Phala ea mantlha ea metsi e nang le ts'ebeliso e phahameng
| Thepa ea mantlha ea 'mele le ea lik'hemik'hale ea lipeipi tsa tšepe (GB / T978, GB / T9711 le Api Spec11 | ||||||||||||||
| Tloaelo | Sehlopha sa tšepe | Li-combants tsa lik'hemik'hale (%) | Thepa ea Tense | Charpy (V Noch) tlhahlobo ea tšusumetso | ||||||||||
| c | Mn | p | s | Si | Tse ling | Ho hlahisa ka matla (MPA) | Matla a Tense (MPA) | (L0 = 5.65 √ s0) Min ho otlolla maikutlo (%) | ||||||
| Max | Max | Max | Max | Max | min | Max | min | Max | D ≤ 168.33mmmmmm | D> 168.3mm | ||||
| GB / t3091 -2008 | Q215a | ≤ 0.15 | 0.25 <1.20 | 0.045 | 0.050 | 0.35 | Ho eketsa NBVTI ho latela GB / T1591-94 | 215 | 335 | 15 | > 31 | |||
| Q215B | ≤ 0.15 | 0.25-0.55 | 0.045 | 0.045 | 0.035 | 215 | 335 | 15 | > 31 | |||||
| Q235a | ≤ 0.22 | 0.30 <0.65 | 0.045 | 0.050 | 0.035 | 235 | 375 | 15 | > 26 | |||||
| Q235B | ≤ 0.20 | 0.30 ≤ 1.80 | 0.045 | 0.045 | 0.035 | 235 | 375 | 15 | > 26 | |||||
| Q295a | 0.16 | 0.80-1.50 | 0.045 | 0.045 | 0.55 | 295 | 390 | 13 | > 23 | |||||
| Q295B | 0.16 | 0.80-1.50 | 0.045 | 0.040 | 0.55 | 295 | 390 | 13 | > 23 | |||||
| Q345a | 0.20 | 1.00-1.60 | 0.045 | 0.045 | 0.55 | 345 | 510 | 13 | > 21 | |||||
| Q345B | 0.20 | 1.00-1.60 | 0.045 | 0.040 | 0.55 | 345 | 510 | 13 | > 21 | |||||
| GB / T9711-2011 (PSL1) | L175 | 0.21 | 0.60 | 0.030 | 0.030 | Ea boikhethelo e kenyelletsa e 'ngoe ea likarolo tsa NBVTI kapa motsoako ofe kapa ofe oa tsona | 175 | 310 | 27 | E le 'ngoe kapa tse peli tsa tekanyetso ea matla a tšusumetso le ea ho kuta e ka khethoa. Bakeng sa L555, bona Tekanyetso. | ||||
| L210 | 0.22 | 0.90 | 0.030 | 0.030 | 210 | 335 | 25 | |||||||
| L245 | 0.26 | 1.20 | 0.030 | 0.030 | 245 | 415 | 21 | |||||||
| L290 | 0.26 | 1.30 | 0.030 | 0.030 | 290 | 415 | 21 | |||||||
| L320 | 0.26 | 1.40 | 0.030 | 0.030 | 320 | 435 | 20 | |||||||
| L360 | 0.26 | 1.40 | 0.030 | 0.030 | 360 | 460 | 19 | |||||||
| L390 | 0.26 | 1.40 | 0.030 | 0.030 | 390 | 390 | 18 | |||||||
| L415 | 0.26 | 1.40 | 0.030 | 0.030 | 415 | 520 | 17 | |||||||
| L450 | 0.26 | 1.45 | 0.030 | 0.030 | 450 | 535 | 17 | |||||||
| L485 | 0.26 | 1.65 | 0.030 | 0.030 | 485 | 570 | 16 | |||||||
| Api 5l (PSL 1) | A25 | 0.21 | 0.60 | 0.030 | 0.030 | Bakeng sa kgne, nb + v ≤ 0.03%; bakeng sa sehlopha sa tšepe b, ho eketsa nb + v | 172 | 310 | (L0 = 50.8mm) ho baloa ho latela foromo e latelang: E = 1944 · 1 | Ha ho na matla kapa ka bobeli ba matla a tšusumetso le sebaka se senyehileng se hlokahala e le boima bo matla. | ||||
| A | 0.22 | 0.90 | 0.030 | 0.030 | 207 | 331 | ||||||||
| B | 0.26 | 1.20 | 0.030 | 0.030 | 241 | 414 | ||||||||
| X42 | 0.26 | 1.30 | 0.030 | 0.030 | 290 | 414 | ||||||||
| X46 | 0.26 | 1.40 | 0.030 | 0.030 | 317 | 434 | ||||||||
| X52 | 0.26 | 1.40 | 0.030 | 0.030 | 359 | 455 | ||||||||
| X56 | 0.26 | 1.40 | 0.030 | 0.030 | 386 | 490 | ||||||||
| X60 | 0.26 | 1.40 | 0.030 | 0.030 | 414 | 517 | ||||||||
| X65 | 0.26 | 1.45 | 0.030 | 0.030 | 448 | 531 | ||||||||
| X70 | 0.26 | 1.65 | 0.030 | 0.030 | 483 | 565 | ||||||||
Selelekela sa Product
Ha re hlahise liphaephe tsa metsi a mantlha tsa metsi a mantlha tsa metsi, tse etselitsoeng ho fihlela litlhoko tse fapaneng tsa indasteri e fapaneng. E hlahisitsoe fekthering ea rona ea 'nete-ea-apreice in Cangzhou, Provishergia, Gbei, e bile moetapele oa lisekoere tsa 7503.
