0%)
ʻO ka chromium ka mea e wehewehe ana i nā mea kila kūponoʻole, E like me keʻano o kahi mea kūʻai aku i ka chromium, Hoʻopiliʻia ke kū'ēʻana.
'Ōlelo 17-19% ʻO nā kiʻi chromium i loko o 440b mau wahi e paʻa ai i ka māhele kila kila, Ma luna o ka 10.5% ʻO ka koi liʻiliʻi no nā mea kanu corrosione-resistant.
Hāʻawi kēia pae o ka chromium i ka 440b e pale i ka oxidation i nā lewa wela a me nā wahi hou. - Waiwai kolepa kiʻekiʻe (0.75-0.95%)
Ua hoʻohālikelikeʻia i nā kila'ē aʻe, 440B he mea nui loa o B, Ke hoʻoikaika nei aʻoi aku ka nui o nā lole.
Hiki i kēiaʻikepili ke kiʻekiʻe kiʻekiʻe kiʻekiʻe i ka 440b e hōʻea i nā kiʻekiʻe paʻakikī i 58 Hrc ma hope o ka mālamaʻana i ka hopena wela kūpono, Ke kūpono nei ia i nā noi e noi ai i ka mana o kaʻaoʻao a me ka wikiwiki.
Akā naʻe,, Hoʻonui hou ka carbon i ka paleʻana i ka pale corrosion e hoʻohālikelikeʻia i nā mea hele haʻahaʻa haʻahaʻa haʻahaʻa. - Mybrideum (Mo) a me nickel (I)
ʻOiai i kēia manawa i nā liʻiliʻi liʻiliʻi, ʻO ka molybdenuum lāuaʻo Nickel hou hou i hoʻonui hou i nā mea hoʻohana 440b.
Ua hoʻomaikaʻiʻo Molybdenumum i ka hoʻopiliʻana a me ka crevice corrosion coristion, ʻOiaiʻo Nickel hoʻonui i ka paʻakikī a hoʻomākaukau i ka brittle.
ʻO ka heluʻana o 440B kahi kila kūponoʻole
440B no ka Martesestic kila kohu ʻole ohana, ʻO kahi hui o nā huakaʻi iʻikeʻia no ko lākou ikaika kiʻekiʻe, hālulu, a kau aku i ka pale ma hope o ka mālama wela.

ʻAʻole e like me nā mea hele austenitic (e like me 304 a 316), ka mea e hilinaʻi ma Nickel no ka paleʻana o Corrosioni e kū'ē a me ka formability,
ʻO Martestitic nā mea e like me ka 440b i nā pae kiʻekiʻe kiʻekiʻe e hoʻokō ai i ka paʻakikī nui a me ka hoʻomauʻana.
Martiketic Stielless Steel Chat:
- Ikaika ikaika a me ka paʻakikī ma muli o keʻano o ka martike no ka mālama wela.
- Hoʻololi i ka paleʻana o ka corrosion maikaʻi, i loko o nā wahiʻoluʻolu a me nā wahi hou.
- Nā waiwai magnetic, Ke kūpono kūpono i nā noi noi e koi ana i ka clamping magnetic.
- ʻO ka paleʻana i ke kū'ē, Ke kūpono nei i nā mea hana eʻoki ai, Nā pahi, a me nā'āpana pololei.
3. ʻO nā waiwai pilikino a me nā mīkini o ka kila kila 440b
ʻO ka hoʻomaopopoʻana i keʻano o ke kino a me nā mea hana o ke kilati no 440B Instivalless Guilless Guelle.
