
ASTM A252 Paipu kila
Papa:1,2,3
Ka anawaena o waho: 219.1-1016mm
Mānoanoa: 8.18-25mm
Ka lōʻihi: 3-18 mika
ʻO ka manawa hoʻouna wikiwiki loa: 7 mau lā +
Ka nui o ka waihona: 50-100Tons
Hoʻolauna o ASTM A252 Steel Pipe:
Inoa Huahana: ASTM A252 Steel Pipe
Kūlana: Papa 1, Papa 2, Papa 3
ʻAno Welding: ERW (Electrical Resistance Weld), HFW (High Frequency Weld), LSAW (Longitudinally Submerged Arc Welding), DSAW (Double Submerged Arc Welding), SSAW (Spirally Submerged Arc Welding)
Anawaena waho: 8"-120" (219.1mm--3048mm)
Mānoanoa: SCH10-SCH160 (6.35mm-59.54mm)
Ka lōʻihi: 4m-18m
Hoʻopau: BE (Nā Hoʻopau Beveled), PE (Nā Hoʻopau Plain)
Ho'āʻo: ʻIkepili Hui Pūʻali, Nā Pono Mechanical (Ka ikaika tensile hope loa, ka ikaika hua, Elongation), nā ʻenehana loea (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test
ʻO ka manawa hoʻouna wikiwiki loa: 7 mau lā no ka kikoʻī maʻamau

hoakaka:
| ( ANSI B36.10 B36.19M) Ke anawaena waho a me ka mānoanoa o ka pā | |||||||||||||||||||
| NPS | OD | Mānoanoa Pāpā Mānoanoa | |||||||||||||||||
| INCH | DN | MM | 5s | 10s | 10 | 20 | 30 | 40s | STD | 40 | 60 | 80s | XS | 80 | 100 | 120 | 140 | 160 | XXS |
| 1/8 | 6 | 10.3 | -- | 1.24 | -- | -- | -- | 1.73 | 1.73 | 1.73 | -- | 2.41 | 2.41 | 2.41 | -- | -- | -- | -- | -- |
| 1/4 | 8 | 13.7 | -- | 1.65 | -- | -- | -- | 2.24 | 2.24 | 2.24 | -- | 3.02 | 3.02 | 3.02 | -- | -- | -- | -- | -- |
| 3/8 | 10 | 17.1 | -- | 1.65 | -- | -- | -- | 2.31 | 2.31 | 2.31 | -- | 3.2 | 3.2 | 3.2 | -- | -- | -- | -- | -- |
| 0.5 | 15 | 21.3 | 1.65 | 2.11 | -- | -- | -- | 2.77 | 2.77 | 2.77 | -- | 3.73 | 3.73 | 3.73 | -- | -- | -- | 4.78 | 7.47 |
| 0.75 | 20 | 26.7 | 1.65 | 2.11 | -- | -- | -- | 2.87 | 2.87 | 2.87 | -- | 3.91 | 3.91 | 3.91 | -- | -- | -- | 5.56 | 7.82 |
| 1 | 25 | 33.4 | 1.65 | 2.77 | -- | -- | -- | 3.38 | 3.38 | 3.38 | -- | 4.55 | 4.55 | 4.55 | -- | -- | -- | 6.35 | 9.09 |
| 1.25 | 32 | 42.2 | 1.65 | 2.77 | -- | -- | -- | 3.56 | 3.56 | 3.56 | -- | 4.85 | 4.85 | 4.85 | -- | -- | -- | 6.35 | 9.7 |
| 1.5 | 40 | 48.3 | 1.65 | 2.77 | -- | -- | -- | 3.68 | 3.68 | 3.68 | -- | 5.08 | 5.08 | 5.08 | -- | -- | -- | 7.14 | 10.15 |
| 2 | 50 | 60.3 | 1.65 | 2.77 | -- | -- | -- | 3.91 | 3.91 | 3.91 | -- | 5.54 | 5.54 | 5.54 | -- | -- | -- | 8.74 | 11.07 |
| 2.5 | 65 | 73 | 2.11 | 3.05 | -- | -- | -- | 5.16 | 5.16 | 5.16 | -- | 7.01 | 7.01 | 7.01 | -- | -- | -- | 9.53 | 14.02 |
| 3 | 80 | 88.9 | 2.11 | 3.05 | -- | -- | -- | 5.49 | 5.49 | 5.49 | -- | 7.62 | 7.62 | 7.62 | -- | -- | -- | 11.13 | 15.24 |
