Paipu kila ASTM A210 he paipu kila humuhumu kalapona waena i hoʻohana ʻia e like me nā paipu paila a me nā paipu superheater no nā wahi mahana kiʻekiʻe a me ke kaomi kiʻekiʻe, e like me nā kikowaena mana a me nā paila ʻoihana.
Nā Pihi Hoʻokele
Ka laulā nui o ASTM A210
Anawaena o waho: 1/2ʻīniha (12.7mm) ≤ OD ≤5in (127mm)
Mānoanoa o ka paia: 0.035 ʻīniha (0.9mm) ≤ WT ≤0.500 ʻīniha (12.7mm)
Hiki ke hoʻolako ʻia nā paipu me nā ana ʻē aʻe, inā kūlike kēlā mau paipu me nā koi ʻē aʻe a pau o kēia kikoʻī.
Nā Mea Maka
Hana Hana Kila--E pepehi ʻia ke kila.
ʻO ke kila i pepehi ʻia e pili ana i ka hoʻohui ʻana o kekahi mau deoxidizers e like me ka silicon, alumini, a me ka manganese i ka wā o ke kaʻina hoʻoheheʻe ʻana o ke kila.
Hiki i kēia mau mea hoʻohui ke hana me ka oxygen i loko o ke kila e hana i nā oxides paʻa, no laila e hōʻemi ana i ka nui o ka oxygen i loko o ke kila a pale i ke kūkulu ʻia ʻana o nā inclusions oxidizing.
Papa ASTM A210
Loaʻa ka ASTM A210 i ʻelua mau papa:Papa A-1 a me Papa C.
Kaʻina Hana Hana Paipu Kila ASTM A210
E hana ʻia nā paipu kila ma ke kaʻina hana seamless a ehoʻopau wela or hoʻopau anue like me ka mea i kuhikuhi ʻia.
ʻO ka maʻamau, ʻo nā paipu kila me ke anawaena ʻoi aku ma mua o 30 millimeters ua hoʻopau wela ʻia a ʻo nā mea me ke anawaena ma lalo a like paha me 30 millimeters ua hoʻopau anu ʻia. ʻAʻole paʻa loa kēia ʻano hoʻokaʻawale akā hiki ke hoʻohana ʻia ma ke ʻano he ala wikiwiki a maʻalahi hoʻi e hoʻoholo ai i ke ʻano hana o ka paipu kila humuhumu ʻole.
Ka Lapaʻau Wela
ʻAʻole koi ʻia ka mālama wela no nā ʻōmole i hoʻopau ʻia me ka wela.
Pono e hāʻawi ʻia nā ʻōmole i hoʻopau ʻia i ke anu i kahi anneal subcritical, kahi anneal piha, a i ʻole kahi lāʻau wela normalizing ma hope o ke kaʻina hana hoʻopau anu hope loa.
Nā ʻāpana kemika
| ʻElemene | Papa A-1 | Papa C |
| C (Kalapona), maxA | 0.27 | 0.35 |
| Mn (Manganese) | 0.93 kiʻekiʻe | 0.29-1.06 |
| P (Phosphorus), max | 0.035 | 0.035 |
| S (Sulepura), max | 0.035 | 0.035 |
| Si (Silikona), min | 0.1 | 0.1 |
| No kēlā me kēia hōʻemi ʻana o 0.01% ma lalo o ka palena kiʻekiʻe o ke kalapona i kuhikuhi ʻia, e ʻae ʻia ka hoʻonui ʻana o 0.06% o ka manganese ma luna o ka palena kiʻekiʻe i kuhikuhi ʻia a hiki i ka palena kiʻekiʻe o 1.35%. | ||
Hōʻoia kēia mau koi hoʻohui kemika i ka ikaika kūpono o nā paipu a me ke kūpaʻa ʻana i ka mahana.
Nā Waiwai Mekanika
ʻAʻole pili nā koi waiwai mīkini i nā paipu liʻiliʻi ma mua o1/ 8ma [3.2 mm] ke anawaena o loko a i ʻole 0.015 ʻīniha [0.4 mm] ka mānoanoa.
| Papa inoa | ʻUint | Papa A-1 | Papa C | |
| Ikaika tensile, min | ksi | 60 | 70 | |
| MPa | 415 | 485 | ||
| Ka ikaika hoʻopuka, min | ksi | 37 | 40 | |
| MPa | 255 | 275 | ||
| Hoʻolōʻihi in50 mm (2 ʻīniha), min | No nā hoʻāʻo ʻāpana lōʻihi, e hana ʻia kahi hōʻemi no kēlā me kēia 1/32-ʻīniha [0.8-mm] emi ʻana o ka mānoanoa o ka paia ma lalo o 5/16 ʻīniha [8 mm] mai ka elongation palena iki kumu o nā helu pakeneka ma lalo nei. | % | 1.5A | 1.5A |
| Ke hoʻohana ʻia ka lōʻihi anakahi poepoe maʻamau 2-ʻīniha a i ʻole 50-mm a i ʻole ka laʻana liʻiliʻi me ka lōʻihi anakahi e like me 4D (ʻehā manawa o ke anawaena) | 22 | 20 | ||
| AE nānā i ka Papa 4 no nā waiwai liʻiliʻi loa i helu ʻia. | ||||
Hāʻawi ka Papa 4 i nā waiwai elongation liʻiliʻi loa i helu ʻia no kēlā me kēia1/32ʻīniha [0.8 mm] emi ʻana o ka mānoanoa o ka paia.
