Sechaena se rekisoang ka bongata Sch40 Seamless Api 5l Line Pipe St52 Seamless Steel Pipe
Khamphani ea rona e khomarela molao-motheo oa "Boleng ke bophelo ba k'hamphani, 'me botumo ke moea oa eona" bakeng sa thekiso e kholo ea China.Sch40 Seamless Api 5l Line Pipe St52 SeamlessPipe ea tšepe, Ka kakaretso re lebelletse pele ho theha mekhatlo e sebetsang ea khoebo le bareki ba bacha lefatšeng ka bophara.
Khampani ea rona e khomarela molao-motheo oa "Boleng ke bophelo ba k'hamphani, 'me botumo ke moea oa eona" bakeng saSch40 Seamless Api 5l Line Pipe St52 Seamless, Seamless Steel Pipe s, Seamless Steel Pipes Api 5l, Joalo ka sehlopha se nang le boiphihlelo re boetse re amohela odara e hlophisitsoeng mme re e etsa e ts'oanang le setšoantšo sa hau kapa sampole e hlalosang lintlha le ho paka moralo oa bareki. Sepheo sa mantlha sa k'hamphani ea rona ke ho theha mohopolo o khotsofatsang ho bareki bohle, le ho theha kamano ea nako e telele ea katleho ea khoebo. Re khethe, re lula re emetse ponahalo ea hau!
Kakaretso
Kopo
Peipi e sebelisetsoa ho tsamaisa oli, mouoane le metsi a huloang fatše ho ea likhoebong tsa indasteri ea oli le khase ka liphaephe.
Kereiti e ka Sehloohong
Kereiti ea API 5L line phala tšepe: Gr.B X42 X52 X60 X65 X70
Karolo ea Lik'hemik'hale
| Kereiti ea tšepe (Lebitso la tšepe) | Boholo ba Karolo, E Thehiloe ho Litlhahlobo tsa Mocheso le Sehlahisoaa,g% | |||||||
| C | Mn | P | S | V | Nb | Ti | ||
| max b | max b | min | max | max | max | max | max | |
| Pipe e Seamless | ||||||||
| L175 kapa A25 | 0.21 | 0.60 | - | 0.030 | 0.030 | - | - | - |
| L175P kapa A25P | 0.21 | 0.60 | 0.045 | 0.080 | 0.030 | - | - | - |
| L210 kapa A | 0.22 | 0.90 | - | 0.030 | 0.030 | - | - | - |
| L245 kapa B | 0.28 | 1.20 | - | 0.030 | 0.030 | c,d | c,d | d |
| L290 kapa X42 | 0.28 | 1.30 | - | 0.030 | 0.030 | d | d | d |
| L320 kapa X46 | 0.28 | 1.40 | - | 0.030 | 0.030 | d | d | d |
| L360 kapa X52 | 0.28 | 1.40 | - | 0.030 | 0.030 | d | d | d |
| L390 kapa X56 | 0.28 | 1.40 | - | 0.030 | 0.030 | d | d | d |
| L415 kapa X60 | 0.28 e | 1.40 e | - | 0.030 | 0.030 | f | f | f |
| L450 kapa X65 | 0.28 e | 1.40 e | - | 0.030 | 0.030 | f | f | f |
| L485 kapa X70 | 0.28 e | 1.40 e | - | 0.030 | 0.030 | f | f | f |
| Pipe e cheselitsoeng | ||||||||
| L175 kapa A25 | 0.21 | 0.60 | - | 0.030 | 0.030 | - | - | - |
| L175P kapa A25P | 0.21 | 0.60 | 0.045 | 0.080 | 0.030 | - | - | - |
| L210 kapa A | 0.22 | 0.90 | - | 0.030 | 0.030 | - | - | - |
| L245 kapa B | 0.26 | 1.20 | - | 0.030 | 0.030 | c,d | c,d | d |
| L290 kapa X42 | 0.26 | 1.30 | - | 0.030 | 0.030 | d | d | d |
| L320 kapa X46 | 0.26 | 1.40 | - | 0.030 | 0.030 | d | d | d |
| L360 kapa X52 | 0.26 | 1.40 | - | 0.030 | 0.030 | d | d | d |
| L390 kapa X56 | 0.26 | 1.40 | - | 0.030 | 0.030 | d | d | d |
| L415 kapa X60 | 0.26 e | 1.40 e | - | 0.030 | 0.030 | f | f | f |
| L450 kapa X65 | 0.26 e | 1.45 e | - | 0.030 | 0.030 | f | f | f |
| L485 kapa X70 | 0.26 e | 1.65 e | - | 0.030 | 0.030 | f | f | f |
| a Cu ≤ 0.50%; Ke ≤ 0,50%; Cr ≤ 0.50 % le Mo ≤ 0.15 %. b Bakeng sa phokotso e 'ngoe le e' ngoe ea 0.01% e ka tlase ho tekanyo e phahameng e boletsoeng bakeng sa khabone, keketseho ea 0.05% ho feta tekanyo e boletsoeng bakeng sa Mn e lumelletsoe, ho fihla ho 1.65% bakeng sa limaraka ≥ L245 kapa B, empa ≤ L360 kapa X52; ho fihla ho boholo ba 1.75 % bakeng sa limaraka> L360 kapa X52, empa <L485 kapa X70; le ho fihla ho 2.00 % bakeng sa Kereiti ea L485 kapa X70. c Ntle le haeba ho lumellane ka tsela e 'ngoe, Nb + V ≤ 0.06 %. d Nb + V + Ti ≤ 0,15 %. e Ntle le haeba ho lumellane ka tsela e 'ngoe. f Ntle le haeba ho lumellane ka tsela e 'ngoe, Nb + V + Ti ≤ 0.15 %. g Ha ho tlatsetso e entsoeng ka boomo ea B e lumelletsoeng le masala a B ≤ 0.001 %. | ||||||||
