Ntchito

1. Chitoliro chachitsulo chimatengera Q235B, chitoliro chachitsulo chosungunuka (GB / T 3092) kapena chitoliro chopanda chitsulo (GB / T 8162) chingagwiritsidwe ntchito.

2. Mpira wachitsulo umapangidwa ndi zida zachitsulo za 45 zomwe zimakwaniritsa "Technical Conditions for High-Quality Carbon Structural Steel" GB 699, ndipo mphamvu zokolola ndi 360N / mm2

3. Maboti amphamvu kwambiri a danga amapangidwa ndi 40Cr kuzimitsidwa ndi kutenthedwa ndi kutentha molingana ndi "Technical Conditions of High-Quality Carbon Structural Steel" GB/T 16939.

4. Chosindikizira chosindikizira cha mutu wa cone chimapangidwa ndi chitsulo cha Q235B, ndipo mutu wa cone umapangidwa ndi forgings.The m'mimba mwake wa casingM33 imatengera Q355B.

5. Mtedza wopanda ulusi umapangidwa ndi zitsulo za Q235B.Pamene kukula kwa mabawuti amphamvu kwambiri ndi> M30, gwiritsani ntchito zitsulo zopanga zitsulo 45-gauge.

6. Zomangira zomangirira zimapangidwa ndi 40Cr zomwe zazimitsidwa ndi kutenthedwa.

7. Chitsulo cha Q235B chimagwiritsidwa ntchito pothandizira, mbale yophatikizidwa, chithandizo ndi zigawo zake zogwirizanitsa.

8. Ma purlins amapangidwa ndi chitsulo chozizira chokhala ndi mipanda yopyapyala yopangidwa ndi chitsulo cha Q235B.

9. Mabotolo wamba amapangidwa ndi C-grade bolts opangidwa ndi Q235 zitsulo zomwe zimakwaniritsa zofunikira za dziko lino, ndipo kalasi ya ntchito ndi 4.8.

10. Zolemba zazitsulo zomwe zatchulidwa pamwambapa ziyenera kukhala ndi ziphaso zamtengo wapatali ndi malipoti obwerezabwereza, mogwirizana ndi zofunikira zomwe zilipo panopa za dziko.

11. Ma electrode ndi mawaya omwe amagwiritsidwa ntchito powotcherera ayenera kukwaniritsa zofunikira za dziko lino.Kuwotcherera pakati pa zitsulo za Q235B kumatengera maelekitirodi a E43.

12. Chiŵerengero cha mtengo woyezera wa mphamvu zokolola ku mtengo woyezera mphamvu yachitsulo chachitsulo sichiyenera kukhala chachikulu kuposa 0,85.

13. Chitsulocho chiyenera kukhala ndi zokolola zoonekeratu, ndipo elongation sikuyenera kukhala osachepera 20%.

14. Chitsulocho chiyenera kukhala ndi weldability wabwino ndi oyenerera amakhudza kulimba.Ikakhala Q235B chitsulo, muyezo wake wamtundu uyenera kugwirizana ndi "Carbon Structural Steel" (GB700-88), ndipo ikakhala Q355B, muyezo wake wamtundu uyenera kugwirizana ndi "Low Alloy High Strength Structural Steel" GB/T1491, zitsulo zonse ziyenera kukhala ndi mphamvu zolimba Chitsimikizo choyenerera cha mphamvu, kutalika, mphamvu zokolola, kuyesa kuzizira kozizira ndi carbon, sulfure ndi phosphorous.Kapangidwe ka welded kakhalenso ndi chitsimikizo chokwanira chazomwe zili mu kaboni.