Alloy a193 b7 a194 2h washes kūpono kūpono no ka hoʻohanaʻana i ka lawelawe stesel subsel
ʻO B7 a me B7M e wela e wela e ka quenching i loko o ka wai wai a me ka huhū. No nā mea e nui ai B7m i ka mālamaʻana i ka wela wela,ʻo ia ka hanaʻana o ka hana inā mālamaʻia ma hope o nā hana āpau, a me nāʻano helu kuʻina.
Ke hilinaʻi nei i kāu mau koi koi ponoʻole, hiki ke hoʻohanaʻia nā helu B7 i nāʻano nui o nā kūlana koʻikoʻi. Hoʻokomoʻia kēia kiko'ī i nā mea pāʻani i manaʻoʻia no ka hoʻohanaʻana i nā moku ikaika, nā huaʻala, nā flangs, a me nā kūpono. ʻOiai,ʻike pinepineʻia kēia waiwai ma ka National Coarser (UnC) i nā noi Keʻikeʻiaʻo Astm A193 ma keʻano he'āpana o kahi waihona kālā ʻO kēia kiko'ī kiko'ī, astm astm A193, e komo pū ana i nā mea pāʻani i loaʻa i kahi kiko'ī maʻamau no ka belloy kila a me ke kila kila kila. ʻO ka mea i mālamaʻia i ka steel cheel cheel-molybdenum (Ka wai wai -50¡50 / a i 900¡Ã No 900