ʻO nā waiwai pilikino o 440b stielless steel
ʻO nā mea pilikino o ka 440B e hāʻawi i kāna mau manawa, Kauhini, a me ka paleʻana i nā kumu kūlohelohe. Ma lalo nei he mea kiko'ī kiko'ī o kāna mau hiʻohiʻona koʻikoʻi:
| Waiwai | Waiwai | Mea nui |
|---|---|---|
| Huakai | 7.7 g / cm³ (0.278 lb / in³) | ʻO ka momona haʻahaʻa, ka hāʻawiʻana i kahi kaulike ma waena o ka ikaika a me ke kaumaha. |
| Ka HōʻaʻO Kokua | 15.9 W /(m · ALOHA Kina) | ʻO ka hoʻokaʻawale wela, mea nui no nā mea hanaʻokiʻoki a me nā mea paʻaʻole. |
| ʻO ka mana wela | 0.43 J / g · g · ° C | E hoʻoholo i ka noho wela wela a me ka mālamaʻana i ka wā o ka hanaʻana a me ka mālama wela. |
| ʻO keʻano o ka uila | ~ 600 Niω · m | ʻOi aku i mua o nā kinipōpō carbon, ke hoʻohālikelike nei i kāna hoʻohanaʻana i nā noi uila. |
| Ka maikaʻi o ka hoʻonuiʻana i ka | 10.2 × 10-° C (I 20-100 ° C) | Pono e noʻonoʻoʻia ka hoʻonuiʻiaʻana i nā noi e pili ana i nā loli wela. |
ʻO ka nānāʻana i nā waiwai kino
- Huakai: 440B he mea maikaʻi loaʻo B, Ke kūpono nei ia i nā noi i kahi e kaumaha ai ke kaumaha, e like me nā mea hana maʻamau a me nā mea lapaʻau lāʻau lapaʻau.
- Ka HōʻaʻO Kokua: ʻO kāna mau haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa e pili ana i ka wela e nānā i ke aniani i ke komoʻana i ka wā o ka macciing a iʻole nā noi, Hiki i ka mea e pili ana i ka hanaʻokiʻana.
- ʻO keʻano o ka uila: ʻOi aku kaʻoi aku o ka paleʻana ma mua o nā mea hao keleawe i hoʻohanaʻia ma nā noi uila akā he mea maikaʻi no ka hōʻemiʻana i ka galvanic corrosion i ka wā e hoʻopili ai me nā metala'ē aʻe.
- Ka hoʻonuiʻana: Ka maikaʻi o ka hoʻohanaʻana i ka expansion, No laila e noʻonoʻoʻia nā loli dimensional i ka wā e hoʻolālā ai nā'āpana i nā'āpana i nā loli like.
Nā mea iʻikeʻia o ka kila kila 440b
ʻO nā mea likeʻole o nā mea hoʻohana o 440B ka mea hoʻokūkū maikaʻiʻole e hana ai i kahi mea paʻakikī loa a me nā mea paʻaʻole.
Kona paʻakikī kiʻekiʻe a me ka ikaika eʻae iā ia e hana maikaʻi i kaʻokiʻana, hoao, a me nā noi komo.
| Waiwai | Waiwai | Mea nui |
|---|---|---|
| Hālulu (E like me ka haʻalele) | 53 - 58 Hrc | Hāʻawiʻo Hardness High Scelust i nā mea maikaʻi loa e pale ai i ke kū'ēʻana. |
| Ikaika ikaika | ~ 134.1 ksi (~ 925 mpa) | Uaʻaeʻia nā waiwai nui o nā densile e like me keʻano mechanical kiʻekiʻe. |
| Ka ikaika | ~ 80 ksi (~ 550 mpa) | Hiki ke mālama i nā ukana koʻikoʻi ma mua o ka wā e kū mau ana ka deformation. |
| Ewangantion | ~ 10 - 12% | Hāʻawiʻo Ellongation i kekahi mau mea, ʻOiai e kaupalenaʻia e hoʻohālikelike i nā mea kanu austetetitic. |
| Modulus olasticity (Modulus'ōpiopio) | 200 GPA (31.183 Ksi) | E hōʻike i kaʻeha a me ke kū'ēʻana i ka deformation ma lalo o ke kaumaha. |
| Hopena paʻakikī | Loli | Hāʻawi i nā mea paʻakikī no nā noi hana no ka haʻahaʻa ma mua o nā kinikini kūlohelohe ma muli o kona mau kinipōpō kiʻekiʻe. |
ʻO ka nānāʻana i nā kumuwaiwai
Paʻakikī a hoʻopaʻa i ke kū'ē
ʻO kekahi o nāʻano weheweheʻana o 440b ka mea kila kila ʻO paʻakikī paʻakikī (53 - 58 Hrc) Ma hope o ka hoʻomaʻamaʻa wela kūpono. Hana maikaʻi kēia waiwai:
- ʻOkiʻana i nā hana hana
- Nā moa moa
- Nā Kūlana Pali
- Nā'āpana papa
Tissile a hāʻawi i ka ikaika
Me a ʻO ka ikaika o ka maka 134.1 Ksi (~ 925 mpa) a a ka ikaika o ka a puni 80 Ksi (~ 550 mpa), 440B e hāʻawi aku i ke kū'ēʻana i keʻano mechanical sums.
