Ua hoʻokumu ʻo Womic Steel iā ia iho ma ke ʻano he mea hoʻolako hilinaʻi o nā mea hana a me nā hoʻonā kiʻekiʻe ma mua o 20 mau makahiki. Me ka hoʻokō ʻana i ka maikaʻi loa, lawelawe ka ʻoihana i nā ʻano ʻoihana like ʻole, e hāʻawi ana i nā hoʻonā i hoʻopilikino ʻia e hoʻokō i nā pono kikoʻī. ʻO kā lākou waihona, e komo pū ana me nā mea ASTM A335 P91 Type 2 premium, ua lawe ʻia mai nā mea hana honua i ʻae ʻia a ua hoʻonui mau ʻia e hoʻokō i nā kūlana kiʻekiʻe loa. He loea ʻo Womic Steel i ka hoʻolako ʻana i nā mea P91 no nā noi ikehu kiʻekiʻe, me nā paipu, nā mea hoʻopili, nā valves, nā flanges, a me nā mea hou aku, e hōʻoiaʻiʻo ana e loaʻa i nā mea kūʻai aku nā huahana hana maikaʻi loa.

Hiki ke hoʻolako ʻia nā kūlana mai Womic Steel Group:

Nā Paipu Moly Chrome A335

Nā Paipu Kila Alloy A335

Nā Paipu Kila Alloy A335 P5

Nā Paipu Kila Alloy A335 P9

Nā Paipu Kila Alloy A335 P11

Nā Paipu Kila Alloy A335 P12

Nā Paipu Kila Alloy A335 P22

Nā Paipu Kila Alloy A335 P91

Nā Hiʻohiʻona Koʻikoʻi o nā paipu ASTM A335 P91 Type 2
ʻO ASTM A335 P91 ʻAno 2 he kila chrome-moly i ʻike ʻia no kona ikaika kūikawā, ke kūpaʻa wela, a me ka ikaika kolo. Ua hoʻokaʻawale ʻia ʻo ia he kila ferritic i hoʻonui ʻia i ka ikaika kolo (CSEF), e kūpono ana no nā noi wela kiʻekiʻe a me ke kaomi kiʻekiʻe. Ke hele nei ka mea i kahi kaʻina hana mālama wela kūikawā:

Ke hoʻomaʻamaʻa nei ma 1050 °C.

Hoʻomaʻalili ʻia ka ea a hiki i 200 °C.

Hoʻomehana ʻia ma 760 °C.

Hoʻonui kēia kaʻina hana i kona ikaika kolo a me ke kūpaʻa, e lilo ia i koho maikaʻi loa no nā ʻano koi.

ʻO ka haku mele ʻana a me nā pono o nā paipu kila ASTM A335 P91
Chromium (9%): Hoʻonui i ka ikaika o ke ana wela kiʻekiʻe, ke kūpaʻa ʻana i ka oxidation, a me nā waiwai mechanical.

Molybdenum (1%): Hoʻomaikaʻi i ka elasticity, ke kūpaʻa ʻana i ka ʻaʻahu, a me ka ikaika kolo wela kiʻekiʻe.

Vanadium lāua ʻo Columbium/Niobium: Hoʻonui hou i ka ikaika kolo a me ke kūpaʻa ʻana i ka luhi wela.

Nā Pōmaikaʻi o nā Paipu Kila ASTM A335 P91
Hoʻemi ʻia ka mānoanoa o ka paia: ʻAe i nā ʻāpana māmā, hoʻemi ʻia ka manawa kuʻihao, a emi iho ka metala hoʻopihapiha.

ʻO ke ola luhi wela kiʻekiʻe: A hiki i ka 10 mau manawa ʻoi aku ka maikaʻi ma mua o nā mea ma mua e like me T22 a i ʻole P22.

Hoʻonui ʻia nā mahana hana: Hoʻomaikaʻi i ka pono i nā noi wela kiʻekiʻe.

Nā noi o nā paipu kila ASTM A335 P91
Hoʻohana nui ʻia ka P91 i nā ʻoihana e pono ai nā mea i hiki ke kū i nā mahana a me nā kaomi koʻikoʻi. ʻO nā noi maʻamau:

Hana mana: Nā paila, nā laina hoʻomehana hou, a me nā mea kanu pōʻaiapuni hui pū ʻia.

Nā hale hana petrochemical: Nā mea hoʻomehana, nā lako hana kinoea, a me nā lawelawe kahua aila.

ʻŌnaehana paipu wela kiʻekiʻe: Kūpono no nā hana kulou, flanging, a me ka hoʻopili ʻana.

Ka Hoʻohui Kemika o nā Paipu Kila ASTM A335 P91
ʻO ka hoʻohuihui kemika o P91 e hōʻoiaʻiʻo i kāna hana maikaʻi loa:

Kalapona: 0.08% – 0.12%

Manganese: 0.30% – 0.60%

Chromium: 8.00% – 9.50%

Molibdenum: 0.85% – 1.05%

Vanadium: 0.18% – 0.25%

Naikokene: 0.030% – 0.070%

Nā mea ʻē aʻe: Nickel, aluminika, columbium, titanium, a me zirconium i nā nui i kāohi ʻia.

Nā Waiwai Mekanika
Ikaika Uila: Ka liʻiliʻi loa 85,000 PSI (585 MPa).

Ikaika Hua: Ka liʻiliʻi loa he 60,000 PSI (415 MPa).

ʻO ka hoʻoheheʻe ʻana a me ka mālama wela ʻana i nā paipu kila ASTM A335 P91
Pono ka hoʻopili pono ʻana o ka wili P91 i nā kaʻina hana e mālama i kona mau waiwai:

Hoʻomehana mua: He mea nui e pale aku i ka nahā ʻana i hoʻokumu ʻia e ka hydrogen.

Ka mana mahana ma waena o nā ala: Mālama ʻia me ka hoʻohana ʻana i nā ʻōnaehana hoʻomehana induction hou.

Ka mālama wela ma hope o ka hoʻopili ʻia ʻana (PWHT): Koʻikoʻi no ka hoʻokō ʻana i ka microstructure i makemake ʻia a pale i nā hemahema.

Nā electrodes kuʻihao: Pono e kūlike me ke ʻano o ka mea makua.

No ke aha e koho ai i nā paipu kila Womic Steel ASTM A335 P91?
Waihona nui: Nā mea P91 kiʻekiʻe no kāu mau pono āpau.

ʻIke loea: Hui akamai e alakaʻi iā ʻoe ma ke koho ʻana i nā mea a me ka hoʻohana ʻana.

Kūpaʻa i ka maikaʻi: ʻO nā mea maikaʻi loa wale nō mai nā mea hana i ʻae ʻia.

No kāu mau koi ASTM A335 P91 Type 2 a pau, e kelepona iā Womic Steel i kēia lā. Ua mākaukau kā lākou hui e hāʻawi i nā hoʻonā e ʻoi aku ma mua o kāu mau manaʻolana a hāʻawi i nā mea kiʻekiʻe loa no kāu mau papahana.