Thepa ea Mechini
|
Phaephe Kereiti | Pipe 'Mele oa Pipe e Seamless le e Welded | Weld Seam ea EW, LW, SAW, le KHOMOPipe | ||
| Kotulo Matlaa Rt0.5 | Matla a tšepea Rm | Elongation(ho 50 mm kapa 2 in.) Af | Matla a tšepeb Rm | |
| MPa (psi) | MPa (psi) | % | MPa (psi) | |
| min | min | min | min | |
| L175 kapa A25 | 175 (25,400) | 310 (45,000) | c | 310 (45,000) |
| L175P kapa A25P | 175 (25,400) | 310 (45,000) | c | 310 (45,000) |
| L210 kapa A | 210 (30,500) | 335 (48,600) | c | 335 (48,600) |
| L245 kapa B | 245 (35,500) | 415 (60,200) | c | 415 (60,200) |
| L290 kapa X42 | 290 (42,100) | 415 (60,200) | c | 415 (60,200) |
| L320 kapa X46 | 320 (46,400) | 435 (63,100) | c | 435 (63,100) |
| L360 kapa X52 | 360 (52,200) | 460 (66,700) | c | 460 (66,700) |
| L390 kapa X56 | 390 (56,600) | 490 (71,100) | c | 490 (71,100) |
| L415 kapa X60 | 415 (60,200) | 520 (75,400) | c | 520 (75,400) |
| L450 kapa X65 | 450 (65,300) | 535 (77,600) | c | 535 (77,600) |
| L485 kapa X70 | 485 (70,300) | 570 (82,700) | c | 570 (82,700) |
| a Bakeng sa limaraka tse mahareng, phapang lipakeng tsa matla a tlase a boletsoeng le matla a tlhahiso a tlase bakeng sa 'mele oa liphaephe e tla ba joalo ka ha ho fanoe tafoleng bakeng sa sehlopha se latelang sa maemo a holimo.b e tla ba boleng bo lekanang le bo lekantsoeng bakeng sa 'mele oa phaephe ho sebelisa mongolo o botlaaseng ba leqephe a). c Bonyane bo bolelele bo boletsoeng,Af, e hlahisoang ka liphesente le ho pota-potiloe ho liperesente tse haufinyane, e tla ba joalo ka ha ho khethoa ho sebelisoa equation e latelang:
moo C ke 1940 bakeng sa lipalo tse sebelisang li-SI units le 625,000 bakeng sa lipalo tse sebelisang USC units; Axc ke sebaka se sebetsang sa teko ea sekhahla, se hlahisoang ka limilimithara tse lisekoere (lisekoere-inch), ka tsela e latelang: 1) bakeng sa likotoana selika-likoana teko teko, 130 limilimithara2 (0.20 ka.2) bakeng sa 12.7 limilimithara (0.500 ka.) le 8.9 limilimithara (0.350 ka.) likotoana teko bophara; 65 mm2 (0.10 in.2) bakeng sa 6.4 limilimithara (0.250 in.) likotoana teko bophara; 2) bakeng sa likotoana tsa liteko tsa likarolo tse felletseng, tse nyane tsa a) 485 mm2 (0.75 in.2) le b) sebaka se arohaneng sa karolo ea teko, se nkiloeng ka bophara bo boletsoeng kantle le botenya ba lebota bo boletsoeng ba phala, e pota-potiloe ho 10 mm2 e haufi (0.01 in.2); 3) bakeng sa likotoana tsa liteko tsa hlobo, e nyane ea a) 485 mm2 (0.75 in.2) le b) sebaka se ka thoko sa karolo ea teko, e nkiloeng ho sebelisoa bophara bo boletsoeng ba sekhechana sa teko le botenya ba lebota bo boletsoeng ba phala. , e pota-potiloe ho 10 mm2 e haufi (0.01 in.2); U ke matla a fokolang a boletsoeng, a hlahisoang ka megapascals (liponto ka lisenthimithara tse ling). | ||||
Tlhokahalo ea Teko
Teko: Khatello ea Hydrostatic, ho batalla, ho thatafala, tšusumetso ea CVN, NDT
Matla a Phepelo
Matla a Phepelo: Lithane tse 1000 ka Khoeli Kereiti e 'ngoe le e 'ngoe ea API 5L Pipe ea carbon Steel
Sephutheloana
Ka Mengata Le ka Lebokoseng le Matla la Lehong
Phano
Matsatsi a 7-14 haeba a le setokong, matsatsi a 30-45 ho hlahisa
Tefo
30% depsoit, 70% L/C kapa B/L kopi kapa 100% L/C ha u bona
