Ihe oru ngo

1. The ígwè ọkpọkọ adopts Q235B, welded ígwè ọkpọkọ (GB / T 3092) ma ọ bụ enweghị nkebi ígwè ọkpọkọ (GB / T 8162) nwere ike iji.

2. A na-eme bọọlụ ígwè nke No. 45 ígwè forgings nke na-ezute "Ọnọdụ Nka na ụzụ maka Carbon Structural Steel High-Quality" GB 699, na ike mkpụrụ bụ 360N / mm2.

3. The elu-ike bolts maka oghere oghere na-mere 40Cr quenched na tempered na okpomọkụ-emeso dị ka "Nka na ụzụ ọnọdụ nke High-Quality Carbon Structural Steel" GB/T 16939.

4. A na-eji ígwè Q235B na-ekpuchi efere mkpuchi nke isi cone, na isi cone bụ nke forgings.The n'ime dayameta nke casingM33 kwadoro Q355B.

5. The threadless nut mere nke Q235B ígwè forgings.Mgbe dayameta nke bolts dị elu dị> M30, jiri igwe nchara 45 mee ihe.

6. A na-eji 40Cr na-eme ka ihe nkedo na-ejikọta ya na-emenyụ na ọkụ.

7. A na-eji ígwè Q235B eme ihe maka nkwado, efere agbakwunyere, nkwado na akụkụ njikọ ya.

8. The purlins na-mere nke oyi-kpụrụ mkpa-mgbidi ígwè mere nke Q235B ígwè.

9. The nkịtị bolts na-mere nke C-ọkwa bolts mere Q235 ígwè na-ezute chọrọ nke ugbu a mba ọkọlọtọ, na arụmọrụ ọkwa bụ 4.8.

10. Ngwongwo ígwè ndị a kpọtụrụ aha n'elu kwesịrị inwe akwụkwọ ikike ihe onwunwe na akụkọ nyocha ọzọ, n'ikwekọ na ihe ndị a chọrọ nke ụkpụrụ mba dị ugbu a.

11. The electrodes na wires eji maka ịgbado ọkụ kwesịrị izute chọrọ nke ugbu a mba ụkpụrụ.Welding n'etiti Q235B steels na-anabata E43 usoro electrodes.

12. Ọnụ ọgụgụ nke ọnụ ahịa a tụrụ atụ nke ike mkpụrụ na nha nha nke ike nkwụsị nke ígwè ekwesịghị ịbụ ihe karịrị 0.85.

13. Nchara kwesịrị inwe usoro mkpụrụ nke doro anya, na elongation ekwesịghị ịbụ ihe na-erughị 20%.

14. Nchara kwesịrị inwe ezigbo weldability na ruru eru mmetụta siri ike.Mgbe ọ bụ ígwè Q235B, ọkọlọtọ àgwà ya kwesịrị ikwekọ na "Carbon Structural Steel" (GB700-88), na mgbe ọ bụ Q355B, ụkpụrụ àgwà ya kwesịrị ikwekọ na "Low Alloy High Structural Steel" GB/T1491, ígwè niile kwesịrị ekwesị. nwere ike tensile Nkwenye maka ike, elongation, ike mkpụrụ, ule na-ehulata oyi na carbon, sọlfọ na ọdịnaya phosphorus.Ọdịdị welded ga-enwekwa nkwa nke ọdịnaya carbon tozuru oke.