347H paipu wiliwili kila kila
Alloy 347H mea he stabilized, austenitic, chromium kila i loko o ka columbium e hiki ai no ka hoopau ana i ka carbide precipitation, a no laila, intergranualr corrosion.Hoʻopaʻa ʻia ʻo Alloy 347 e ka hoʻohui ʻana o ka chromium a me ka tantalum a hāʻawi i nā waiwai ʻoi aku ka nui o ka creep a me ke koʻikoʻi ma mua o ka alloy 304 a me 304L hiki ke hoʻohana ʻia no nā hōʻike kahi e hopohopo ai ka sensitization a me intergranualr corrosion.ʻO ka hoʻohui ʻana o ka columbium e hiki ai i ka Alloy 347 ke loaʻa i ke kūpaʻa corrosion maikaʻi loa, ʻoi aku ka maikaʻi ma mua o ka alloy 321. ʻO 347H ka ʻano hui kalapona kiʻekiʻe o Alloy 347 a hōʻike i ka hoʻomaikaʻi ʻana i ka wela kiʻekiʻe a me nā waiwai kolo.Aia ka Haosteel Stainless inventory i kēia manawa me Alloy 347/347H (UNS S34700/S34709) i loko o ka pepa, ka ʻili pepa, ka pā, ka pā poepoe, ka pā pālahalaha i hana ʻia a me nā huahana tubular.
347H paipu wiliwili kila kila
Kemimi
C | Si | Mn | P | S | Cr | Ni | Nb |
0.04-0.1 | ≤ 0.75 | ≤ 2.0 | ≤ 0.045 | ≤ 0.03 | 17.0 - 19.0 | 9.0 - 13.0 | 8C - 1.0 |
Ke kinoNā waiwai:
347H paipu wiliwili kila kila
Hana ʻia:
ʻO ka ikaika ʻoi loa - 75KSI min (515 MPA min)
Ka ikaika hua (0.2% Offset) –30 KSI min (205 MPA min)
Elongation - 40% min
Paʻakiki – HRB92max (201HV max)