ASTM A519Ho kenya liphaephe ho tla etsoa ka mokhoa o se nang sekoli 'me ho tla etsoa ka ho chesa kapa ka ho bata joalokaha ho boletsoe.
Bakeng sa lipeipi tse chitja tse nang le bophara ba kantle bo sa feteng 325 mm.
Liphaephe tsa tšepe li ka boela tsa etsoa ka libopeho tse sekoere, tse khutlonnetsepa, kapa tse ling ha ho hlokahala.
ASTM A519 e ka hlophisoa ho latela thepa ea tšepe:Tšepe ea Khabonele Tšepe e kopantsoeng.
Tšepe ea k'habonee arotsoe kaKhabone e Tlase MT(Mechine ea Liphaephe),Tšepe e Phahameng ea KhaboneleE hloekisitsoeng kapa e nang le phosphorus hape, kapa ka bobeliTšepe ea Khabone, ho lumellana le litlhoko tse fapaneng tsa indasteri le maemo a ts'ebeliso.
Ha ho se na sehlopha se boletsoeng, bahlahisi ba na le khetho ea ho fana kaMT1015 kapa MTX1020limaraka.
Bophara ba kantle: 13.7 - 325 mm;
Botenya ba lebota: 2-100mm.
Tšepe e ka etsoa ka mokhoa ofe kapa ofe.
Tšepe e ka etsoa ka li-ingot kapa ea etsoa ka khoele.
Liphaephe li tla etsoa kets'ebetso e se nang sekoli'me e tla ba e felileng ka ho chesa kapa e batang, joalo ka ha ho boletsoe.
Liphaephe tsa tšepe tse se nang mohele ke liphaephe tse se nang li-seam tse welletsoeng hohle.
Liphaephe tse batang tse felilengli khothaletsoa bakeng sa litlhoko tse phahameng tsa ho nepahala ha litekanyo le boleng ba bokaholimo.
Ntho e ka sehloohong e tšoenyang ke ho boloka litšenyehelo hantle le ho tiea ha thepa,phaephe ea tšepe e phethiloeng ka mochesoe ka ba khetho e loketseng haholoanyane.
Se latelang ke ts'ebetso ea tlhahiso ea phaephe ea tšepe e se nang sekoli e phuthoang ka ho chesa.
Moetsi oa tšepe o tla sekaseka mocheso oa tšepe ka 'ngoe ho fumana peresente ea likarolo tse boletsoeng.
Tafole ea 1 Litlhoko tsa Lik'hemik'hale tsa Litšepe tse se nang Khabone e Ntle
Tšepe e bobebe ke tšepe e nang le khabone e ngata e sa feteng 0.25%. Ka lebaka la khabone e tlase, tšepe ena e na le bokgoni bo betere ba ho dutla le ho tenyetseha mme ha e thata ebile ha e matla hakaalo ha e bapiswa le tshepe e nang le khabone e ngata.
Tafole ea 2 Litlhoko tsa Lik'hemik'hale tsa Litšepe tse Ling tsa Khabone
Litšepe tsa khabone tse mahareng: E na le khabone e pakeng tsa 0.25% le 0.60%, e fana ka thata le matla a mangata mme e hloka kalafo ya mocheso ho ntlafatsa thepa.
Tšepe e phahameng ea khabone: E na le khabone e pakeng tsa 0.60% le 1.0% kapa ho feta, mme e fana ka thata le matla a phahameng haholo, empa e na le matla a tlase.
Tafole ea 3 Litlhoko tsa Lik'hemik'hale bakeng sa Litšepe tsa Alloy
Tafole ea 4 Litlhoko tsa Lik'hemik'hale tsa Tšepe tsa Khabone tse Nchafalitsoeng kapa tse Nchafalitsoeng, kapa ka bobeli
TAFOLE 5 Tlhahlobo ea Sehlahisoa Mamello ea Sekhahla kapa Moeli o Hlalositsoeng ho feta kapa ka tlase
Moetsi o lokela ho kopuoa feela ho sekaseka sehlahisoa haeba se hlokoa ke odara.
