JIS G 3454ndiyo mwero weindasitiri wekuJapan wemapombi esimbi yekabhoni kune masisitimu ekumanikidza ane tembiricha yepamusoro yekushanda ye350°C. Mwero uyu unosanganisira mamakisi maviri:STPG 370uyeSTPG 410Inoshanda pamapombi ane musono ane simba remagetsi (ERW) kana kuti asina musono ane dhayamita ye10.5 mm kusvika 660.4 mm (kureva 6A kusvika 650A, kana 1/8B kusvika 26B).
JIS G 3454 Mapaipi esimbi anofanira kugadzirwa achishandisa musanganiswa wakakodzera wenzira dzekugadzira mapaipi esimbi uye nzira dzekupedzisa dziri patafura iri pazasi.
| Chiratidzo chegiredhi | Chiratidzo chemaitiro ekugadzira | ||
| Maitiro ekugadzira mapaipi | Nzira yekupedzisa | Kupatsanurwa kwe zinc-coating | |
| STPG370 STPG410 | Musono: S Kudzivirirwa kwemagetsi kwakabatana: E | Yakapedzwa nekupisa: H Yakapedzwa nechando: C Sezvo simba rekudzivirira magetsi rakasungirirwa: G | Mapaipi matema: mapaipi asina kuputirwa ne zinc Mapaipi machena: mapaipi akafukidzwa ne zinc-coating |
Kunyanya, kune nzira shanu dzekugadzira:
SH: Pombi yesimbi isina musono yakapedzwa nekupisa;
SC: Pombi yesimbi isina musono yakapedzwa nechando;
EH: Pombi yesimbi yakasungirirwa ine simba remagetsi rinopisa;
EC: Pombi yesimbi yakasungirirwa inopinzwa nemagetsi inotonhora;
EG: Mapaipi esimbi akasungirirwa anodzivirira magetsi kunze kweanopedzwa anopisa uye anotonhora.
Simbi yeBotopinogadzira uye inopa mapaipi esimbi yekabhoni yemhando yepamusoro yakasungirirwa kubva kuChina, pamwe nekutengesa mapaipi esimbi asina musono. Kana muine zvamunoda, ndapota musazeza kutibata uye tichakupai rutsigiro rwehunyanzvi rwepachena.
| Chiratidzo chegiredhi | C | Si | Mn | P | S |
| zvakanyanya | zvakanyanya | — | zvakanyanya | zvakanyanya | |
| STPG 370 | 0.25% | 0.35% | 0.30-0.90% | 0.040% | 0.040% |
| STPG 410 | 0.30% | 0.35% | 0.30-1.00% | 0.040% | 0.040% |
Inobvumira kuwedzerwa kwezvimwe zvinhu zve alloying.
Simba reKusimba, Kukosha kweKubudirira kana Kusimbiswa, uye Kureba
| Chiratidzo yegiredhi | Simba rekusimba | Poindi yekukohwa kana kushushikana kweuchapupu | Kureba miniti, % | |||
| Chidimbu chekuyedza cheTensile | ||||||
| Nhamba 11 kana Nhamba 12 | Nhamba 5 | Nhamba 4 | ||||
| N/mm² (MPA) | N/mm² (MPA) | Kutungamirirwa kwekuyedza kwesimba | ||||
| miniti | miniti | Yakafanana netambo yepombi | Yakamira padivi repombi | Yakafanana netambo yepombi | Yakamira padivi repombi | |
| STPT370 | 370 | 215 | 30 | 25 | 28 | 23 |
| STPT410 | 410 | 245 | 25 | 20 | 24 | 19 |
Muedzo weKubata-bata
Kana daro riri pakati pemaplate maviri rasvika padaro rakatarwa H, hapafanire kuva nekukanganisika kana mitswe pamusoro pepombi yesimbi.