Ronaphala ea mantlha ea metsiba enjene ea ts'ebetso e nepahetseng ea likopo tse mpe tse kang methapo ea metsi le mela ea khase. Rea utloisisa hore litlhaloso tsa lipeipi tsena, ho kopanyelletsa le Merero ea WALDS, li bapala karolo ea bohlokoa ea ts'ebetso le ts'ebetso ea bona. Ke ka lebaka leo re sebelisang mekhoa ea ho fana e tsoetseng pele le mekhoa ea taolo ea boleng ba boleng ba boleng ba ho netefatsa lipeipi tsa rona ho kopana le litekanyetso tse phahameng tsa indasteri.
Mantain a rona a metsi a etselitsoe ho sebetsa haholo ebile a hlaha ka har'a libaka tse fapaneng, 'me a ka sebelisoa ho mefuta e fapaneng,' me e ka e sebelisoa ho tse fapaneng, ebile e ka e sebelisa bakeng sa likonteraka, meqomo le likou tsa lisepa. Hore na o kenya metsi a macha ka sehloohong kapa o ntlafatsa mohala o seng o ntse o le teng, lipeipi tsa rona li fana ka sesupo le matla a hlokahalang ho fihlela litlhokahalo tsa morero ofe kapa ofe.
Molemong oa sehlahisoa
E 'ngoe ea melemo ea mantlha ea liphaephe tsa metsi tsa metsi ke likopo tsa tsona tse phahameng haholo. Li etselitsoe ho fihlela litlhoko tsa tikoloho e fapaneng, li etsa hore li lokele litopo le mahaeng tsa mahaeng. Ho se sebetse ha lipeipi tsena ho ba lumella hore ba sebelisoe lits'ebelisong tse fapaneng, ho tsoa phepong ea metsi a bolulo ho lipalangoang tsa khase ea lisandaria. Ho ikamahanyetsano hona hoa bohlokoa bakeng sa masepala le likhoebo ka mokhoa o tšoanang, ha li ntse li nolofatsa lits'ebetso le litsamaiso tsa ho kenya.
Fumano e Khutsong
Ts'ebetso ea lipeipi tsena e ka angoa ke mabaka a kang maemo a mobu, mocheso oa mocheso le maemo. Mohlala, lipeipi tse ileng tsa fela li ka angoa ke moferefere maemong a itseng, ha lipeipi tsa seam tsa spam tsa spam li ka se be matla tlas'a maemo a khatello. Ho utloisisa mefokolo ena ho bohlokoa bakeng sa baenjiniere le basebetsi ho netefatsa hore mofuta o nepahetseng oa phala o khethoa bakeng sa kopo e 'ngoe le e' ngoe e ikhethang.
Kopo
Bohlokoa ba 'mele oa metsi a tšepahalang, boleng bo holimo ntlafatsong ea merusu e ntseng e hola e sa tsosoe. Ho tsebahala ka ho ba le tokelo ea bona e phahameng, lipeipi tsena li bohlokoa lits'ebetsong tse fapaneng, ho kenyelletsa le lipeipi tsa khase. Litlhaloso tsa bona, tse kang Weld le Spiral Cibi tsa Seam, li phetha karolo ea bohlokoa ho netefatsa bophelo bo phethahetseng le ba ts'ebeletso ea litšebeletso.
Liphaepi tsa rona tsa mantlha tsa metsi li sebelisoa likopanong tse fapaneng, tse bontšang masimong a fapaneng. Hore na ke sistimi ea lijo tsa metsi a masepala kapa marang-rang a khase, lipeipi tsa rona li ka mamella mathata a tšebeliso ea letsatsi le letsatsi ha u ntse u boloka ts'ebetso. Weald lePipe ea Spiral SeamLikhetho li fana ka maemofatso ka ts'ebeliso, ho lumella litharollo hore li fuoe litlhoko tse tobileng tsa merero.
LBH
Q1. Ho entsoe boitsebiso bofe bo boholo ba metsi?
Hangata methapo ea metsi e entsoe ka thepa e tšoarellang e kang tšepe, pvc le HDP. Khetho ea lintho e itšetlehile ka tšebeliso e khethehileng le maemo a tikoloho.
Q2. Lipipipi tse busoang ke lipipi tse butsoitseng le li-pirale tsa spiral ke life?
Phala e halikiloeng e thehiloe ka ho kenella mekhahlelo e 'meli ea pipi hammoho, e nang le sebopeho se matla le se nang le bopaki bo matla le ho lelera. Pipe ea sekoti sa Spiral e thehoa ka ho fafatsa mohala oa tšepe o bataletseng, e nang le maemo a fetelletseng a moralo le ts'ebelisong.
Q3. Ke khetha pepeli e nepahetseng joang bakeng sa morero oa ka?
Nahana ka mabaka a kang mofuta oa bolotsana o fetisitsoeng, o hloka litlhoko le maemo a tikoloho. Ho buisana le setsebi le sona se ka thusa ho netefatsa hore o khetha ho ts'oaroa ka ho fetisisa bakeng sa litlhoko tsa hau.