| 3.5 | 90 | 101.6 | 2.11 | 3.05 | -- | -- | -- | 5.74 | 5.74 | 5.74 | -- | 8.08 | 8.08 | 8.08 | -- | -- | -- | -- | -- |
| 4 | 100 | 114.3 | 2.11 | 3.05 | -- | -- | -- | 6.02 | 6.02 | 6.02 | -- | 8.56 | 8.56 | 8.56 | -- | 11.13 | -- | 13.49 | 17.12 |
| 5 | 125 | 141.3 | 2.77 | 3.4 | -- | -- | -- | 6.55 | 6.55 | 6.55 | -- | 9.53 | 9.53 | 9.53 | -- | 12.7 | -- | 15.88 | 19.05 |
| 6 | 150 | 168.3 | 2.77 | 3.4 | -- | -- | -- | 7.11 | 7.11 | 7.11 | -- | 10.97 | 10.97 | 10.97 | -- | 14.27 | -- | 18.26 | 21.95 |
| 8 | 200 | 219.1 | 2.77 | 3.76 | -- | 6.35 | 7.04 | 8.18 | 8.18 | 8.18 | 10.31 | 12.7 | 12.7 | 12.7 | 15.09 | 18.26 | 20.62 | 23.01 | 22.23 |
| 10 | 250 | 273.1 | 3.4 | 4.19 | -- | 6.35 | 7.8 | 9.27 | 9.27 | 9.27 | 12.7 | 12.7 | 12.7 | 15.09 | 18.26 | 21.44 | 25.4 | 28.58 | 25.4 |
| 12 | 300 | 323.9 | 3.96 | 4.57 | -- | 6.35 | 8.38 | 9.53 | 9.53 | 10.31 | 14.27 | 12.7 | 12.7 | 17.48 | 21.44 | 25.4 | 28.58 | 33.32 | 25.4 |
| 14 | 350 | 355.6 | 3.96 | 4.78 | 6.35 | 7.92 | 9.53 | -- | 9.53 | 11.13 | 15.09 | -- | 12.7 | 19.05 | 23.83 | 27.79 | 31.75 | 35.71 | -- |
| 16 | 400 | 406.4 | 4.19 | 4.78 | 6.35 | 7.92 | 9.53 | -- | 9.53 | 12.7 | 16.66 | -- | 12.7 | 21.44 | 26.19 | 30.96 | 36.53 | 40.49 | -- |
| 18 | 450 | 457.2 | 4.19 | 4.78 | 6.35 | 7.92 | 11.13 | -- | 9.53 | 14.27 | 19.05 | -- | 12.7 | 23.83 | 29.36 | 34.96 | 39.67 | 45.24 | -- |
| 20 | 500 | 508 | 4.78 | 5.54 | 6.35 | 9.53 | 12.7 | -- | 9.53 | 15.09 | 20.62 | -- | 12.7 | 26.19 | 32.54 | 38.1 | 44.45 | 50.01 | -- |
| 22 | 550 | 558.8 | 4.78 | 5.54 | 6.35 | 9.53 | 12.7 | -- | 9.53 | -- | 22.23 | -- | 12.7 | 28.58 | 34.93 | 41.28 | 47.63 | 53.98 | -- |
| 24 | 600 | 609.6 | 5.54 | 6.35 | 6.35 | 9.53 | 14.27 | -- | 9.53 | 17.48 | 24.61 | -- | 12.7 | 30.96 | 38.89 | 46.02 | 52.37 | 59.54 | -- |
| 26 | 650 | 660.4 | -- | -- | 7.92 | 12.7 | -- | -- | 9.53 | -- | -- | -- | 12.7 | -- | -- | -- | -- | -- | -- |
| 28 | 700 | 711.2 | -- | -- | 7.92 | 12.7 | 15.88 | -- | 9.53 | -- | -- | -- | 12.7 | -- | -- | -- | -- | -- | -- |
| 30 | 750 | 762 | 6.35 | 7.92 | 7.92 | 12.7 | 15.88 | -- | 9.53 | -- | -- | -- | 12.7 | -- | -- | -- | -- | -- | -- |
| 32 | 800 | 812.8 | -- | -- | 7.92 | 12.7 | 15.88 | -- | 9.53 | 17.48 | -- | -- | 12.7 | -- | -- | -- | -- | -- | -- |
| 34 | 850 | 863.6 | -- | -- | 7.92 | 12.7 | 15.88 | -- | 9.53 | 17.48 | -- | -- | 12.7 | -- | -- | -- | -- | -- | -- |
| 36 | 900 | 914.4 | -- | -- | 7.92 | 12.7 | 15.88 | -- | 9.53 | 19.05 | -- | -- | 12.7 | -- | -- | -- | -- | -- | -- |