Kune machubhu esimbi asina musono: H = (1+e)t/(e + t/D);
Kune mapaipi esimbi eERW: H = 1/3 D (yekunamira) kana H = 2/3 D (yechikamu chisina kunamira);
H: chinhambwe chiri pakati pemaplate ekuisa mativi (mm);
е: chinoramba chakatsanangurwa chimwe nechimwe chegiredhi rega rega repombi, 0.08 yeSTPG 370, 0.07 yeSTPG 410;
t: ukobvu hwemadziro epombi (mm);
D: dhayamita yekunze kwepombi (mm);
Kuedza Kutsetseka kunoshanda kumapaipi esimbi ane dhayamita yepamusoro inodarika 40A (48.6mm).
Kugona kukotama
Kukombama kunoshanda kumapombi ane dhayamita ye40 A (48.6) kana pasi.
Pombi inofanira kukotama 90° padhayamita yekunze yakapetwa katanhatu. Madziro epombi anofanira kunge asina zvikanganiso kana mitswe.
Pombi yega yega yesimbi inofanira kuongororwa nekumanikidzwa kwemvura kana kuti kwete kukuvadza.
Kuedzwa kweHydrostatic
Chengeta kumanikidzwa kwakati kwemasekondi mashanu pasina kubuda kwemvura.
Kukosha kwekumanikidzwa kwakabatana nenhamba yepurogiramu yepombi yesimbi.
| Ukobvu hwemadziro ezita | Nhamba yepurogiramu: Sch | |||||
| 10 | 20 | 30 | 40 | 60 | 80 | |
| Kumanikidzwa kushoma kwekuyedza kwe hydraulic, Mpa | 2.0 | 3.5 | 5.0 | 6.0 | 9.0 | 12 |
Muedzo Usingaparadze
Kana kuongororwa kwe ultrasonic kuchishandiswa, kunofanirwa kunge kwakavakirwa pachiyero chakasimba kupfuura chiratidzo che UD class muJIS G 0582.
Kana kuyedzwa kwe eddy current kuchishandiswa, kunofanirwa kunge kwakavakirwa pachiyero chakasimba kupfuura chiratidzo chekirasi yeEY muJIS G 0583.
| Dhayamita yezita | Dhayamita yekunze | Ukobvu hwemadziro | Huremu hwechikamu | Nhamba yechirongwa (Nhamba yeSch) | |
| A | B | mm | mm | kg/m | |
| 6 | 1/8 | 10.5 | 1.7 | 0.369 | 40 |
| 6 | 1/8 | 10.5 | 2.2 | 0.450 | 60 |
| 6 | 1/8 | 10.5 | 2.4 | 0.479 | 80 |
| 8 | 1/4 | 13.8 | 2.2 | 0.629 | 40 |
| 8 | 1/4 | 13.8 | 2.4 | 0.675 | 60 |
| 8 | 1/4 | 13.8 | 3.0 | 0.799 | 80 |
| 10 | 3/8 | 17.3 | 2.3 | 0.851 | 40 |
| 10 | 3/8 | 17.3 | 2.8 | 1.00 | 60 |
| 10 | 3/8 | 17.3 | 3.2 | 1.11 | 80 |
| 15 | 1/2 | 21.7 | 2.8 | 1.31 | 40 |
| 15 | 1/2 | 21.7 | 3.2 | 1.46 | 60 |
| 15 | 1/2 | 21.7 | 3.7 | 1.64 | 80 |
| 20 | 3/4 | 27.2 | 2.9 | 1.74 | 40 |
| 20 | 3/4 | 27.2 | 3.4 | 2.00 | 60 |
| 20 | 3/4 | 27.2 | 3.9 | 2.24 | 80 |
| 25 | 1 | 34.0 | 3.4 | 2.57 | 40 |
