Mapaipi eSimbi Anoshandiswa Nemhando Dzese Ekushandisa Mumaindasitiri
| Zvakajairika | Giredhi resimbi | Kuumbwa kwemakemikari | Zvivako zvekusunga | Kuedza kweCharpy Impact uye Kuedza kweDrop Weight Tear Test | ||||||||||||||
| C | Si | Mn | P | S | V | Nb | Ti | CEV4)(%) | Simba reRt0.5 Mpa | Simba reKusimba reRm Mpa | Rt0.5/ Rm | (L0=5.65 √ S0)Kureba A% | ||||||
| zvakanyanya | zvakanyanya | zvakanyanya | zvakanyanya | zvakanyanya | zvakanyanya | zvakanyanya | zvakanyanya | Zvimwe | zvakanyanya | miniti | zvakanyanya | miniti | zvakanyanya | zvakanyanya | miniti | |||
| L245MB | 0.22 | 0.45 | 1.2 | 0.025 | 0.15 | 0.05 | 0.05 | 0.04 | 1) | 0.4 | 245 | 450 | 415 | 760 | 0.93 | 22 | Kuedza kweCharpy impact: Simba rinonyudza impact remutumbi wepombi uye musono we weld rinofanira kuyedzwa sezvinodiwa muchiyero chekutanga. Kuti uwane rumwe ruzivo, ona chiyero chekutanga. Kuedza kwekubvisa uremu: Nzvimbo yekuchekerera ine sarudzo | |
| GB/T9711-2011(PSL2) | L290MB | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.4 | 290 | 495 | 415 | 21 | |||
| L320MB | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.41 | 320 | 500 | 430 | 21 | ||||
| L360MB | 0.22 | 0.45 | 1.4 | 0.025 | 0.015 | 1) | 0.41 | 360 | 530 | 460 | 20 | |||||||
| L390MB | 0.22 | 0.45 | 1.4 | 0.025 | 0.15 | 1) | 0.41 | 390 | 545 | 490 | 20 | |||||||
| L415MB | 0.12 | 0.45 | 1.6 | 0.025 | 0.015 | 1)2)3 | 0.42 | 415 | 565 | 520 | 18 | |||||||
| L450MB | 0.12 | 0.45 | 1.6 | 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 | Kukurukurirana | 555 | 705 | 625 | 825 | 0.95 | 18 | |||||
| Cherechedza: | ||||||||||||||||||
| 1)0.015 ≤ Altot < 0.060;N ≤ 0.012;AI—N ≥ 2—1;Cu ≤ 0.25;Ni ≤ 0.30;Cr ≤ 0.30;Mo ≤ 0.10; | ||||||||||||||||||
| 2)V+Nb+Ti ≤ 0.015% | ||||||||||||||||||
| 3)Kune ese magiredhi esimbi, Mo inogona ≤ 0.35%, pasi pechibvumirano. | ||||||||||||||||||
| Mn Cr+Mo+V Cu+Ni 4)CEV=C+6 + 5 + 5 | ||||||||||||||||||
Nhanganyaya yeChigadzirwa
Tichiunza machubhu edu esimbi anoshandiswa mumaindasitiri, akagadzirirwa kusangana nezvinodiwa zvemaindasitiri akasiyana-siyana. Zvigadzirwa zvedu zvinogadzirwa mufekitori yedu yemazuva ano muCangzhou, Hebei Province, iri kutungamira muindasitiri yesimbi kubvira muna 1993. Nenzvimbo yese ye350,000 square metres uye midziyo yese yeRMB 680 miriyoni, tinodada nekuva nevashandi 680 vakazvipira uye vane hunyanzvi vanova nechokwadi chekuti chigadzirwa chega chega chatinopa chinosangana nezvinodiwa zvepamusoro-soro.
Maitiro edu ekugadzira akasiyana anosiyanisa mapaipi edu esimbi nemakwikwi. Akagadzirwa kuti asimbike uye agare kwenguva refu, mapaipi aya anokwanisa kutsungirira kumanikidzwa kwakanyanya kwemukati nekunze, zvichiita kuti akwanise kushandiswa zvakasiyana-siyana. Ungave uchishanda mukuvaka, mafuta negesi, kana chero imwe nzvimbo yeindasitiri, mapaipi edu akavakwa kuti ashande mumamiriro ezvinhu akaoma zvikuru.
