Spil caam wedded chipika gbt9711 2011pl2
Ndife okondwa kuyambitsa chinthu chathu chatsopano,spil caam chitoliro. Katundu wopangidwa mwaluso uyu amapangidwa ndi kugudubuza chitsulo chotsika-carbon carbon mapangidwe ang'onoang'ono abululidwe mu tube pamtanda wozungulira, kenako ndikulowetsa zitsulo za chubu. Kupanga kwapadera kotereku kumatipatsa kuti tizipanga mapaipi akuluakulu ocheperako kuchokera pamizere yopapatiza.
Ku Cangzhou steve steel mapaipes Guams Guation Co. Kuphimba malo a mita 350,000 ndi katundu wa Yuni miliyoni 680 miliyoni, kwakhala mtsogoleri m'makampaniwo. Ndi gulu lodzipereka la ogwiritsa ntchito 680, kudzera pakuyesetsa kosatha, kampaniyo ili ndi gawo la pachaka la matani 400,000 a zipilala zam'manja ndi mtengo wotulutsa 1.8 biliyoni.
Wofanana |
Kalasi yachitsulo | (%) Mankhwala | Katundu wonenepa | Zovuta ZazithunziKuyesa ndi donthoKuchepetsa thupi | ||||||||||||||
C | Si | Mn | P | S | V | Nb | Ti | Ena | Cev4)(%) | RT0.5 MPAGwiritsani mphamvu |
RM MPA Kulimba kwamakokedwe | RT0.5 / RM | (L0 = 5.65 √ s0) econgsion A% | |||||
max | max | max | max | max | max | max | max | max | min | max | min | max | max | min | ||||
Gb / t9711 -2011 (Psl2) | L245MB | 0.22 | 0.45 | 1.20 | 0.025 | 0.15 | 0.05 | 0.05 | 0.04 | 1) | 0.40 | 245 | 450 | 415 |
760 |
0.93 | 22 | Chiyeso cha Charpytengamphamvu ya chitoliro cha chitoliro ndi msoko wokwanira kuyesedwa ngati chofunikira mkati Muyeso woyamba. Kuti mumve zambiri, onetsetsani mzere woyambayo. Kuchepetsa thupi kumeta |
L290MB | 0.22 | 0.45 | 1.30 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.40 | 290 | 495 | 415 | 21 | ||||
L320MB | 0.22 | 0.45 | 1.30 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.41 | 320 | 500 | 430 | 21 | ||||
L360MB | 0.22 | 0.45 | 1.40 | 0.025 | 0.015 | 1) | 0.41 | 360 | 530 | 460 | 20 | |||||||
L390MB | 0.22 | 0.45 | 1.40 | 0.025 | 0.15 | 1) | 0.41 | 390 | 545 | 490 | 20 | |||||||
L415MB | 0.12 | 0.45 | 1.60 | 0.025 | 0.015 | 1) 2) 3 | 0.42 | 415 | 565 | 520 | 18 | |||||||
L450MB | 0.12 | 0.45 | 1.60 | 0.025 | 0.015 | 1) 2) 3 | 0.43 | 450 | 600 | 535 | 18 | |||||||
L485MB | 0.12 | 0.45 | 1.7 | 0.025 | 0.015 | 1) 2) 3 | 0.43 | 485 | 635 | 570 | 18 | |||||||
L555MB | 0.12 | 0.45 | 1.85 | 0.025 | 0.015 | 1) 2) 3 | 协议Kukambirana | 555 | 705 | 625 | 825 | 0.95 | 18 | |||||
Zindikirani:1) 0.015 ≤ at <0.060; n ≤ 0.015; ch ≤ 0.30; Mo ≤ 0.10 | ||||||||||||||||||
2) v + nb + ti ≤ 0.015%3) Pazitsulo zonse zachitsulo, mo Meyi ≤ 0.35%, pansi pa mgwirizano. Mn Cr + mo + v CO + NI 4) CEV = 5. 6 + 5 + 5
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Chimodzi mwazinthu zabwino kwambiri za chitoliro chathu chomwe chimasambirane ndi mphamvu zosayerekezeka komanso kulimba. Kugwiritsa ntchito zingwe zapamwamba kwambiri kumatsimikizira kuti mapaipi athu amatha kupirira zinthu zoopsa komanso katundu wolemera, kuwapangitsa kukhala oyenera kugwiritsa ntchito mitundu yambiri. Kuchokera pakugawa kwa mafuta ndi mpweya kupita kumadzi ndi machitidwe a Sewer, mapaipi athu akutsimikizira ntchito zodalirika komanso ntchito yokhalitsa.

Kuphatikiza apo, mawonekedwe athu owoneka bwino amapatsanso mphamvu zambiri. Ndi kuthekera kutulutsa mapaipi akuluakulu a mainchesi, titha kukwaniritsa zofunikira za polojekiti ndi zigawo zosiyanasiyana. Kaya mukufuna mapaipi a kuyika, ntchito zomanga kapena ntchito zamagetsi, tili ndi kuthekera kukakumana ndi zosowa zanu.
Kuphatikiza pa nyonga ndi kusiyanasiyana, mawonekedwe athu owoneka bwino amapatsanso mphamvu kuvunda bwino. Izi ndizofunikira kwambiri, makamaka m'makampani omwe nthawi zambiri amawonekera m'malo ovuta komanso zinthu. Mapaipi athu amapangidwa kuti ayimirire nthawi, kuti awonetsere bwino momwe zinthu zilili zofunikira kwambiri.
Ku Cangzhou steve steel mapaipes Guation Co., Ltd., ndife odzipereka popereka zinthu zabwino komanso ntchito zabwino zamakasitomala. Njira zathu zolimbitsa thupi zolimbitsa thupi komanso zoyeserera zoyeserera zikuwonetsetsa kuti chitoliro chilichonse chikuchoka pafakitale chimakumana ndi miyezo yapamwamba kwambiri. Kuphatikiza apo, gulu lathu lothandizira makasitomala odzipereka lili pano kuti lithandizire mafunso kapena nkhawa zilizonse zomwe mungakhale nazo.

Zonsezi, mawonekedwe athu owoneka bwino ndi njira yodalirika komanso yothandiza yothetsera mitundu yosiyanasiyana. Kudzera mwa njira zathu zopangira zojambulajambula ndi kudzipereka kuti zikhale bwino, takhala owapatsa womupatsa wowapatsa nawo malonda. Kaya mukuyang'ana mphamvu, kusinthika kapena kukana kusinthika, chitoliro chathu chozungulira ndiye chisankho chabwino. Sankhani stal stel steel mapaipes Grass Co., Ltd. Pazinthu zanu zonse zachitsulo.