无缝钢管 执行标准GB/T3087-1999 GB/T8163-1999 GB/T8162-1999 材质20#、45#、16Mn Ø12×2-3.5 Ø34×2.5-2.5 Ø60×3-7 Ø121×5-10 Ø14×2-3.5 Ø35×2.5-5.5 Ø63.5×3-7 Ø133×5-10 Ø16×2-3.5 Ø36×2.5-5.5 Ø65×3.5-7 Ø140×5-10 Ø18×2-5 Ø38×2-6 Ø68.7×3.5-7 Ø159×5-10 Ø20×2-5 Ø40×2.5-8 Ø73××3.5-7 Ø168×5-10 Ø21×2-5 Ø42×2.5-8 Ø76×3.5-7 Ø180×5-10 Ø22×2-5 Ø45×2.5-8 Ø80×3.5-7 Ø194×6-12 Ø24×2-5 Ø48×2.58 Ø89×3.5-7 Ø219×8-14 Ø25×2-5 Ø50×3-8 Ø102×4-8 Ø245×8-14 Ø28×2-5 Ø51×3-8 Ø108×4-8 Ø273×8-14 Ø30×2-5.5 Ø54×3-8 Ø110×4-8 Ø325×8-14 Ø32×2-5.5 Ø57×3-8 Ø114×4-8 Ø377×8-14 热扎钢管 执行标准GB/T8163-1999 GB/T8162-1999 材质10#、20#、45#、16Mn Ø57×3-3.5-4-5 Ø219×6-7-8-9-10-12 Ø404×8-9-10-12-14-16 Ø76×3.5-4.5-5 Ø245×6-7-8-9-10-12 Ø406×8-9-10-12-14-16 Ø89×4-4.5-5-6 Ø273×6-7-8-9-10-12 Ø426×8-9-10-12-14-16 Ø108×4-4.5-5-6 Ø299×6-7-8-9-10-12 Ø450×8-9-10-12-14-16 Ø114×4-4.5-5-6-8 Ø325×6-7-8-9-10-12 Ø480×8-9-10-12-14-16 Ø133×4-4.5-5-6-8 Ø351×7-8-9-10-12-14 Ø530×8-9-10-12-14-16 Ø140×4-4.5-5-6-8 Ø377×7-8-9-10-12-14 Ø630×8-9-10-12-14-16 Ø159×4.5-5-6-8 Ø384×7-8-9-10-12-14 Ø720×8-9-10-12-14-16