ʻO Hastelloy B2 kahi hopena paʻa i hoʻoikaika ʻia, nickel-molybdenum alloy, me ke kūʻē nui ʻana i ka hōʻemi ʻana i nā kaiapuni e like me ke kinoea hydrogen chloride, a me ka sulfuric, acetic a me ka phosphoric acid. ʻO Molybdenum ka mea hoʻohui mua e hāʻawi i ke kūpaʻa corrosion koʻikoʻi i ka hōʻemi ʻana i nā kaiapuni. Hiki ke hoʻohana 'ia kēia nickel kila kila i loko o ke kūlana like-welded no ka mea, e kū'ē i ka hoʻokumu 'ana o ka palaoa-palena carbide precipitates i loko o ka weld wela-weld zone.This nickel alloy hāʻawi maikaʻi kū'ē i ka hydrochloric acid i nā mea a pau a me nā mahana. Eia hou, ua kū maikaʻi loa ʻo Hastelloy B2 i ka pitting, stress corrosion cracking a me ka hoʻouka kaua ʻana i ka laina pahi a me ka wela. Hāʻawi ka Alloy B2 i ke kū'ē i ka waikawa sulfuric maʻemaʻe a me ka nui o nā waikawa non-oxidizing.
ʻAʻole i ʻōlelo ʻia ka Alloy B-2 no ka hoʻohana ʻana i ka pāpaʻi oxidizing a i ʻole ke alo o nā paʻakai ferric a i ʻole nā paʻakai kīʻaha no ka mea hiki ke hoʻokō i ka hiki ʻole o ka corrosion premature. Hiki ke ulu kēia mau paʻakai i ka wā e hui ai ka waika hydrochloric me ka hao a me ke keleawe. No laila, inā hoʻohana pū ʻia kēia huila me ka paipu hao a keleawe paha i loko o kahi ʻōnaehana i loaʻa i ka waika hydrochloric, hiki i ka loaʻa ʻana o kēia mau paʻakai ke hoʻopau i ka paʻakai. Eia kekahi, ʻaʻole pono e hoʻohana ʻia kēia mea hao nickel i nā mahana ma waena o 1000 ° F a me 1600 ° F ma muli o ka emi ʻana o ka ductility i loko o ka alloy.ʻO ka mānoanoa | 9.2 g/cm3 |
Lae hehee | 1370 °C (2500 ºF ) |
Ikaika U'i | Psi – 1,10,000 , MPa – 760 |
Ka ikaika o ka hua (0.2%offset) | Psi – 51000, MPa – 350 |
ʻO ka lōʻihi | 40 % |
Hastelloy B2 | |
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Ni | ʻO Bal |
Mo | 26 – 30 |
ʻO Fe | 2.0 ka nui |
C | 0.02 ka nui |
ʻO Co | 1.0 ka nui |
Cr | 1.0 ka nui |
ʻO Mn | 1.0 ka nui |
ʻO Si | 0.1 ka nui |
P | 0.04 ka nui |
S | 0.03 ka nui |