ASTM A519 e akaretsa lintho tse latelang tsa liteko:
Teko ea ho tiea; Liteko tsa khatello; Teko e sa senyeheng; Teko ea ho phatloha ha mollo; Bohloeki le ho tiea ha tšepe.
| Tlhophiso ea Sehlopha | Mofuta oa Phaephe | Boemo | Matla a sa Feleng | Matla a Tekanyo | Ho lelefatsa ka 2in.[50mm],% | Rockwell, Sekala sa Bothata ba B | ||
| ksi | Mpa | ksi | Mpa | |||||
| 1020 | Tšepe ea Khabone | HR | 50 | 345 | 32 | 220 | 25 | 55 |
| CW | 70 | 485 | 60 | 415 | 5 | 75 | ||
| SR | 65 | 450 | 50 | 345 | 10 | 72 | ||
| A | 48 | 330 | 28 | 195 | 30 | 50 | ||
| N | 55 | 380 | 34 | 235 | 22 | 60 | ||
| 1025 | Tšepe ea Khabone | HR | 55 | 380 | 35 | 240 | 25 | 60 |
| CW | 75 | 515 | 65 | 450 | 5 | 80 | ||
| SR | 70 | 485 | 55 | 380 | 8 | 75 | ||
| A | 53 | 365 | 30 | 205 | 25 | 57 | ||
| N | 55 | 380 | 35 | 250 | 22 | 60 | ||
| 1035 | Tšepe ea Khabone | HR | 65 | 450 | 40 | 275 | 20 | 72 |
| CW | 85 | 585 | 75 | 515 | 5 | 88 | ||
| SR | 75 | 515 | 65 | 450 | 8 | 80 | ||
| A | 60 | 415 | 33 | 230 | 25 | 67 | ||
| N | 65 | 450 | 40 | 275 | 20 | 72 | ||
| 1045 | Tšepe ea Khabone | HR | 75 | 515 | 45 | 310 | 15 | 80 |
| CW | 90 | 620 | 80 | 550 | 5 | 90 | ||
| SR | 80 | 550 | 70 | 485 | 8 | 85 | ||
| A | 65 | 450 | 35 | 240 | 20 | 72 | ||
| N | 75 | 515 | 48 | 330 | 15 | 80 | ||
| 1050 | Tšepe ea Khabone | HR | 80 | 550 | 50 | 345 | 10 | 85 |
| SR | 82 | 565 | 70 | 485 | 6 | 86 | ||
| A | 68 | 470 | 38 | 260 | 18 | 74 | ||
| N | 75 | 540 | 50 | 345 | 12 | 82 | ||
| 1118 | E tsosolositsoe ka sebabole kapa e fetotsoeng phosphorus, kapa ka bobedi, Litšepe tsa Khabone | HR | 50 | 345 | 35 | 240 | 25 | 55 |
| CW | 75 | 515 | 60 | 415 | 5 | 80 | ||
| SR | 70 | 485 | 55 | 380 | 8 | 75 | ||
| A | 80 | 345 | 30 | 205 | 25 | 55 | ||
| N | 55 | 380 | 35 | 240 | 20 | 60 | ||
| 1137 | E tsosolositsoe ka sebabole kapa e fetotsoeng phosphorus, kapa ka bobedi, Litšepe tsa Khabone | HR | 70 | 485 | 40 | 275 | 20 | 75 |
| CW | 80 | 550 | 65 | 450 | 5 | 85 | ||
| SR | 75 | 515 | 60 | 415 | 8 | 80 | ||
| A | 65 | 450 | 35 | 240 | 22 | 72 | ||
| N | 70 | 485 | 43 | 295 | 15 | 75 | ||
| 4130 | Litšepe tsa motsoako | HR | 90 | 620 | 70 | 485 | 20 | 89 |
| SR | 105 | 725 | 85 | 585 | 10 | 95 | ||
| A | 75 | 515 | 55 | 380 | 30 | 81 | ||
| N | 90 | 620 | 60 | 415 | 20 | 89 | ||
| 4140 | Litšepe tsa motsoako | HR | 120 | 825 | 90 | 620 | 15 | 100 |
| SR | 120 | 825 | 100 | 690 | 10 | 100 | ||
| A | 80 | 550 | 60 | 415 | 25 | 85 | ||
| N | 120 | 825 | 90 | 620 | 20 | 100 | ||
HR-E phutholohile ka ho Chesa, e Sebetsang ka CW-E batang, e Imollotsoeng Khatellong ea Maikutlo, e A-E atolositsoeng le e sa Tloaelehang.
