BS EN 10210 S275J0Hchikamu chesimbi chekuvaka chine mhango chinogadzirwa nekupisa chinogadzirwa kutiBS EN 10210ine mhando dzakasiyana dzemaumbirwo akaita sedenderedzwa, sikweya, rectangular, kana denderedzwa.
Chinhu cheS275J0H chinoratidzwa nesimba rekukura kwe275 MPa paukobvu husingapfuuri 16 mm; simba rayo rekukura kwesimba risingapfuure 27 J pa0℃.
S275J0H ndeyemhando yesimbi yekabhoni, nhamba yesimbi1.0149, ine hunhu hwakanaka hwekuvaka uye hwekugadzirisa, hunonyanya kushandiswa mukuvaka zvivakwa, asiwo hunoshandiswa kune zvinhu zvisingatakure mutoro, hunogona kubatsira kuchengetedza kugadzikana kwezvivakwa uye kugara kwenguva refu zvichibva pakuwana mabhenefiti akachipa.
Cherechedza: Zvese zvinodiwa muBS EN 10210 zvinoshandawo kuEN 10210 saka hazvidzokororwe pano.
Magiredhi eBS EN 10210 anopiwa zvichienderana neEN 10027-1 uye nhamba dzesimbi dzinopihwa zvinoenderana neEN 10027-2.
| Zita resimbi | Nhamba yesimbi | Rudzi rweSimbi | Zita resimbi | Nhamba yesimbi | Rudzi rweSimbi |
| S235JRH | 1.0039 | simbi yekabhoni | S275NH | 1.0493 | simbi yekabhoni |
| S275J0H | 1.0149 | simbi yekabhoni | S275NLH | 1.0497 | simbi yekabhoni |
| S275J2H | 1.0138 | simbi yekabhoni | S355NH | 1.0539 | simbi yekabhoni |
| S355J0H | 1.0547 | simbi yekabhoni | S355NLH | 1.0549 | simbi yekabhoni |
| S355J2H | 1.0576 | simbi yekabhoni | S420NH | 1.8750 | simbi yesimbi |
| S355K2H | 1.0512 | simbi yekabhoni | S420NLH | 1.8751 | simbi yesimbi |
| S460NH | 1.8953 | simbi yesimbi | |||
| S460NLH | 1.8956 | simbi yesimbi |
Kuti uwane rumwe ruzivo nezvezvinorehwa nemabhii nenhamba mumagiredhi,unogona kudzvanya pano.
Ukobvu hwemadziro ≤120mm.
Denderedzwa: Dhayamita dzekunze dzinosvika 2500 mm;
Sikweya: Zviyero zvekunze zvinosvika 800 mm x 800 mm;
Rectangular: Zviyero zvekunze zvinosvika 750 mm x 500 mm;
Zvakatenderera: Zviyero zvekunze zvinosvika 500 mm x 250 mm.
Isu tine hunyanzvi mukupa magadzirirwo akasiyana-siyana eRound Hollow Structural Steel Pipe, kana muine zvamunoda, ndapota inzwa wakasununguka kutibata, tichitarisira kushanda nemi!
Mapaipi esimbi akasungirirwa eLSAW anonyanya kugadzirwa nekugadzira mapurati esimbi kuita machubhu uchishandisa maitiro ekuumba eJCOE, zvichiteverwa nekushongedza uchishandisa arc yakanyudzwa nemativi maviri (double-sided immersed arc).DSAW) tekinoroji yekunamira, uye yakapedziswa kuburikidza nekuongororwa kwakasiyana-siyana uye kurapwa.
Unosarudza sei nzira chaiyo yekugadzira? Ndeipi misiyano uye zvakanakira mapaipi esimbi asina musono, LSAW, kusanganisa arc welding pasi pemvura, uye kusanganisa arc welding pasi pemvura? Uye huwandu hwehukuru hwebasa rega rega hunosvika papi? Unogona kudzvanya link inotevera kuti uione.
Hunhu JR,J0, J2 na K2 -kupisa kwapera;
Hunhu N neNL - zvakajairika. Zvakajairika zvinosanganisira zvakakandwa zvakajairika.