Hāʻawi kēia iā ia i nā ukana kiʻekiʻe ma nā noi e like me:
- ʻO Aerospace a me AutoMottive
- Nā wahi mīkini kiʻekiʻe loa
- Nā mea hana hana e koi ai i ka ikaika a me ka nui
Ductility a me formabitility
ʻOiaiʻaʻoleʻo 440Bʻaʻole like me Ductile e like me Austenitic Stickless Geels, ia ewangation o 10-12% hoʻolako i kekahi kiʻekiʻe o ka formability.
Akā naʻe,, Hiki i ka deformive deformation ke alakaʻi i ka hoʻopunipuni, maʻamau ma nā hana hana anu. ʻO kēia ka mea e kūpono ai i nā noi no nā noi e koi ana i ka hoʻololi nui a iʻole ke kūlou.
Modulus olasticity (Stiffness a me ka wikiwiki)
'Ōlelo modulus olasticity (200 GPA a iʻole 31.183 Ksi) e hōʻike ana i ka paʻakikī o keʻano a me ke kū'ēʻana i ka deformation ma lalo o ke kaumaha.
Ke mālama nei kēia i ka 440B i konaʻano ma lalo o nā ukana mechanical, ʻO ia ka mea nui no nā'āpana e koi ai i ka paʻa o ka dimensional ma mua o ka manawa.
Ka hopena paʻakikī a me keʻano brittle
ʻOiai he 440b hōʻike ʻO ka hopena maikaʻi loa, ʻO kona mauʻike kiʻekiʻe e hana ai oi aku nui brittle ma mua o nā mea kilokilo haʻahaʻa haʻahaʻa.
Hoʻopili kēia i kona kūpono no nā noi e pili ana i ka hopena o ka hopena a iʻole nā shock shock.
Hana maikaʻi ia i nā wahi i hoʻopaʻaʻia akā ua emi iki ka paleʻana i ka ikaika i hoʻohālikelikeʻia e like me nā mea hele mai 420 a iʻole i nā mea pāʻani a nā mea hana i hoʻohuiʻia me nā mea paʻakikī e hoʻonui i nā mea.
Ke hoʻohālikelike nei i ka 440b me nā mea kanu nani o MartItic
E hoʻomaopopo hou i ka hana maʻamau o 440B, He mea kūpono ke hoʻohālikelike iā ia me nā mea kanu'ē aʻe:
| Waiwai | 440A | 440Na B | 440C | 420 |
|---|---|---|---|---|
| KālekaʻAʻI (%) | 0.60 - 0.75 | 0.75 - 0.95 | 0.95 - 1.20 | 0.15 - 0.40 |
| Hālulu (Hrc) | 50 - 56 | 53 - 58 | 58 - 60 | 48 - 52 |
| Ikaika ikaika (Ksi) | ~ 108 | ~ 134 | ~ 148 | ~00 |
| E kāʻei i ke kū'ē | Loli | High | Kiʻekiʻe loa | Hoʻohaʻahaʻa |
| Ke kū'ē neiʻo Corrosionion | ʻOi aku ma mua o 440b | Loli | Haʻahaʻa ma mua o 440b | High |
| Markinpalibility | Maikaʻi loa | Loli | Paʻakikī | Maikaʻi loa |
| Paʻakikī | Loli | Loli | Haʻahaʻa ma mua o 440b | High |
4. ʻO nā kaʻina hana wela
Annalile
Ua piliʻo Anealing 440b i nā mea e hōʻeha maikaʻi i ka mea i waena o 1550 ° F a me 1600 ° F (843-871° C) ukaliʻia e ka laweʻiaʻana, lohi i ka ho'ōlaʻana i kahi umu.
Hoʻomanaʻo kēia kaʻina hana i nā kaumaha kūloko a hoʻomaikaʻi i ka machinability me kaʻole o ka'ālanaʻana i ke kū'ēʻana.
Kaumaha kaumaha
E hōʻemi hou i nā kaumaha kūloko, 440Ua haʻi pinepineʻiaʻo B (650° C) no ka 1-2 hola ma mua o ka lohiʻana.
He koʻikoʻi kēiaʻano hana no ka hōʻoiaʻana i ka paʻaʻana o ka dimensional i nā noi kūpono.