Mamello ea Bophara ba Kantle
Tafole ea 6 Mamello ea Bophara ba Kantlebakeng sa Tubing e Potolohileng e Felletseng
Tafole ea 12 Mamello ea Bophara ba Kantle bakeng saLiphaephe tse se nang seamless fatše
| Boholo ba Kantle, ka hare.[mm] | Mamello ea Bophara ba Kantle bakeng sa Boholo le Bolelele bo Fanoeng, ka hare ho. [mm] | |||
| Ho felile | Tlas'a | Ho felile | Tlas'a | |
| OD≤1 1/4 [31.8] | 0.003 [0.08] ha L≤16ft[4.9m] | 0.000 | 0.004 [0.10] ha L ＞16ft[4.9m] | 0.000 |
| 1 1/4 [31.8]＜ OD ≤2[50.8] | 0.005 [0.13] ha L≤16ft[4.9m] | 0.000 | 0.006 [0.15] ha L ＞16ft[4.9m] | 0.000 |
| 2 [50.8]＜ OD ≤3 [76.2] | 0.005 [0.13] ha L≤12ft[3.7m] | 0.000 | 0.006 [0.15] ha L≤16ft[4.9m] | 0.000 |
| 3 [76.2]＜ OD ≤4 [101.6] | 0.006 [0.15] ha L≤12ft[3.7m] | 0.000 | 0.006 [0.15] ha L≤16ft[4.9m] | 0.000 |
Mamello ea Botenya ba Lebota
Tafole ea 7 Mamello ea Botenya ba Lebotabakeng sa Tubing e Potolohileng e Felletseng
Tafole ea 10 Mamello ea Botenya ba Lebotabakeng sa Tube e Sebelisoang ka Cold-Work
| Mekhahlelo ea Botenya ba Lebota e le Peresente ea Bophara ba Kantle | Botenya ba Lebota Mamello e sa Feleng le e Tlase ea Lebitso, % | |
| OD≤1.499in[38.07mm] | OD≥1.500 ka hare ho [38.10mm] | |
| OD/Boima≤25 | 10.0 | 7.5 |
| OD/Boima ＞25 | 12.5 | 10.0 |
Mamello ea Bophara ba Kantle le ba ka Hare
Tafole ea 8 Mamello ea Bophara ba Kantle le ba Kahare bakeng saLiphaephe tse chitja tse sebetsang ka serame (Liyuniti tsa lisenthimithara)
Tafole ea 9 Mamello ea Bophara ba Kantle le ba Ka Harebakeng sa Liphaephe tse Selikalikoe tse Sebelisitsoeng ka Cold (Liyuniti tsa SI)
Bophara ba Kantle le Botenya ba Lebota Mamello
Tafole ea 11 Bophara ba Kantle le Mamello ea Lebotabakeng sa Liphaephe tsa Tšepe tse se nang Seam tse Fetotsoeng ka Bohlasoa
| Boholo bo Boletsweng ka Ntle ho Bophara, ka hare. [mm] | Bophara ba Kantle, ka hare. [mm] | Botenya ba lebota, % |
| ＜6 3/4 [171.4] | ±0.005 [0.13] | ± 12.5 |
| 6 3/4 - 8 [171.4 - 203.2] | ±0.010 [0.25] | ± 12.5 |
Mamello ea Bolelele
Tafole ea 13 Mamello ea Bolelelebakeng sa Tubing e Potolohileng e Felletseng ka ho Chesa kapa e Batang
Mamello ea ho Otloloha
Tafole ea 14 Mamello ea ho Otlolohabakeng sa Liphaephe tsa Mechini tse se nang Seamless Round
Phaephe e lokela ho tlotsoa ka filimi ea oli pele e etsoa ka mokhoa oa ho e bopa ho thibela ho rusa.