| 25 | 1 | 34.0 | 3.9 | 2.89 | 60 |
| 25 | 1 | 34.0 | 4.5 | 3.27 | 80 |
| 32 | 1 1/4 | 42.7 | 3.6 | 3.47 | 40 |
| 32 | 1 1/4 | 42.7 | 4.5 | 4.24 | 60 |
| 32 | 1 1/4 | 42.7 | 4.9 | 4.57 | 80 |
| 40 | 1 1/2 | 48.6 | 3.7 | 4.10 | 40 |
| 40 | 1 1/2 | 48.6 | 4.5 | 4.89 | 60 |
| 40 | 1 1/2 | 48.6 | 5.1 | 5.47 | 80 |
| 50 | 2 | 60.5 | 3.2 | 4.52 | 20 |
| 50 | 2 | 60.5 | 3.9 | 5.44 | 40 |
| 50 | 2 | 60.5 | 4.9 | 6.72 | 60 |
| 50 | 2 | 60.5 | 5.5 | 7.46 | 80 |
| 65 | 2 1/2 | 76.3 | 4.5 | 7.97 | 20 |
| 65 | 2 1/2 | 76.3 | 5.2 | 9.12 | 40 |
| 65 | 2 1/2 | 76.3 | 6.0 | 10.4 | 60 |
| 65 | 2 1/2 | 76.3 | 7.0 | 12.0 | 80 |
| 80 | 3 | 89.1 | 4.5 | 9.39 | 20 |
| 80 | 3 | 89.1 | 5.5 | 11.3 | 40 |
| 80 | 3 | 89.1 | 6.6 | 13.4 | 60 |
| 80 | 3 | 89.1 | 7.6 | 15.3 | 80 |
| 90 | 3 1/2 | 101.6 | 4.5 | 10.8 | 20 |
| 90 | 3 1/2 | 101.6 | 5.7 | 13.5 | 40 |
| 90 | 3 1/2 | 101.6 | 7.0 | 16.3 | 60 |
| 90 | 3 1/2 | 101.6 | 8.1 | 18.7 | 80 |
| 100 | 4 | 114.3 | 4.9 | 13.2 | 20 |
| 100 | 4 | 114.3 | 6.0 | 16.0 | 40 |
| 100 | 4 | 114.3 | 7.1 | 18.8 | 60 |
| 100 | 4 | 114.3 | 8.6 | 22.4 | 80 |
| 125 | 5 | 139.8 | 5.1 | 16.9 | 20 |
| 125 | 5 | 139.8 | 6.6 | 12.7 | 40 |
| 125 | 5 | 139.8 | 8.1 | 26.3 | 60 |
| 125 | 5 | 139.8 | 9.5 | 30.5 | 80 |
| 150 | 6 | 165.2 | 5.5 | 21.7 | 20 |
| 150 | 6 | 165.2 | 7.1 | 27.7 | 40 |
| 150 | 6 | 165.2 | 9.3 | 35.8 | 60 |
| 150 | 6 | 165.2 | 11.0 | 41.8 | 80 |
| 200 | 8 | 216.3 | 6.4 | 33.1 | 20 |
| 200 | 8 | 216.3 | 7.0 | 36.1 | 30 |
| 200 | 8 | 216.3 | 8.2 | 42.1 | 40 |
| 200 | 8 | 216.3 | 10.3 | 52.3 | 60 |
| 200 | 8 | 216.3 | 12.7 | 63.8 | 80 |
| 250 | 10 | 267.4 | 6.4 | 41.2 | 20 |
| 250 | 10 | 267.4 | 7.8 | 49.9 | 30 |
| 250 | 10 | 267.4 | 9.3 | 59.2 | 40 |
| 250 | 10 | 267.4 | 12.7 | 79.8 | 60 |
| 250 | 10 | 267.4 | 15.1 | 93.9 | 80 |
| 300 | 12 | 318.5 | 6.4 | 49.3 | 20 |
| 300 | 12 | 318.5 | 8.4 | 64.2 | 30 |
| 300 | 12 | 318.5 | 10.3 | 78.3 | 40 |
| 300 | 12 | 318.5 | 14.3 | 107 | 60 |
| 300 | 12 | 318.5 | 17.4 | 129 | 80 |
| 350 | 14 | 355.6 | 6.4 | 55.1 | 10 |
| 350 | 14 | 355.6 | 7.9 | 67.7 | 20 |
| 350 | 14 | 355.6 | 9.5 | 81.1 | 30 |
| 350 | 14 | 355.6 | 11.1 | 94.3 | 40 |
| 350 | 14 | 355.6 | 15.1 | 127 | 60 |
| 350 | 14 | 355.6 | 19.0 | 158 | 80 |
