JIS G 3454yog tus qauv kev lag luam Nyij Pooj rau cov kav hlau carbon rau cov tshuab siab nrog qhov kub ua haujlwm siab tshaj plaws ntawm 350 ° C. Tus qauv suav nrog ob qib:STPG 370thiabSTPG 410. Nws siv rau cov kav dej hluav taws xob uas tsis muaj zog (ERW) lossis cov kav dej seamless nrog lub cheeb tsam nominal ntawm 10.5 hli mus rau 660.4 hli (piv txwv li 6A mus rau 650A, lossis 1/8B mus rau 26B).
JIS G 3454 Cov kav hlau yuav tsum tau tsim los ntawm kev siv cov txheej txheem tsim cov kav hlau thiab cov txheej txheem ua tiav hauv lub rooj hauv qab no.
| Lub cim ntawm qib | Lub cim ntawm cov txheej txheem tsim khoom | ||
| Cov txheej txheem tsim cov yeeb nkab | Txoj kev ua tiav | Kev faib tawm ntawm zinc-txheej | |
| STPG370 STPG410 | Tsis Muaj Qhov Txuas: S Hluav taws xob tsis kam welded: E | Kub-tiav lawm: H Txias-tiav: C Raws li hluav taws xob tsis kam welded: G | Cov kav dej dub: cov kav dej tsis tau muab zinc-txheej Cov kav dej dawb: cov kav dej uas tau muab zinc-txheej |
Tshwj xeeb, muaj tsib txoj kev tsim khoom:
SH: Cov yeeb nkab hlau kub-tiav seamless;
SC: Cov yeeb nkab hlau seamless uas txias lawm;
EH: Kub-ua tiav hluav taws xob tsis kam welded steel yeeb nkab;
EC: Txias-ua tiav hluav taws xob tiv taus welded steel yeeb nkab;
EG: Cov yeeb nkab hlau uas vuam hluav taws xob tsis yog cov uas kub thiab txias lawm.
Botop Hlauyog ib lub chaw tsim khoom thiab muab cov kav hlau carbon zoo los ntawm Tuam Tshoj, thiab yog ib lub khw muag khoom ntawm cov kav hlau tsis muaj seamless. Yog tias koj muaj kev xav tau, thov koj xav tiv tauj peb thiab peb yuav muab kev txhawb nqa kev tshaj lij dawb rau koj.
| Lub cim ntawm qib | C | Si | Mn | P | S |
| siab tshaj plaws | siab tshaj plaws | — | siab tshaj plaws | siab tshaj plaws | |
| 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% |
Tso cai rau kev ntxiv lwm cov ntsiab lus alloying.
Lub Zog Tensile, Yield Point lossis Proof Stress, thiab Elongation
| Lub Cim ntawm qib | Lub zog tensile | Cov ntsiab lus tawm los yog kev ntxhov siab pov thawj | Kev ntev tsawg kawg, % | |||
| Daim ntawv xeem tensile | ||||||
| Naj Npawb 11 los yog Naj Npawb 12 | Naj Npawb 5 | Naj Npawb 4 | ||||
| N/mm² (MPA) | N/mm² (MPA) | Kev taw qhia ntawm kev sim tensile | ||||
| feeb | feeb | Sib luag rau lub axis ntawm lub yeeb nkab | Perpendicular rau lub axis ntawm lub yeeb nkab | Sib luag rau lub axis ntawm lub yeeb nkab | Perpendicular rau lub axis ntawm lub yeeb nkab | |
| STPT370 | 370 | 215 | 30 | 25 | 28 | 23 |
| STPT410 | 410 | 245 | 25 | 20 | 24 | 19 |
Kev Ntsuas Kom Sib Nqus
Thaum qhov deb ntawm ob lub phaj ncav cuag qhov deb H uas tau teev tseg, yuav tsum tsis muaj qhov tsis zoo lossis tawg ntawm qhov chaw ntawm cov yeeb nkab hlau.
