ʻO Kina Huahana Hou Kina maikaʻi maikaʻi ʻO ka hoʻoheheʻe ʻana i ka pena Seamless Steel Tube
Nānā nui
ʻO ASTM A106Gr.B paipu kila ʻole he kila haʻahaʻa haʻahaʻa i hoʻohana nui ʻia, i hoʻohana nui ʻia i ka ʻoihana ʻaila, kemika, a me ka paila. Loaʻa i ka mea waiwai nā waiwai mechanical maikaʻi. Hoʻohana nui ʻia e lawe i nā wai wela kiʻekiʻe e like me ka wai, ka aila, ke kinoea, etc.
Loaʻa i ka ASTM A106 ka paipu kila seamless ʻelua kaʻina: huki anu a ʻōwili wela.
Palapala noi
ʻO ka paipu kila maʻemaʻe no ka hana wela kiʻekiʻe ASTM A106, kūpono no ka wela kiʻekiʻe
Papa Nui
Papa o ke kila kalapona kiʻekiʻe: GR.A,GR.B,GR.C
Mea Kimia
Hui, % | |||
Papa A | Papa B | Papa C | |
Carbon, max | 0.25A | 0.3B | 0.35B |
Manganese | 0.27-0.93 | 0.29-1.06 | 0.29-1.06 |
Phosphorus, max | 0.035 | 0.035 | 0.035 |
Sulfur, max | 0.035 | 0.035 | 0.035 |
Silika, min | 0.10 | 0.10 | 0.10 |
Chrome, maxC | 0.40 | 0.40 | 0.40 |
Ke keleawe, maxC | 0.40 | 0.40 | 0.40 |
Molybdenum, maxC | 0.15 | 0.15 | 0.15 |
Nikela, maxC | 0.40 | 0.40 | 0.40 |
Vanadium, maxC | 0.08 | 0.08 | 0.08 |
A No kēlā me kēia hōʻemi o 0.01% ma lalo o ka nui kalapona i ʻōlelo ʻia, e ʻae ʻia ka piʻi ʻana o 0.06% manganese ma luna o ka palena kiʻekiʻe a hiki i ka 1.35%. | |||
B Inā ʻaʻole i ʻōlelo ʻia e ka mea kūʻai aku, no kēlā me kēia hōʻemi o 0.01% ma lalo o ke kalapona kiʻekiʻe i ʻōlelo ʻia, e ʻae ʻia ka piʻi ʻana o 0.06% manganese ma luna o ka palena kiʻekiʻe a hiki i ka 1.65%. | |||
C ʻAʻole ʻoi aku ka nui o kēia mau mea ʻelima i ka 1%. |
Waiwai Mekani
Papa A | Papa B | Papa C | ||||||
Ka ikaika uʻi, min, psi(MPa) | 48 000(330) | 60 000(415) | 70 000(485) | |||||
Ka ikaika hua, min, psi(MPa) | 30 000(205) | 35 000(240) | 40 000(275) | |||||
Ka lōʻihi | Kūʻē | Ka lōʻihi | Kūʻē | Ka lōʻihi | Kūʻē | |||
Elongation ma 2 in. (50 mm), min, % Nā ho'āʻo hoʻāʻo transverse elongation liʻiliʻi loa, a no nā nui liʻiliʻi āpau i hoʻāʻo ʻia ma ka pauku piha | 35 | 25 | 30 | 16.5 | 30 | 16.5 | ||
I ka wā maʻamau puni 2-in. (50-mm) ana ka loa ho'āʻo specimen hoʻohana | 28 | 20 | 22 | 12 | 20 | 12 | ||
No nā hoʻokolohua lōʻihi lōʻihi | A | A | A | |||||
No nā hoʻāʻo ʻāwīwī, he unuhi no kēlā me kēia 1/32-in. (0.8-mm) emi i ka mānoanoa o ka pā ma lalo o 5/16 in. (7.9 mm) mai ka li'ili'i li'ili'i loa elongation e hana 'ia. | 1.25 | 1.00 | 1.00 | |||||
A E hoʻoholo ʻia ka elongation liʻiliʻi ma 2 in. (50 mm) e ka hoohalike penei: | ||||||||
e=625000A 0.2 / U 0.9 | ||||||||
no na huina iniha-pauna, a | ||||||||
e=1940A 0.2 / U 0.9 | ||||||||
no nā ʻāpana SI, | ||||||||
ma hea: e = ka lōʻihi liʻiliʻi ma ka 2 in. (50 mm), %, hoʻopuni ʻia i ka 0.5% kokoke loa, A = ʻāpana keʻa o ka hōʻike hoʻāʻo hoʻopaʻapaʻa, in.2 (mm2), ma muli o ke anawaena waho a i ʻole ke anawaena i koho ʻia i waho a i ʻole ka laulā kikoʻī kikoʻī a me ka mānoanoa o ka pā i kuhikuhi ʻia, i hoʻopuni ʻia i ka 0.01 in.2 (1 mm2) kokoke loa. . (Inā like a ʻoi aku paha ka ʻāpana i helu ʻia ma mua o 0.75 in.2 (500 mm2), a laila e hoʻohana ʻia ka waiwai 0.75 in.2 (500 mm2). U = ikaika tensile i kuhikuhi ʻia, psi (MPa). |
Koi hoao
Ma kahi o ka hōʻoia ʻana i ka haku melemele a me nā waiwai mechanical, hana ʻia nā hoʻokolohua hydrostatic i kēlā me kēia, a hana ʻia nā hoʻāʻo flaring a flattening. . Eia kekahi, aia kekahi mau koi no ka microstructure, ka nui o ka palaoa, a me ka papa decarburization o ka paipu kila i hoʻopau ʻia.
Hiki ke hoolako
Hiki ke hoʻolako: 1000 Tons i kēlā me kēia mahina no ka papa o ASTM SA-106 Steel Pipe
Hoʻopili ʻia
I loko o nā pūʻolo a i loko o ka pahu lāʻau ikaika
Hāʻawi
7-14 mau lā inā ma ka waihona, 30-45 mau lā e hana ai
Uku
30% depsoit, 70% L/C a i ʻole B/L kope a i ʻole 100% L/C i ka ʻike