Kahuna:20 kemela
Kūlana:GB / T 699-1999

nāʻano hiʻohiʻona
ʻOi aku ka nui o ka ikaika ma mua o 15 kila,ʻaʻole i ka nui o nā mea i hoʻopaʻaʻia a me ka paleʻana i ke aniani ʻano o nā'āpana paʻakikī e hoʻopili ai i ka cuck ma keʻano he kūlana match a iʻole ka hanaʻana i keʻano o ka hanaʻana i ka hana nui
ʻO ka kila kila kiʻekiʻe kiʻekiʻe kiʻekiʻe-carbon carbon-Carbon Card,ʻoi aku ka ikaika,ʻoi aku ka ikaika o ka makahiki he 355-500mpa, ellingation
Hiki i ka hana maʻamau ke hoʻolaha i ka spiteroid o ka kila, e hoʻoponopono i ka mea nui i ka ferrite ferrite, a hoʻomaikaʻi i ka hanaʻoki o nā blanks ma mua o 160hbs
Ke alaʻenehana o kaKukui KekuhiʻO nā'āpana make: ka mea kūʻai aku e ho'ōla ai i ka makeʻana i ka mīkini uila e hoʻopili ana i keʻano o ka pona

kinohi
C: 0.17% ~ 0.24%
Si: 0.17% ~ 0.37%
MN: 0.35% ~ 0.65%
S: 0,035%
P: 0.035%
CR: 0.25%
Ni: 0.25%
Cu: 0.25
waiwai waiwai
ʻO ka ikaika o ka B (MPA): ≥410 (42)
Hāʻawi i ka ikaika S (MPA): ≥245 (25)
ELUGANS 5 (%): ≥25
Kahi hōʻemi o nā'āpana'āpana (%): 55 a keu paha
Paʻakikī:ʻaʻole i mālamaʻia, i mālamaʻia, ≤156hb
Nā'āpana hoʻohālike: SEMPLE LOW: 25mm

ʻO kaʻike'ē aʻe

ʻO ka hōʻikeʻana wela

Pūnaewele Metallophic: Ferrite + Militate.
ʻO ka hana welao ka kila 20 a me ka queching paʻakikī o ka kila no. 20:
ʻO ka mālama wela o 20 kila: No ka 20 kila, hiki ke hoʻokō i ka paʻakikī nui o ka nui o ka nui o 30-35hrcc.becount i ka nui o ka wela.
1. Ma hope o kaʻikeʻana i ka machining, ua pau ka hana hana ma keʻano he nui o ka mālamaʻana i ka wā o 30-25hr a ma waho o ka pōʻai kaʻa, hoʻoponopono i ke kī.
2.ʻO ka machini likeʻole, i loko o ka lua ākea ākea a iʻole ka papa kuhikuhi helu helu helu (ma muli o ka nui o ka hana.
3. Carburizing a me ka quanching a me ka quanching
ʻO ke kaheʻana o ke kaʻina ka lua,ʻekolu a me ka hapa nui.
● Hoʻouna i ka moku'āina: Hoʻouna i kahi kūlana o ka wela wela a iʻole ka mālamaʻana i ka wela. Ināʻaʻole i hōʻikeʻia, e hanaʻia ka laweʻana me kaʻoleʻO ka mālama wela.