合(he)金(jin)(jin)厚壁(bi)(bi)彎(wan)(wan)管(guan)時(shi)材(cai)料(liao)(liao)外(wai)側(ce)受(shou)(shou)拉，內側(ce)受(shou)(shou)壓(ya)中性(xing)軸所在(zai)位(wei)置則與彎(wan)(wan)管(guan)方法而不同，在(zai)頂彎(wan)(wan)式(壓(ya)縮彎(wan)(wan)曲)工(gong)(gong)(gong)作時(shi)中性(xing)軸處(chu)(chu)于離(li)外(wai)壁(bi)(bi)約1/3處(chu)(chu)，在(zai)旋(xuan)彎(wan)(wan)(回彎(wan)(wan)式)工(gong)(gong)(gong)作 時(shi)，中性(xing)軸處(chu)(chu)于離(li)外(wai)壁(bi)(bi)2/3處(chu)(chu)。在(zai)鋼(gang)管(guan)后端用(yong)機械推(tui)力推(tui)進(jin)，進(jin)行彎(wan)(wan)制(zhi)，隨著國內管(guan)件制(zhi)造(zao)業的發展，合(he)金(jin)(jin)厚壁(bi)(bi)彎(wan)(wan)管(guan)制(zhi)造(zao)工(gong)(gong)(gong)藝也在(zai)不斷進(jin)步(bu)。錳(meng)鋼(gang)材(cai)質的16Mn 合(he)金(jin)(jin)彎(wan)(wan)管(guan)由于錳(meng)鋼(gang)具有承受(shou)(shou)沖(chong)擊(ji)、擠壓(ya)、物料(liao)(liao)磨損等的優良特殊的穩定高效的性(xing)能。