ʻO ka huhū a me ka hoʻowalewale
Hāʻawiʻia i konaʻike kiʻekiʻe kiʻekiʻe, 440B e pono e makaʻala e pale aku i ka pīhoihoi; Ua paleʻia ka wai wai o ka wai e pale i ka paleʻana a iʻole ke kauaʻana.
', Hoʻohanaʻia nā mea hou aʻe. A laila e laweʻia ka huhū ma 300-350 ° F (149-177° C)
No ka liʻiliʻi ma kahi o hoʻokahi hola e pale ai i ka paʻakikī me ka paʻakikī, Ma laila e nānā ana i ka hana a ka cerael i kāna noi hope loa.
Hopena ma Microstocture
Ua hoʻololi kēia mau kaʻina hana wela e hoʻololi i ka microstructure o ka chelt, e hoʻonui ana i kona paleʻana, Mālama paʻa, a me ka hana ma mua.
ʻO ka hopena kahi mea e hoʻokō ai i nā koi koi o nā noi kiʻekiʻe o ke kiʻekiʻe e mālama ana i ka lōʻihi.
5. Nā hana kino a me nā hana e hoʻopau ai
Hoʻonui hou nā mea hana i ka hana a me ka lōʻihi o ka hana a 440B no ka mea kilati:
E hoʻolauna a me ka nitriding
Hoʻokuʻuʻia ka mea kūʻai aku i ka haoʻole mai ka papa, Ma hope o ka hoʻomaikaʻiʻana i ke kū'ēʻana.
Nitriding E hoʻolauna i ka nitrogen i loko o ka papa'āina, ka hoʻonuiʻana i ka paʻakikī a hoʻopaʻa i ke kū'ē, ʻo ia ka mea e pono ai no nā mea pili i nā mea i pili i ke kiʻekiʻe kiʻekiʻe.

ʻO PVD / CVD CHATD
ʻO keʻano o keʻano o keʻano o keʻano o ke kumu kūʻai kālā, ʻO nā pale pale pale e hoʻoikaika i ka paʻakikī, hoʻemi i ka friction, a hoʻomaikaʻi hou i ke kū'ē.
He koʻikoʻi kēia mau lole i ka hoʻonuiʻana i ke ola lawelawe o 440b i nā kūlana hana harsh.
ʻO ka panaʻana
Ua hoʻopiliʻo Souen i nā hopena kiʻekiʻe i ka wikiwiki, ke koi nei i nā kaumaha koʻikoʻi e hoʻomaikaʻi i ke ola momona a pale aku i ke kaumaha kaumaha.
ʻO kēia kaʻina hana he mea nui no nā'āpana e pili ana i ka cyclic cyclic a me nā kūlana kiʻekiʻe.
ʻO ka hopena o ke kaʻina hana
Huiʻia, ʻAʻole e hoʻonui waleʻia kēia mau hana i ka ola o ka lawelawe a me ka hoʻonuiʻana i kāna hoʻopiʻi Aesthetic, Ke hana nei i ka 440B kūpono no nā noi a me nā noi.
6. ʻO ka machninability a me nā noʻonoʻo noʻonoʻo
ʻO kaʻike matchinability
ʻO ka Macinability o 440B ka mea e like me ka mea kila kila e like me ke kila kiʻekiʻe e pili ana i konaʻike kiʻekiʻe.
ʻOiai e hiki i kona paʻakikī ke hōʻike i nā pilikia machini, ʻO nā mea hana kūpono kūpono a me nā koho i kohoʻia e hiki mai ana i nā papa hana kūpono e hiki ai ke wehe.
ʻO nāʻenehana machining
ʻO nā kaʻina hana ma muli o nāʻano hana likeʻole e like me Cnc huli a Edm ua hana pinepineʻia e hoʻokō i nā'āpana kiʻekiʻe-pololei mai 440b.
E hoʻohana ana i nā manaʻo kūikawā i ka hoʻohanaʻana i nā mea luku chip a mālama i nāʻokiʻoki a me nā uku e hānai pono ai.

Nā pono e pono ai a me nā kaʻina hana
E hōʻemi i nā pilikia e like me ka pae'āina, ʻO nā mea hana hana i nā mea hana i nā mea hana a me nā hoʻolālā kūpono.