| 38 | 950 | 965.2 | -- | -- | -- | -- | -- | -- | 9.53 | -- | -- | -- | 12.7 | -- | -- | -- | -- | -- | -- |
| 40 | 1000 | 1016 | -- | -- | -- | -- | -- | -- | 9.53 | -- | -- | -- | 12.7 | -- | -- | -- | -- | -- | -- |
| 42 | 1050 | 1066.8 | -- | -- | -- | -- | -- | -- | 9.53 | -- | -- | -- | 12.7 | -- | -- | -- | -- | -- | -- |
| 44 | 1100 | 1117.6 | -- | -- | -- | -- | -- | -- | 9.53 | -- | -- | -- | 12.7 | -- | -- | -- | -- | -- | -- |
| 46 | 1150 | 1168.4 | -- | -- | -- | -- | -- | -- | 9.53 | -- | -- | -- | 12.7 | -- | -- | -- | -- | -- | -- |
| 48 | 1200 | 1219.2 | -- | -- | -- | -- | -- | -- | 9.53 | -- | -- | -- | 12.7 | -- | -- | -- | -- | -- | -- |
| 52 | 1300 | 1321 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 56 | 1400 | 1422 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 60 | 1500 | 1524 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 64 | 1600 | 1626 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 68 | 1700 | 1727 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 72 | 1800 | 1829 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 76 | 1900 | 1930 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 80 | 2000 | 2032 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
Nine Huipuia a Ke kuhikuhi ka waiwai:
| hae | Papa | Hoʻohui Kimia(max)% | Nā Pono Mechanical (min) | |||||
| C | Si | Mn | P | S | Ka ikaika Tensile (Mpa) | Ka ikaika hua(Mpa) | ||
| ASTM A252 | 1 | - | - | - | 0.05 | - | 345 | 345 |
| 2 | - | - | - | 0.05 | - | 414 | 414 | |
| 3 | - | - | - | 0.05 | - | 455 | 455 | |
ʻO kā mākou mau pono no ka ASTM A252 Steel Pipe:
· Kumukūʻai hoʻokūkū: Loaʻa iā mākou ka pilina paʻa lōʻihi me nā hale hana maka, nā lako kākoʻo hoʻomohala piha a piha, kahi ʻōnaehana hoʻomalu maikaʻi, a me kahi hoʻohālike i hoʻohui ʻia e mālama i kā mākou kumukūʻai hana ma kahi pae haʻahaʻa.
· Wā hoʻouna wikiwiki: Hiki ke hoʻopau ʻia ka hana ʻana o nā paipu kila me nā kikoʻī maʻamau i ka wikiwiki o 7 mau lā.
· Hōʻoia piha: Loaʻa nā ʻano palapala like ʻole, me ka palapala API 5L, palapala ISO 9001, palapala ISO 14001, palapala FPC, palapala Pūnaehana Kūlana Kūlohelohe, a me nā mea hou aku.
· Nā lako hana kiʻekiʻe: Lawe mākou i nā mea hana mai Kelemānia a hoʻomohala kūʻokoʻa i ʻehā mau mea hana.
· Hui ʻOihana: Loaʻa iā mākou ma luna o 300 mau limahana, ʻoi aku ma mua o 60 mau limahana loea, a loaʻa iā mākou kahi hui noiʻi lako kūʻokoʻa.