Chimwe chezvinhu zvinoshamisa zvekushandisa kwedu kwakasiyana-siyanapombi yesimbi yesimbiisimba radzo guru pakuora nekukanganisika. Hunhu uhwu hahungowedzere hupenyu hwemapaipi chete, asiwo hunoderedza mari yekugadzirisa, zvichipa mhinduro yakavimbika kune zvaunoda mumaindasitiri. Nekuzvipira kwedu mukuvandudza zvinhu zvitsva uye mhando, unogona kuva nechivimbo chekuti zvigadzirwa zvedu zvichapa mashandiro akanaka uye kuvimbika.
Kubatsira Kwechigadzirwa
1. Chimwe chezvakanakira zvikuru zvemapaipi edu esimbi kugona kwawo kutsungirira kumanikidzwa kwakanyanya mukati nekunze. Izvi zvinoita kuti akwanise kushandiswa mumaindasitiri akadai semafuta negesi, kuvaka nekugadzira zvinhu.
2. Mapaipi aya akagadzirwa kuti arambe ngura uye kushanduka, zvichiita kuti agare kwenguva refu uye aderedze mari yekugadzirisa.
3. Kugona kwavo kushandisa zvinhu zvakasiyana-siyana kunoita kuti zvikwanise kushandiswa mumhando dzakasiyana-siyana dzemashandisirwo, kubva pakutakura mvura kusvika pakutsigira chimiro.
Kushaikwa kwechigadzirwa
1. Pombi yesimbizvinogona kurema kupfuura zvimwe zvinhu zvakaita sepurasitiki kana zvinhu zvakasanganiswa, izvo zvinogona kukonzera matambudziko panguva yekuisa nekutakura.
2. Kunyange zvazvo dzisingagoni kubatwa nengura, hadzina kudzivirirwa zvachose kungura, kunyanya munzvimbo dzakaoma. Kugadziriswa nguva dzose uye kuputirwa kwekudzivirira kunogona kudiwa kuti dziwedzere hupenyu hwadzo.
Mibvunzo Inowanzo bvunzwa
Mubvunzo 1: Chii chakasiyana nemapombi aya esimbi?
Maitiro akasiyana ekugadzira anoshandiswa kugadzira mapaipi aya esimbi anowedzera simba rawo uye kugara kwenguva refu. Kusiyana nemapaipi akajairwa, mapaipi aya akagadzirwa kuti agone kutsungirira kumanikidzwa kwakanyanya kwemukati nekunze, zvichiita kuti ave akakodzera nharaunda dzinoda maindasitiri. Kuvakwa kwawo kwakasimba kunoita kuti agare kwenguva refu uye kunoderedza kudiwa kwekutsiviwa nguva nenguva.
Mubvunzo wechipiri: Mapombi aya anodzivirira ngura here?
zvechokwadi! Chimwe chezvinhu zvikuru zvemapaipi edu esimbi esimbi kuramba ngura uye kuchinja. Hunhu uhwu hwakakosha mukushandiswa mumaindasitiri akadai semafuta negesi, kuvaka uye kugadzirisa makemikari, ayo anowanzo sangana nemamiriro ezvinhu akaoma. Kuramba ngura kunoita kuti mapaipi arambe akasimba kwenguva refu, zvichipa mhinduro yakavimbika kumapurojekiti akasiyana-siyana.
Mubvunzo wechitatu: Mapombi aya anogadzirwa kupi?
Nzvimbo yedu yekugadzira mapaipi esimbi iri muCangzhou City, Hebei Province, ine fekitori yepamusoro ine nzvimbo inosvika 350,000 square metres. Kambani iyi yakavambwa muna 1993 uye yakakura nekukurumidza nemidziyo inosvika mamiriyoni mazana matanhatu nemakumi masere eyuan nevashandi mazana matanhatu nemakumi masere. Ruzivo rwedu rwakakura uye mari yekudyara yehunyanzvi inotigonesa kugadzira mapaipi emhando yepamusoro anosangana nezvinodiwa zvakasiyana-siyana zvevatengi vedu.