Kaʻina hana, me ka hoʻoponoponoʻana i ka hoʻoponopono hoʻoponopono a me ka nānā ponoʻana, Kōkua i ka hōʻemiʻana i nā mea hana e komo ai a hoʻokō i nā'āpana maʻamau.
7. Nā noiʻenehana
440Loaʻa nā mea kūʻai akuʻo B StAinless:
Nā Hana Kūʻai
ʻO kāna pale lole kiʻekiʻe a me nā politika maikaʻi loa e hana i ka nui o 440B kūpono no ka hanaʻana i nā'ōmole i hoʻohanaʻia ma ka machini.
ʻO nā mea hana olakino a me nā mea lapaʻau
Ma muli o kona hiki ke hoʻopaʻaʻia me kaʻole o ka hōʻino, 440B ka mea i hoʻohana nuiʻia no ka hanaʻana i nā mea hana a me nā mea hana niho.
ʻO kāna mau papa loiloi kiʻekiʻe a me ka pololei i hāʻawiʻia i ka hana o nā pono olakino kiʻekiʻe.
Mea hana aʻokiʻoki i nā mea hana
440B mau mea e like me kahi mea i kohoʻia no nā mea pāʻani hāmeʻa maʻamau i nā wahi kiʻekiʻe. ʻO kona mau hana a me ka paʻakikī e hana kūpono ia no ka hanaʻana i nā mea hanaʻokiʻoki, make, a me nā mea hana pilikino'ē aʻe.
Nā noi hou
Nāʻoihana e like me Aerospace, aitompetitive, a he pōmaikaʻi nā huahana huahana
mai ka hana o 440B, i nā noi e koi ai i kahi hui o ka ikaika, 'Clelo pololei, a me ka maikaʻi loa.

8. Loaʻa a me nā hemahema o ka kila kila 440b
Ma lalo, Ua hana mākou i loko o nā mea pono a me nā hemahema o ka 440b stielless steel, Ke hāʻawi nei i kahi loiloi pahuhopu e kōkua i nā mea hana a me nā meaʻenehana e hōʻike i nā koho waiwai.
Loaʻa
Ke kū'ē neiʻo Corrosion Corrosiotion:
Mahalo i kānaʻano chromium o 17-19%, 440Ua hoʻomohalaʻo Btielless Steel i kahi'āpana o ka'āpana.
Hoʻopili nui kēia pale pale pale i kona paleʻana i ka corrosion i loko o nā wahi mika, Nā mea waiwai, a me ka nui o ka wai wai.
Kahi, uaʻoi aku ia i ka 10.5% Ponoʻo Chromarium i ka papa inoa o ka papa inoa, hōʻoiaʻiʻo i ka hilinaʻi i nā kūlana kūpono.
ʻO ka paleʻana a me ka paʻakikī:
440B hōʻike i kahi paʻakikī paʻakikī o 53-58 HRC a me nā helu a 6 i waho o 6 ma ke kāʻei pale pale.
ʻO kēia mau waiwai e hāʻawi i ka mālamaʻana i ka mālamaʻana a me ka nui, Ke hana nei i ka 440B i kūpono no nā noi kiʻekiʻe e like me keʻokiʻana i nā pono hana, Nā'Upō, a me nā mea hana kūpono.
ʻO kāna hana pinepineʻana i nā'ōuli o nā mea hele wāwae, Hāʻawiʻia nā hopena kūpono i nā wahi i kahi o nā wahi i loaʻa ke koʻikoʻi.
ʻO ka polū maikaʻi loa a me nā hoʻopiʻi Aesthetic:
ʻO ka hiki ke hoʻohuiʻia ka Alloy i kahi uku kiʻekiʻe kiʻekiʻe o ka maikaʻi loa i nā noi e pili ana i nā noi i kahi e hana ai nā hana a me nāʻano likeʻole.
ʻO kēia hiʻohiʻona he waiwai nui loa i ka hanaʻana o nā mea hana o nā mea kūʻai aku a me nā huahana kūʻai, Ma kahi o Aesthetics a me ka maikaʻi o ka maikaʻi o ka paramika.
Ikaika ikaika:
Me ka ikaika o ka tensile ma kahi o 134.1 ʻO Ksi a me kahi modulus'ōpio a puni 200 GPA, 440B e hāʻawi i nā waiwai mechanical.
