牌號(hào) | Q235NH |
L52350 | |
對(duì)應(yīng)標(biāo)準(zhǔn) | YB /T 4112-2013
結(jié)構(gòu)用耐候焊接鋼管 Welded steel tubes with atmospheric corrosion resistance for structural purposes |
歸類 | 合金鋼 |
說明 | 此牌號(hào)化學(xué)成分(熔煉分析)應(yīng)符合GB/T 4171的規(guī)定 |