| 400 | 16 | 406.4 | 6.4 | 63.1 | 10 |
| 400 | 16 | 406.4 | 7.9 | 77.6 | 20 |
| 400 | 16 | 406.4 | 9.5 | 93.0 | 30 |
| 400 | 16 | 406.4 | 12.7 | 123 | 40 |
| 400 | 16 | 406.4 | 16.7 | 160 | 60 |
| 400 | 16 | 406.4 | 21.4 | 203 | 80 |
| 450 | 18 | 457.2 | 6.4 | 71.1 | 10 |
| 450 | 18 | 457.2 | 7.9 | 87.5 | 20 |
| 450 | 18 | 457.2 | 11.1 | 122 | 30 |
| 450 | 18 | 457.2 | 14.3 | 156 | 40 |
| 450 | 18 | 457.2 | 19.0 | 205 | 60 |
| 450 | 18 | 457.2 | 23.8 | 254 | 80 |
| 500 | 20 | 508.0 | 6.4 | 79.2 | 10 |
| 500 | 20 | 508.0 | 9.5 | 117 | 20 |
| 500 | 20 | 508.0 | 12.7 | 155 | 30 |
| 500 | 20 | 508.0 | 15.1 | 184 | 40 |
| 500 | 20 | 508.0 | 20.6 | 248 | 60 |
| 500 | 20 | 508.0 | 26.2 | 311 | 80 |
| 550 | 22 | 558.8 | 6.4 | 87.2 | 10 |
| 550 | 22 | 558.8 | 9.5 | 129 | 20 |
| 550 | 22 | 558.8 | 12.7 | 171 | 30 |
| 550 | 22 | 558.8 | 15.9 | 213 | 40 |
| 600 | 24 | 609.6 | 6.4 | 95.2 | 10 |
| 600 | 24 | 609.6 | 9.5 | 141 | 20 |
| 600 | 24 | 609.6 | 14.3 | 210 | 30 |
| 650 | 26 | 660.4 | 7.9 | 127 | 10 |
| 650 | 26 | 660.4 | 12.7 | 203 | 20 |
JIS G 3454 inosanganisirapurogiramu 10, purogiramu 20, purogiramu 30, purogiramu 40, purogiramu 60uyepurogiramu 80.
Unogona kudzvanya pane purogiramu Nhamba yaunoda kuona; takaronga maPDF anoenderana newe kuti zvikuitire nyore.
JIS G 3454 Kushivirira kwedhayamita yekunze, ukobvu hwemadziro, hunhu hwayo, uye hurefu zvinofanirwa kusangana nezvinodiwa zvinotevera.
Kubva payakatangwa muna 2014, Botop Steel yave kambani inotungamira mukutengesa mapaipi esimbi yekabhoni kuChamhembe kweChina, inozivikanwa nebasa rakanaka kwazvo, zvigadzirwa zvemhando yepamusoro, uye mhinduro dzakakwana.
Kambani iyi inopa mapaipi akasiyana-siyana esimbi yekabhoni nezvimwe zvigadzirwa zvine chekuita nayo, zvinosanganisira mapaipi esimbi asina musono, ERW, LSAW, uye SSAW, pamwe chete nehurongwa hwakazara hwemapipi nemaflange.
Zvigadzirwa zvayo zvehunyanzvi zvinosanganisirawo alloys dzemhando yepamusoro uye simbi dzisina ngura dzinoshandiswa mukugadzira, dzakagadzirirwa kusangana nezvinodiwa nemapurojekiti akasiyana-siyana emapombi.
Ndapota taurai nesu, tichakupai mapaipi esimbi emhando yepamusoro, akajairika, ane basa rehunyanzvi uye rinoshanda zvakanaka. Botop inotarisira kukushandirai.
