China Brand New Q235C Q235B 16Mn Welded carbon steel pipe/tube
Kakaretso
K'hamphani e tšehetsa filosofi ea "E-ba ea ka holimo-limo ka tharollo ea pipe", re tla tsoelapele ho sebeletsa bareki ba pele le ba bacha ba tsoang hae le mose ho maoatle ka matla. Bakeng sa phala ea carbon steel welded kapa e seamless e latela maemo a ASTM A53, re na le boiphihlelo ba lilemo tse fetang 30 ho reka le ho rekisa, e leng se ka netefatsang hore re na le bokhoni ba ho etsa bonnete ba hore liphaephe ka 'ngoe li maemong a holimo.
Mabapi le phala e se nang seamless, ho na le phala e se nang seamless ea fake e teng, e leng thepa ea mochini e tlase ho feta phala e se nang seam, hobane e entsoe ka phala ea ERW, kamora ts'ebetso, mohala oa eona oa welding o fetohile ho batla o sa bonahale. Pipe ena e mosa e ke ke ea mamella khatello e phahameng, 'me matla a tsitsitseng, khatello ea ka hare kaofela ha e khone ho finyella litlhoko tse mabapi le pipe e se nang moeli. Incase ho kopanya lipeipi tsena tse peli tse mosa, ka kopo hlokomela hore ERW pipe kaofela e entsoe ka likhoele tsa tšepe, ka hona e na le botenya ba lebota bo tšoanang haholo; phala e se nang seam e entsoe ka bareng e chitja, e phunyeletsa bohareng ba bar e chitja ho etsa liphaephe, kahoo botenya ba lebota ha bo tšoane. 'Me mohala oa weld oa pipe e se nang seamless ea fake o ntse o le teng, haeba u ka hlahloba pipe e ka hare ka hloko, u ka e fumana.
E sebelisoa haholo-holo bakeng sa likarolo tsa matla le khatello, le molemong oa kakaretso oa lipeipi tsa mouoane, metsi, khase le moea.
Kereiti e ka Sehloohong
G.A, GR.B
Karolo ea Lik'hemik'hale
Kereiti | Karolo % ≤ | ||||||||
C | Mn | P | S | CuA | NiA | CrA | MoA | VA | |
Mofuta oa S (peipi e se nang moeli) | |||||||||
G.A | 0.25B | 0.95 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
GR.B | 0.30C | 1.20 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
Mofuta oa E (Resistance welded pipe) | |||||||||
G.A | 0.25B | 0.95 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
GR.B | 0.30C | 1.20 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
Mofuta oa F | |||||||||
A | 0.30B | 1.20 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
A Kakaretso ea lintlha tsena tse hlano ha ea lokela ho ba kholo ho feta 1.00%.
B Bakeng sa phokotso e 'ngoe le e 'ngoe ea 0.01% ho palo e phahameng ea khabone, boholo ba manganese bo lumelloa ho eketseha ka 0.06%, empa boholo bo ke ke ba feta 1.35%.
C Phokotso e 'ngoe le e 'ngoe ea 0.01% ho palo e phahameng ea khabone e tla lumella boholo ba manganese ho eketseha ka 0.06%, empa boholo ha boa lokela ho feta 1.65%.
Thepa ea Mechini
ntho | G.A | GR.B |
matla a matla, ≥, psi [MPa] Kotulo e Matla, ≥, psi [MPa] Bolelele ba 2in.kapa 50mm | 48 000 [330]30 000 [205]A,B | 60 000 [415]35 000 [240]A,B |
A Bolelele ba bonyane ba gauge 2in. (50mm) e tla khethoa ka mokhoa o latelang:
e=625000(1940)A0.2/U0.9
e = bolelele ba bonyane ba gauge 2in. (50mm), peresente e lekanyelitsoe ho 0.5% e haufi;
A = E baloa ho ea ka bophara bo ka ntle bo boletsoeng ba tube ea lebitso kapa bophara bo tloaelehileng ba sampole e tsitsitseng le botenya ba eona ba lebota bo boletsoeng, 'me e pota-potiloe sebakeng se haufi-ufi sa sampuli ea 0.01 in.2 (1 mm2), mme E bapisoa le 0.75in.2 (500mm2), ho sa tsotellehe hore na ke efe e nyenyane.
U = matla a fokolang a fokolang, psi (MPa).
B Bakeng sa metswako e fapaneng ya boholo bo fapaneng ba disampole tsa teko le matla a fokolang a behilweng, bolelele bo hlokahalang bo bontshwa ho Lethathamo la X4.1 kapa Lethathamo la X4.2, ho latela ho sebetsa ha lona.
Tlhokahalo ea Teko
Teko ea tensile, teko ea ho khumama, tlhahlobo ea hydrostatic, tlhahlobo ea motlakase e sa senyeheng ea li-welds.
Matla a Phepelo
Matla a Phepelo: Lithane tse 2000 ka Khoeli Kereiting Ka 'ngoe ea ASTM A53/A53M-2012 Pipe ea Tšepe
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