Mālama kēia mau helu i hiki i nā mea ke kū i ke kino kiʻekiʻe, Ke kūpono nei i nā mea kūpono i nā mea noi i nā noi noi e like me Aerospace a me nā kaʻa kaʻa.
Loaʻa nā hemahema
ʻO ka hana kūpono:
ʻOiaiʻo 440b e hāʻawi maikaʻi loa i ka paʻakikī a me nā pale pale, hoʻohaʻahaʻa kona mau kuʻuna kiʻekiʻe i kona hana anuanu.
Ke nānā nei ka waiwai i ka pae o ka papa ma ka wā o nā kaʻina hana anuanu, Hiki i ka mea e pili ana i nā waiwai Mechanical hope loa ināʻaʻole i kāohi ponoʻia.
Nā Kūlana Kūlana:
Ma muli o kāna paʻakikī paʻakikī, hiki i ka machining 440b hiki ke hōʻoia hou aku i nā mea paʻakikī i hoʻohālikelikeʻia i nā mea hele haʻahaʻa haʻahaʻa haʻahaʻa.
Pono ka waiwai e koi i nā mea hanaʻokiʻoki e like me nā mea i hoʻopiliʻia me nā mea i hoʻopiliʻia e nā lole ma mua e pale aku ai.
ʻO kēia mau hopena paʻakikī i nā uku kiʻekiʻe e hana i nā kumukūʻai kiʻekiʻe a me nā manawa hou.
Nā palena ma lalo o nā kūlana koʻikoʻi:
ʻOiaiʻo 440b e hana i nā mea hoʻonaninani maikaʻi loa i loko o nā wahi o keʻano maʻalahi, Hiki i kona hana ke hōʻemi i nā kūlana kiʻekiʻe loa a iʻole nā kūlana kūlike.
I kēlā mau hihia, Nā koho'ē aʻe e like me nā mea hoʻokūkūʻo Austevitic, ʻO kahi e hoʻonuiʻia ai ka ductitity i hoʻonuiʻia a me ke kū'ēʻana.
ʻO nā uku uku kūʻai kiʻekiʻe kiʻekiʻe:
ʻO ka pono no ka mālama wela wela a me nā hana e hoʻopau ana i nāʻenehana, e like me ka nitriding a me pvd / cvd coatings, hiki ke hoʻonui i ka uku o ka hoʻoili nuiʻana o 440b.
ʻOiai ua hoʻonuiʻia kēia mau hana i kāna hana a me ka lōʻihi, Hāʻawi lākou i nā uku uku kiʻekiʻe, e pono ai e hilinaʻi i nā pono o nā mea waiwai.
9. Hopena
440ʻO Btielless Steel e hōʻike i kahiʻano kūʻokoʻa o ke kū'ēʻana, hālulu, a me nā mea hoʻopiʻi Aesthetic.
ʻO kāna mau chromium kiʻekiʻe a me nā mea i hiki ke hoʻihoʻi i nā mea kila kila e like me nā waiwai e like me nā mea nui e pono ai, nā mea kani, a me nā mea hana kūpono.
ʻOiaiʻo ka hanaʻana a me ka hoʻomaʻamaʻaʻana i nā pilikia he 440B Pose ma muli o kona paʻakikī kiʻekiʻe a me konaʻano i ka hana anuanu,
Hiki ke hoʻololiʻia kēia mau mea i nā lāʻau wela wela, Aloankiding, a me nā hana maikaʻi o ECO-Friend.
E like me ka hanaʻana i nāʻenehana Tigital a me nā hana kūpono e hoʻomau ai, 440ʻO BSALIE WELIʻO BEPEEL i kauʻia
e noho i kahi mea i koho no ka kiʻekiʻe, ʻO nā palapala hana kiʻekiʻe ma waena o nāʻoihana liʻiliʻi.
Nā mea hana e hoʻopuka ai i ke kaʻina hana innvavative a me nāʻano hana lapaʻau e hiki ke hoʻonui i nā waiwai o 440b,
e hōʻoia ana i ka lōʻihi lōʻihi, ʻO nā mea kiʻekiʻe kiʻekiʻe e hoʻokō ai i nā koi koi o ke kumukūʻai hoʻokūkū o kēia lā.
Ināʻoe eʻimi nei i nā kiʻekiʻe kiʻekiʻe o 440B, ke koho ana ʻO kēia ʻO ka hoʻoholo kūpono loa no kāu hana hana.



