I kēia mau lā, ua hoʻopuka maikaʻi ʻo Botop Steel i kaʻO ASTM A106 Grade B nā paipu kila ʻolei hoʻopaʻa ʻia e kahi hui nānā ʻekolu (TPI).
He mea pono e hoʻomaopopo i kēia mea kūʻai i kau i nā kauoha he nui no kēia huahana i loko o ka makahiki, e hōʻike piha ana i ko lākou ʻike ikaika a hilinaʻi i ka maikaʻi a me ka lawelawe i hāʻawi ʻia e Botop Steel.
ʻIkepili Pāhana:
Ka helu kauoha: BT20250709A
Mea: ASTM A106 Grade B Seamless Steel Paipu
Nui: 12", 18", 20", 24"
Huina Kaumaha: 189 tona
Nā Mea Nānā TPI: Nā hiʻohiʻona, nā ana, ka haku mele, nā waiwai mechanical, a me ka hoʻāʻo ʻole luku.
Moʻolelo Nānā Hoʻohui Kimia
| ASTM A106 Papa B | Ka Hui Kimia, % | |||||||||
| C | Mn | P | S | Si | Cr | Cu | Mo | Ni | V | |
| Nā Koina maʻamau | 0.30 ka nui | 0.29-1.06 | 0.035 ka nui | 0.035 ka nui | 0.10 min | 0.40 ka nui | 0.40 ka nui | 0.15 ka nui | 0.40 ka nui | 0.08 ka nui |
| Nā hualoaʻa maoli | 0.22 | 0.56 | 0.005 | 0.015 | 0.24 | 0.19 | 0.007 | 0.0018 | 0.015 | 0.0028 |
Mooolelo Nana Pono Mechanical
| ASTM A106 Papa B | Na Waiwai Mechanical | |||
| Ikaika U'i | Ka ikaika hua | ʻO ka lōʻihi (longitudinal) | Ho'āʻo Kulou | |
| Nā Koina maʻamau | 415 MPa min | 240 MPa min | 30 % min | ʻAʻohe māwae |
| Nā hualoaʻa maoli | 470 MPa | 296 MPa | 37.5% | ʻAʻohe māwae |
Ma keʻano he mea hoʻolako paipu kila maʻemaʻe ma Kina, ua hoʻolaʻaʻiaʻo Botop Steel i ka hāʻawiʻana i nā hoʻonā paipu kila kiʻekiʻe i nā mea kūʻai ma ka honua holoʻokoʻa. Inā no nā huahana maʻamau a i ʻole nā koi maʻamau, ua paʻa mākou i ka hāʻawi ʻana i kahi ʻike lawelawe i hoʻohālikelike ʻia a ʻoluʻolu.
Welina mai e leka uila iā mākou e aʻo hou e pili ana i ka ASTM A106 Grade B paipu kila ʻole a me nā manawa hana.
Ka manawa hoʻouna: ʻAukake-08-2025