| Sgiredhi resimbi | Rudzi rwe kubvisa oxidationa | % nehuremu, huwandu hwepamusoro | |||||||
| C (Kabhoni) | Si (Silicone) | Mn (Manganese) | P (Ine fosforasi) | S (Sarufa) | Nb,c (Nitrogen) | ||||
| Zita resimbi | Nhamba yesimbi | Ukobvu hwakatarwa (mm) | |||||||
| ≤40 | >40≤120 | ||||||||
| S275J0H | 1.0149 | FN | 0.20 | 0.22 | — | 1.5 | 0.035 | 0.035 | 0.009 |
aFN = Simbi yekuisa rimming haibvumidzwe;
bZvinotenderwa kudarika kukosha kwakatarwa chero bedzi pakuwedzera kwega kwega kwe0.001 % N iyo P, huwandu hwepamusoro hunoderedzwawo ne0.005 %. Zvisinei, huwandu hweN hweongororo ye cast hahufanirwe kupfuura 0.012 %;
cKukosha kwakanyanya kwenitrogen hakushandi kana makemikari ari muchikamu ichi achiratidza huwandu hweAl hushoma hwe0.020% nechiyero cheAl/N che2:1, kana kana paine zvimwe zvinhu zveN-binding zvakakwana. Zvinhu zveN-binding zvinofanira kunyorwa muGwaro reKuongorora.
Hunhu hwemakanika hweBS EN 10210 hunosanganisira simba rekugadzira, simba rekudhonza, kureba, uye hunhu hwekukanganisa.
Zvikamu zvine maburi zvinofanira kunge zvakatsetseka zvinoenderana nenzira yekugadzira inoshandiswa; maburi, maburi, kana migero isina kudzika inobva mukugadzirwa kwayo zvinotenderwa, chero bedzi ukobvu hwacho huchienderana nezvinodiwa.
EN 10210 Nzvimbo dzemapaipi esimbi dzakakodzera kushandiswa pakupisa.
EN 10210 haidi kuyedzwa kwekumanikidzwa kwemvura kwemapombi esimbi.
Izvi zvinodaro nekuti zvigadzirwa zvakajairwa zveEN 10210 zvinonyanya kushandiswa pakuvaka kwete pakuisa mapaipi anoda kumanikidzwa.
Kana kuyedzwa kwekumanikidzwa kwemvura kuchidikanwa, zvinokwanisika kutevedzera EN 10216 (machubhu esimbi asina musono) kana EN 10217 (machubhu esimbi akasungirirwa).
Hapana chinodiwa mumutemo wekuti NDT iite pamapombi esimbi asina chinhu.
Kana NDT ichiitwa pamapombi esimbi akasungirirwa, zvinodiwa zvinotevera zvinogona kutaurwa nezvazvo.
Zvikamu Zvakasungirirwa Nemagetsi
Machubhu esimbi echikamu chakatenderera chine mhango anonzi ERW.
Unogona kusarudza imwe yenzira dzinotevera dzekuedza.
a) EN 10246-3 kusvika padanho rekugamuchira E4, kunze kwekuti nzira yekutenderera chubhu/pancake coil haifanirwe kubvumidzwa;
b) EN 10246-5 kusvika padanho rekugamuchira F5;
c) EN 10246-8 kusvika padanho rekugamuchira U5.
Zvikamu Zvakasungirirwa zveArc Zvakanyudzwa
Kune machubhu esimbi akatenderera ane gomba, LSAW neSSAW.
Musono we weld wezvikamu zvakanyudzwa ne arc zvakasungirirwa pasi pevhu unofanira kuyedzwa zvichienderana ne EN 10246-9 kusvika padanho rekugamuchirwa re U4 kana ne radiography zvichienderana ne EN 10246-10 ine kirasi yemhando yemufananidzo R2.
Kuti uwane rumwe ruzivo rwakadzama nezvezvinodiwa zvine chekuita nekushivirirana kwemativi,ndapota tinya pano kuti uwane rumwe ruzivo.
EN 10025 - S275J0;
JIS G3106 - SM400B;
CSA G40.21 - 300W;
Pakusarudza EN 10210 S275J0H yakaenzana, kuenzanisa kwakadzama kwemakemikari uye hunhu hwemakanika kunofanirwa kuitwa kuti ive nechokwadi chekuti zvinhu zvakasarudzwa zvinosangana nezvinodiwa chaizvo zvepurojekiti.
Kubva payakavambwa muna 2014,Simbi yeBotopyava mutengesi anotungamira wemapaipi esimbi yekabhoni kuChamhembe kweChina, inozivikanwa nebasa rakanaka kwazvo, zvigadzirwa zvemhando yepamusoro, uye mhinduro dzakakwana.
Kambani iyi inopa mapaipi akasiyana-siyana esimbi yekabhoni nezvimwe zvigadzirwa zvinoenderana nazvo, zvinosanganisira mapaipi esimbi asina musono, ERW, LSAW, uye SSAW, pamwe chete nehurongwa hwakazara hwemapipi nemaflange. Zvigadzirwa zvayo zvehunyanzvi zvinosanganisirawo alloys dzemhando yepamusoro nesimbi dzisina ngura dzinogadzirwa neaustenitic, dzakagadzirirwa kusangana nezvinodiwa nemapurojekiti akasiyana-siyana emapaipi.