Oli e thibelang mafome e ka boela ea sebelisoa holim'a bokaholimo ba ka hare le ba kantle ba phaephe.
Lifofane le lifofane: tlhahiso ea likarolo tsa bohlokoa tse kang lienjine tsa lifofane le litsamaiso tsa tšehetso ea sefofa-sebakeng.
Indasteri ea eneji: thepa ea ho cheka le tlhahiso ea liphaephe tsa boiler tse nang le khatello e phahameng.
Tlhahiso ea mechini le lisebelisoa: Dikarolo tsa mantlha tse etsang mefuta e mengata ya mechini le disebediswa tsa indasteri.
Lisebelisoa tsa lipapali: Ho etsa diforeimi tsa dibaesekele tse sebetsang hantle le dibaka tse ding tsa dipapadi.
Kaho le kaho: likarolo tsa tšehetso ea sebopeho bakeng sa mehaho le lits'ebetso libakeng tse nang le khatello e phahameng.
1. EN 10297-1: E355, 25CrMo4, 42CrMo4, jj. Thepa ena e ka nkoa e lekana le litšepe tse ling tsa khabone le tsa alloy ho ASTM A519.
2. DIN 1629: St52, St37.4, jj. Hangata di sebediswa bakeng sa merero ya mechine le ya sebopeho, tsena di tshwana le dikereiti tsa tshepe e bobebe ho ASTM A519.
3. JIS G3445: STKM13A, STKM13B, jj. Tsena ke diphaephe tsa tshepe ya khabone tse sebediswang bakeng sa merero ya mechini le ya sebopeho.
4. BS 6323:CFS 3, CFS 4, CFS 8, jj. Tsena ke diphaephe tsa tshepe tse se nang moedi le tse welditsweng bakeng sa merero ya boenjiniere ba dikoloi, ba mechini le ba kakaretso.
5. GB/T 8162:20#, 45#, 40Cr, 20CrMo, jj. Liphaephe tsa tšepe tse se nang seamless bakeng sa sebopeho se akaretsang le sebopeho sa mechini.
6. ISO 683-17:100Cr6, jj., e sebediswang haholo tlhahisong ya di-bearing, e ka boela ya sebediswa boenjiniereng ba mechini mme e na le ditshebediso tse tshwanang le di-steel tse itseng tsa alloy tsa ASTM A519.
Ha o kgetha thepa e lekanang, ho bohlokwa ho sheba sebopeho se qaqileng sa dikhemikhale le dibopeho tsa thepa ya mechini ho netefatsa hore thepa e kgethilweng e tla fihlela ditlhoko tsa tshebetso tsa tshebediso e itseng.
Ho tloha ha e theoa ka 2014, Botop Steel e se e le mofani ea ka sehloohong oa liphaephe tsa tšepe ea khabone Leboea la Chaena, e tsebahalang ka tšebeletso e ntle haholo, lihlahisoa tsa boleng bo holimo, le litharollo tse felletseng. Khamphani e fana ka mefuta e fapaneng ea liphaephe tsa tšepe ea khabone le lihlahisoa tse amanang le tsona, ho kenyeletsoa le liphaephe tsa tšepe tse se nang sekoli, ERW, LSAW, le SSAW, hammoho le lethathamo le felletseng la liphaephe le li-flange.
Lihlahisoa tsa eona tse ikhethang li boetse li kenyelletsa litšepe tse kopantsoeng tsa boleng bo holimo le litšepe tse sa hloekang tsa austenitic, tse etselitsoeng ho fihlela litlhoko tsa merero e fapaneng ea liphaephe.
