Pipe ea tšepe ea ASTM A213
| Ntho | ASTM A213 T12 Alloy tšepe pipe / tube | |
| Standard | ASTM A213, JIS G3462, JIS G3458, DIN17175, GB9948,GB 6479, joalo-joalo. | |
| Lintho tse bonahalang | T12, STBA22, 15CrMo. | |
| Litlhaloso | Botenya ba lebota | 1mm ~ 120mm |
| Ka ntle bophara | 6mm ~ 2500mm | |
| Bolelele | 5.8m, 6m, 11.8m, 12m, kapa kamoo ho hlokahalang. | |
| Bokaholimo | Pente e ntšo, e koahetsoeng ka PE. | |
| Sebopeho sa lik'hemik'hale | C:0.05~0.15, Si≤0.5, Mon: 0.30~0.61, P≤0.025, S≤0.025, Mo:0.44~0.65, Cr:0.80-1.25 | |
| Nako ea Theko | Mosebetsi oa khale, FOB, CIF, CFR, joalo-joalo. | |
| Tefo Nako | TT, LC , OA , D/P | |
| Export to | Singapore, Canada, Indonesia, Korea, USA, UK, Thailand, Peru, Saudi Arabia, Viet Nam, Iran, India, Ukraine, Brazil, Afrika Boroa, joalo-joalo. | |
| Nako ea thomello | Nako ea thomello: Matsatsing a 30 mme e ipapisitse le palo ea odara ea hau. | |
| Sephutheloana | Romella sephutheloana se tloaelehileng;lebokoso la mapolanka le phuthetsoeng, sutu bakeng sa mefuta eohle ea lipalangoang, kapa ho hlokahala | |
| Kopo | 1) boiler, mocheso oa mocheso;2) Petroleum;3) Aerospace;4) lik'hemik'hale;5) matla a motlakase;6) Sesole. | |
ASTM A213 Alloy Steel Chemical Composition(%, max)
| Kereiti ea tšepe | Sebopeho sa Lik'hemik'hale% | ||||||||||||
| C | Si | Mn | P, S Max | Cr | Mo | Ke Max | V | Al Max | W | B | Nb | N | |
| T2 | 0.10~0.20 | 0.10~0.30 | 0.30~0,61 | 0.025 | 0.50~0,81 | 0.44 ~ 0,65 | - | - | - | - | - | - | - |
| T11 | 0.05~0.15 | 0.50 ~ 1.00 | 0.30~0,60 | 0.025 | 1.00 ~ 1.50 | 0.44 ~ 0,65 | - | - | - | - | - | - | - |
| T12 | 0.05~0.15 | Boholo ba 0.5 | 0.30~0,61 | 0.025 | 0.80~1,25 | 0.44 ~ 0,65 | - | - | - | - | - | - | - |
| T22 | 0.05~0.15 | Boholo ba 0.5 | 0.30~0,60 | 0.025 | 1.90~2,60 | 0.87~1.13 | - | - | - | - | - | - | - |
| T91 | 0.07~0.14 | 0.20~0,50 | 0.30~0,60 | 0.02 | 8.0~9.5 | 0.85~1.05 | 0.4 | 0.18~0,25 | 0.015 | - | - | 0.06~0.10 | 0.03~0.07 |
| T92 | 0.07~0.13 | Boholo ba 0.5 | 0.30~0,60 | 0.02 | 8.5~9.5 | 0.30~0,60 | 0.4 | 0.15~0,25 | 0.015 | 1.50 ~ 2.00 | 0.001~0.006 | 0.04~0.09 | 0.03~0.07 |
Thepa ea ASTM A213 Alloy Steel Mechanical:
| Kereiti ea tšepe | Thepa ea Mechini | |||
| T. S | Y. P | Elongation | Ho thatafala | |
| T2 | ≥415MPa | ≥ 205MPa | ≥ 30% | 163HBW(85HRB) |
| T11 | ≥415MPa | ≥ 205MPa | ≥ 30% | 163HBW(85HRB) |
| T12 | ≥415MPa | ≥ 220MPa | ≥ 30% | 163HBW(85HRB) |
| T22 | ≥415MPa | ≥ 205MPa | ≥ 30% | 163HBW(85HRB) |
| T91 | ≥ 585MPa | ≥415MPa | ≥ 20% | 250HBW(25HRB) |
| T92 | ≥ 620MPa | ≥440MPa | ≥ 20% | 250HBW(25HRB) |
ASTM A213 Steel Tubes Ka Ntle Diameter le Mamello ea Botenya ba Lebota
| OD, mm | OD Mamello |
| <25.4 | +/- 0.10 |
| 25.4 - <= 38.1 | +/- 0.15 |
| > 38.1 -< 50.8 | +/- 0.20 |
| 50.8 -< 63.5 | +/- 0,25 |
| 63.5 -< 76.2 | +/- 0.30 |
| 76.2 - <= 101.6 | +/- 0.38 |
| > 101,6 - <= 190,5 | +0,38/-0,64 |
| > 190,5 - <= 228,6 | +0.38/-1.14 |
| OD, mm | Mamello ea WT |
| <= 38.1 | +20%/-0 |
| > 38.1 | +22%/-0 |
Boemo bo tloaelehileng ba ASTM A213
1.1 Litlhaloso tsena li akaretsa liboiler tsa tšepe tse seamless ferritic le austenitic, superheater, le li-tubes tse fapanyetsanang mocheso, tse khethiloeng Kereiti ea T91, TP304, joalo-joalo. Litšepe tsena li thathamisitsoe ho Tafole 1 le 2.
