Ubwino Wa Cold Anapanga Welded Structural
Chitsulo chozizira chopangidwa ndi chitsulo chimapangidwa ndi kupinda ndi kupanga mapepala achitsulo kapena mazenera kutentha kutentha popanda kugwiritsa ntchito kutentha. Njirayi imapanga zinthu zamphamvu, zolimba kuposa zitsulo zotentha. Chitsulo chozizira chozizirachi chimapereka maubwino angapo ofunikira akamangiriridwa pamodzi kuti apange zigawo zamapangidwe.
Standard | Chitsulo kalasi | Chemical zikuchokera | Makoma katundu | Mayeso a Charpy Impact ndi Mayeso a Drop Weight Tear | ||||||||||||||
C | Si | Mn | P | S | V | Nb | Ti | CEV4) (%) | Rt0.5 Mpa Zokolola mphamvu | Rm Mpa Tensile Strength | Rt0.5/ Rm | (L0=5.65 √ S0)Elongation A% | ||||||
max | max | max | max | max | max | max | max | Zina | max | min | max | min | max | max | min | |||
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 | Kuyesa kwa Charpy impact: Mphamvu yotengera mphamvu ya thupi la chitoliro ndi msoko wowotcherera idzayesedwa monga momwe zimafunira mulingo woyambirira. Kuti mudziwe zambiri, onani muyeso woyambirira. Mayeso ogwetsa misozi: Malo ometa mwasankha | |
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 | Kukambilana | 555 | 705 | 625 | 825 | 0.95 | 18 | |||||
Zindikirani: | ||||||||||||||||||
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) Pamagulu onse achitsulo, Mo akhoza ≤ 0.35%, pansi pa mgwirizano. | ||||||||||||||||||
Mn Cr+Mo+V Ku+Ni4)CEV=C+6+5+5 |
Mmodzi mwa ubwino waukulu waozizira anapanga welded structural chitsulo ndi chiŵerengero chake chachikulu cha mphamvu ndi kulemera. Izi zikutanthauza kuti zimapereka mphamvu zapamwamba pamene zimakhala zopepuka, zomwe zimapangitsa kuti zikhale zosavuta kuzigwira ndi kunyamula panthawi yomanga. Kuonjezera apo, kulimba kwachitsulo chozizira kumapangitsa kuti mapangidwe apangidwe ang'onoang'ono komanso ogwira mtima awonjezere malo komanso kuchepetsa kugwiritsa ntchito zinthu.
Ubwino wina wofunikira wa zitsulo zozizira zopangidwa ndi welded structural zitsulo ndizofanana komanso kusasinthasintha. Kukonzekera kozizira kumatsimikizira kuti chitsulocho chimakhalabe ndi makina osakanikirana muzinthu zonse, zomwe zimapangitsa kuti zikhale zodziwikiratu komanso zodalirika. Kusasinthasintha kumeneku ndikofunika kwambiri kuti zitsimikizidwe kuti zomangamanga ndi zotetezeka pakumanga komaliza.

Kuphatikiza pa mphamvu ndi kusasinthasintha, chitsulo chozizira Chopangidwa ndi Welded Structural chimapereka kulondola kwambiri komanso kulondola. Kuzizira kopanga njira kumapangitsa kulolerana kolimba ndikumangirira kolondola, kuonetsetsa kuti zida zomangika zimalumikizana mosasunthika panthawi ya msonkhano. Mlingo wolondolawu ndi wofunikira kwambiri kuti munthu akwaniritse zomaliza zapamwamba, zowoneka bwino.
Kuphatikiza apo, chitsulo chozizira Chopangidwa ndi Welded Structural chitsulo chimakhala chosunthika ndipo chimatha kusinthidwa kuti chikwaniritse zofunikira za polojekiti. Ikhoza kupangidwa mosavuta ndikupangidwa kukhala mitundu yosiyanasiyana ya contours ndi masinthidwe, kulola kupanga mapangidwe ovuta. Kusinthasintha kumeneku kumapangitsa kukhala koyenera kwa ntchito zosiyanasiyana kuchokera ku nyumba zomanga nyumba kupita ku mafakitale.
Kugwiritsa ntchito chitsulo chozizira Chopangidwa ndi Welded Structural kumathandizanso kuti pakhale njira zomangira zokhazikika. Chikhalidwe chake chopepuka chimachepetsa katundu wonse pa maziko ndi dongosolo lothandizira, zomwe zimapangitsa kuti pakhale ndalama zomwe zingatheke komanso ubwino wa chilengedwe. Kuonjezera apo, zitsulo za recyclability zimapangitsa kukhala chisankho chokonda chilengedwe cha ntchito yomanga.
Mwachidule, chitsulo chozizira cha Formed Welded Structural chimapereka zabwino zambiri zomwe zimapangitsa kukhala chisankho chokongola pantchito yomanga. Kuchuluka kwake kwa mphamvu ndi kulemera kwake, kusasinthasintha, kulondola, kusinthasintha ndi kukhazikika kumapangitsa kuti zikhale zofunikira kwambiri popanga zomanga zolimba, zogwira mtima. Pamene ntchito yomanga ikupitabe patsogolo, zitsulo zozizira za Formed Welded Structural zidzathandiza kwambiri pakupanga nyumba ndi zomangamanga zamtsogolo.