Rau cov kav hlau tsis muaj seamless: H = (1 + e) t / (e + t / D);
Rau cov kav hlau ERW: H = 1/3 D (rau vuam) lossis H = 2/3 D (rau qhov tsis muaj vuam);
H: qhov deb ntawm cov phaj tiaj tiaj (hli);
е: qhov tsis hloov pauv tau txhais rau txhua qib ntawm cov yeeb nkab, 0.08 rau STPG 370, 0.07 rau STPG 410;
t: phab ntsa tuab ntawm cov yeeb nkab (hli);
D: sab nraud ntawm cov yeeb nkab (hli);
Kev Ntsuas Flattening siv tau rau cov kav hlau uas muaj lub cheeb nominal loj dua 40A (48.6mm).
Kev khoov tau
Qhov khoov tau siv rau cov kav dej uas muaj txoj kab uas hla ntawm 40 A (48.6) lossis me dua.
Cov yeeb nkab yuav tsum tau khoov 90° ntawm lub vojvoog ntawm 6 npaug ntawm nws txoj kab uas hla sab nraud. Phab ntsa yeeb nkab yuav tsum tsis muaj qhov tsis zoo lossis tawg.
Txhua lub yeeb nkab hlau yuav tsum dhau qhov kev sim hydrostatic pressure lossis kev sim tsis ua puas tsuaj.
Kev Ntsuas Hydrostatic
Tswj ib qho kev nyuaj siab rau tsawg kawg 5 vib nas this yam tsis muaj kev xau.
Tus nqi siab muaj feem cuam tshuam nrog daim ntawv teev sijhawm No. ntawm cov yeeb nkab hlau.
| Phab ntsa tuab | Tus lej teem sijhawm: Sch | |||||
| 10 | 20 | 30 | 40 | 60 | 80 | |
| Yam tsawg kawg nkaus hydraulic xeem siab, Mpa | 2.0 | 3.5 | 5.0 | 6.0 | 9.0 | 12 |
Kev Ntsuas Tsis Ua Rau Puas Tsuaj
Yog tias siv kev tshuaj xyuas ultrasonic, nws yuav tsum ua raws li tus qauv nruj dua li lub teeb liab chav kawm UD hauv JIS G 0582.
Yog tias siv kev sim tam sim no eddy, nws yuav tsum ua raws li tus qauv uas nruj dua li lub teeb liab chav kawm EY hauv JIS G 0583.
| Lub npe txoj kab uas hla | Sab nraud txoj kab uas hla | Phab ntsa tuab | Qhov hnyav ntawm chav tsev | Tus lej teem sijhawm (Sch No.) | |
| A | B | mm | mm | kg/m2 | |
| 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 suav nrogteem sijhawm 10, teem sijhawm 20, teem sijhawm 30, teem sijhawm 40, teem sijhawm 60, thiabteem sijhawm 80.
Koj tuaj yeem nyem rau ntawm tus lej teem sijhawm uas koj xav saib; peb tau teeb tsa cov PDF sib xws rau koj kom yooj yim.
JIS G 3454 Qhov kev kam rau siab rau txoj kab uas hla sab nraud, phab ntsa tuab, qhov sib txawv, thiab qhov ntev yuav tsum ua tau raws li cov kev cai hauv qab no.
Txij li thaum nws tau tsim tsa xyoo 2014, Botop Steel tau dhau los ua tus thawj coj ntawm cov yeeb nkab carbon steel hauv Northern China, paub txog kev pabcuam zoo heev, cov khoom lag luam zoo, thiab cov kev daws teeb meem dav dav.
Lub tuam txhab muaj ntau yam yeeb nkab carbon steel thiab cov khoom lag luam cuam tshuam, suav nrog cov yeeb nkab seamless, ERW, LSAW, thiab SSAW steel, nrog rau cov yeeb nkab fittings thiab flanges tiav.
Nws cov khoom tshwj xeeb kuj suav nrog cov hlau alloys zoo thiab cov hlau stainless austenitic, tsim los ua kom tau raws li qhov xav tau ntawm ntau yam dej num pipeline.
Thov hu rau peb, peb yuav muab cov kav hlau zoo, tus qauv rau koj nrog kev pabcuam tshaj lij thiab ua haujlwm tau zoo. Botop tos ntsoov yuav pab koj.