· Nā mea ho'āʻo piha: Hoʻolako ʻia mākou me nā keʻena hoʻāʻo like ʻole, e komo pū ana akā ʻaʻole i kaupalena ʻia i ka pūnaewele ultrasonic automatic flaw detectors, ʻenehana X-ray televise a me nā mea hoʻāʻo pono ʻē aʻe.
noi:
ʻO ka hui ʻo Longma ASTM A252 Paipu kila e ʻimi i nā noi ākea ma:
· ʻAno Hana: Mai nā alahaka a me nā alaloa i nā hale a me nā kahua pāʻani, ʻo nā paipu kila ASTM A252 ke kuleana koʻikoʻi i ka hana ʻana i ka ʻāina hoʻolālā.

· Nā Hana Kai: Me ko lākou pale ʻana i ka corrosion ʻoi aku ka maikaʻi, kūpono kēia mau paipu no nā hale kai, me nā pier, nā pahu, a me nā paepae waho.

· Piling: Hoʻohana maʻamau ʻia nā paipu kila ASTM A252 no ka hoʻokumu ʻana i ke kumu i nā papahana kūkulu, e hāʻawi ana i ke kākoʻo paʻa no nā hale i nā kūlana lepo.

· ʻO ka wai a me nā ʻōnaehana wai wai: He kūpono kēia mau paipu no ka wai a me nā ʻōnaehana sewerage, e hāʻawi ana i ka hana hilinaʻi a me ka lōʻihi i nā noi lalo.

Hui Longma
ʻO Hebei Longma Group Limited (LONGMA GROUP) kekahi o Kina e alakaʻi ana i nā mea hana paipu kila ERW / LSAW mai ka makahiki 2003, me kahi kapikala i hoʻopaʻa ʻia o 441.8 biliona, e uhi ana i kahi ʻāpana o 230000 square meters. ʻO ka hui kūikawā i ka hanaʻana: nui-diameter, mānoanoa-walled, pālua-ʻaoʻao, sub-arc-seam, welding steel pipe, LSAW-Longitudinal Submerged Arc Welded, ERW steel pipes. Ma ka hopena o 2023, ua ʻoi aku ka nui o ka makahiki o ka hui ma mua o 1000000 tons.



Ma keʻano he kumuhana A252 paipu kila mea hana a mea hoʻolako, ua kūpaʻa ʻo Longma i ka hāʻawi ʻana i nā huahana kiʻekiʻe a me ka lawelawe kūikawā i kā mākou mea kūʻai. Me ka nānā ʻana i ka hana hou a me ka hilinaʻi, hoʻāʻo mākou e ʻoi aku ma mua o nā mea i manaʻo ʻia a hoʻonohonoho i nā hōʻailona hou i ka ʻoihana. No ka lawe wikiwiki ʻana o A252 paipu i nā ʻano nui a me nā kumu kūʻai hoʻokūkū, e kelepona iā Longma ma info@longma-group.com.
NPP:
Q:He aha ka mea e hoʻokaʻawale ai i nā paipu kila ASTM A252 mai nā paipu hana ʻē aʻe?
A: Ua hoʻolālā pono ʻia nā paipu kila ASTM A252 no ka hoʻohana ʻana i nā noi hoʻolālā, e hāʻawi ana i ka ikaika like ʻole, ka lōʻihi, a me ka hilinaʻi.
Q:Ua kūpono nā paipu kila ASTM A252 no nā kaiapuni corrosive?
A: ʻAe, hōʻike nā paipu kila ASTM A252 i ke kūpaʻa ʻana i ka corrosion maikaʻi loa, no ka hoʻohana ʻana i nā kaiapuni kai a me nā hoʻonohonoho corrosive ʻē aʻe.
Q:Hiki ke hoʻopilikino ʻia nā paipu kila ASTM A252 e hoʻokō i nā koi o ka papahana?
A: Hāʻawi ʻo Longma i nā lawelawe hana maʻamau e hoʻopili i nā paipu kila ASTM A252 e hoʻokō i nā pono kūʻokoʻa o kēlā me kēia papahana, e hōʻoiaʻiʻo ana i ka hana maikaʻi a me ka pono.
Q:He aha nā palapala hōʻoia e pili ai nā paipu kila ASTM A252?
A: ʻO nā paipu kila ASTM A252 e hoʻokō i nā kūlana o ka ʻoihana paʻa a hoʻopaʻa i nā hana hoʻomalu maikaʻi e hōʻoia i ka hoʻokō ʻana i nā palapala hōʻoia a me nā kikoʻī.



