1.2 Lihlopha tse nang le tlhaku, H, ha li khethoa, li na le litlhoko tse fapaneng le tsa limaraka tse tšoanang tse se nang tlhaku, H. Litlhoko tsena tse fapaneng li fana ka matla a phahameng a ho qhoma ho feta a tloaelehileng a ka finyelloang lihlopheng tse tšoanang ntle le litlhoko tsena tse fapaneng.
1.3 Boholo ba liphaephe le botenya bo atisang ho fanoa ho latela tlhaloso ena ke 1/8 in. [3.2 mm] bophara ba ka hare ho 5. [127 mm] ka bophara ba ka ntle le 0.015 ho 0.500 in. [0.4 ho 12.7 limilimithara], ho kopanyelletsa, ka bonyane botenya ba lebota kapa, haeba ho boletsoe ka tatellano, botenya ba lebota bo tloaelehileng.Li-tubing tse nang le li-diameter tse ling li ka fanoa, ha feela li-tubes tse joalo li lumellana le litlhoko tse ling tsa tlhaloso ena.
1.4 Litekanyetso tse boletsoeng ho li-unit tsa SI kapa li-inch-pound li lokela ho nkuoa ka thoko joalo ka maemo.Ka har'a mongolo, li-unit tsa SI li bonts'oa ka masakaneng.Litekanyetso tse boletsoeng tsamaisong e 'ngoe le e' ngoe li ka 'na tsa se ke tsa lekana hantle;ka hona, tsamaiso e 'ngoe le e 'ngoe e tla sebelisoa ka ntle ho e 'ngoe.Ho kopanya litekanyetso tse tsoang ho litsamaiso tse peli ho ka baka ho se lumellane le maemo.Liyuniti tsa inch-pound li tla sebetsa ntle le haeba lebitso la "M" la tlhaloso ena le boletsoe ka tatellano.
TABLE 1 Meeli ea Moetso oa Lik'hemik'hale,% A, bakeng sa Low Alloy SteelA Maximum, ntle le haeba ho bonts'itsoe marang-rang kapa bonyane.Moo li-ellipses (...) li hlahang tafoleng ena, ha ho hlokahale, 'me tlhahlobo ea element ha ea lokela ho khethoa kapa ho tlalehoa.
B E lumelletsoe ho odara T2 le T12 e nang le sulphur content ea 0.045 max..
C Ntle le moo, sebakeng sa bonyane ba karo-karolelano ena, thepa e tla ba le boima ba bonyane ba 275 HV boemong bo thatafalitsoeng, bo hlalosoang e le ka mor'a austenitizing le ho pholile mocheso oa kamore empa pele ho mocheso.Teko ea boima e tla etsoa bohareng ba botenya ba sehlahisoa.Khafetsa ea teko ea boima e tla ba lisampole tse peli tsa sehlahisoa ho latela sebaka sa kalafo ea mocheso 'me liphetho tsa tlhahlobo ea boima li tla tlalehoa tlalehong ea tlhahlobo ea thepa.
Bokaholimo bo pentiloe, 'me PE e koahetsoe
