12Cr2Mo1用作压力容器的焊接问题? 我给你复制点,多的我不说了,你看看自己理解吧,我也不是焊接方面的,有错误,不过我不清楚在哪,不要问我: union 1 crmo910(er90s-g)/ sh chromo 2ks(e9015-b3)/ union s 1crmo2+uv 420 ttr-w/ boehler cn23/12-fd(e309lto)/ boehler sas2-fd(e347to) union 1 crmo910(er90s-g)/ sh chromo 2ks(e9015-b3)/ gtaw unionl crmo910(er90s-g) φ2.4 smaw sh chromo 2ks(e9015-b3) φ3.2 smaw sh chromo 2ks(e9015-b3) φ4.0 saw unions1crmo2(eb3r)/uv 420ttr-w φ4.0 union s 1crmo2+uv 420 ttr-w/ boehler cn23/12-fd(e309lto)/ boehler sas2-fd(e347to) union s 1crmo2+uv 420 ttr-w/ boehler cn23/12-fd(e309lto)/ boehler sas2-fd(e347to) 查看更多