Ma kahi e waiho ai ka mānoanoa o ka paia ma waena o nā waiwai ʻelua i hōʻike ʻia ma luna, e hoʻoholo ʻia ka waiwai elongation haʻahaʻa loa e ka hoohalike penei:
Nā ʻāpana Imperial (i loko): E = 48t+15.00
Anakahi SI (mm): E = 1.87t+15.00
kahi:
E = elongation ma 2 ʻīniha a i ʻole 50 mm, %,
t = ka mānoanoa maoli o ka hāpana.
Hoʻāʻo Paʻakikī
Pono e hana ʻia nā hoʻāʻo paʻakikī ʻo Brinell a i ʻole Rockwell ma nā hāpana mai ʻelua mau paipu mai kēlā me kēia hailona.
Papa ASTM A210 A-1:79-143 HBW
Papa ASTM A210 C: 89-179 HBW
ʻO HBW ke ana o ka paʻakikī Brinell, kahi e kū ai ka "W" no ka hoʻohana ʻana i kahi pōpō carbide ma ke ʻano he indenter.
Nā Hoʻokolohua ʻē aʻe
Hoʻāʻo Hoʻopālahalaha
Hoʻāʻo Flaring
Hoʻāʻo Uila Hydrostatic a i ʻole Nondestructive
Hoʻopau ʻili
Hiki ke hoʻomoʻa ʻia a pahū paha, a i ʻole nā mea ʻelua, a he mea kēia o ka ʻaelike, a ua hoʻokumu ʻia ke koho ma ka ʻaelike ma waena o ka mea hoʻohana a me ka mea hana.
Hoʻohana nui ʻia ka pickling e wehe i nā papa oxidized a me nā mea haumia ʻē aʻe mai ka ʻili o nā paipu kila.
Hoʻohana ʻia ka shot blasting e hoʻomaʻemaʻe i ka ʻili a hoʻonui i kona ikaika pipili.
ʻAʻole wale kēia mau hana e hoʻopili i ka maikaʻi o ka ʻili o ka paipu akā hiki ke hoʻopili i kona mau waiwai hope loa.
Ke Hoʻokumu ʻana i nā Hana
Ke hoʻokomo ʻia i loko o ka paila, e kū nā paipu e hoʻonui a beaded me ka ʻole o ka hōʻike ʻana i nā māwae a i ʻole nā hemahema. Ke hoʻoponopono pono ʻia, e kū nā paipu superheater i nā hana forging, welding, a me nā hana kulou e pono ai no ka hoʻopili ʻana me ka ʻole o ka loaʻa ʻana o nā hemahema.
Ka Māka ʻana o ASTM A210
Pono e hōʻailona maopopo ʻia kēia mau mea:
Ka inoa a i ʻole ka logo o ka mea hana.
Nā kikoʻī o ka paipu (ka nui, ka mānoanoa o ka paia, a pēlā aku).
Papa paipu.
ʻAno hana o ka paipu kila: hoʻopau wela a hoʻopau anu paha.
Nā noi o ASTM A210
Hoʻohana ʻia i ka hana ʻana i nā paila liʻiliʻi a waena o ke kaomi haʻahaʻa, e like me nā paila kū, nā paila noho, a me nā paila ʻē aʻe i hoʻohana ʻia no ka hoʻomehana ʻoihana a hale noho paha.
ʻO nā superheaters nā ʻāpana o ka paila i hoʻohana ʻia e hoʻokiʻekiʻe i ka mahana o ka mahu ma luna o kona kiko paila, a kūpono nā paipu ASTM A210 no ka hana ʻana o kēia mau ʻāpana wela kiʻekiʻe.
ʻO kā mākou huahana pili
He mea hana a mea hoʻolako paipu kila kalapona kiʻekiʻe mākou mai Kina mai, a he mea kūʻai aku paipu kila seamless hoʻi, e hāʻawi ana iā ʻoe i kahi ākea o nā hoʻonā paipu kila!
nā lepili: astm 210, paila, seamless, hoʻopau wela, hoʻopau anu, superheater, nā mea hoʻolako, nā mea hana, nā hale hana, nā mea kūʻai waiwai, nā ʻoihana, kūʻai nui, kūʻai, kumukūʻai, ʻōlelo nui, nui, no ke kūʻai aku, kumukūʻai.
Ka manawa hoʻouna: ʻApelila-24-2024