20G高压锅炉管16×2-2.5-4
20G高压锅炉管18×2.3-4-5
20G高压锅炉管20×2.5-3-5
20G高压锅炉管24×2.5-3-4-5-6
20G高压锅炉管25×2.5-3-4-5-6
20G高压锅炉管28×3-3.5-4-5-6
20G高压锅炉管32×3.5-4-5-6-8
20G高压锅炉管34×4-5-6-8
20G高压锅炉管36×3.5-5-6-8
20G高压锅炉管38×4-5-6-7-8-9-10
20G高压锅炉管39×3.5-5-8-10
20G高压锅炉管42×3.5-4-5-6-7-8-9-10
20G高压锅炉管45×3.5-4-5-6-7-8-9
20G高压锅炉管48×3.5-4-5-6-7-8-9-10
20G高压锅炉管51×3.5-4-5-6-7-8-9-10
20G高压锅炉管56×3.5-4-5-6-7-8-9-10
20G高压锅炉管57×3.5-5-6-7-8-9-10-12
20G高压锅炉管60×3.5-4.5-5-6-7-8-9-12-14
20G高压锅炉管63×3.5-4.5-5-6-7-8-9-10-12-14
20G高压锅炉管68×4-4.5-5-6-7-8-9-10-12-14-16
20G高压锅炉管70×4-4.5-5-6-7-8-9-10-12-15-16
20G高压锅炉管73×4-4.5-5-6-7-8-9-10-12-15
20G高压锅炉管76×4-4.5-5-6-7-8-9-10-12-14
20G高压锅炉管83×4.5-5-10-12-14-16-18-20
20G高压锅炉管108×4.5-5-6-7-8-10-12-14-18-20-22
20G高压锅炉管114×4.5-5-6-7-8-10-12-14-18-20
20G高压锅炉管121×4.5-5-6-7-8-10-12-14-16-20
20G高压锅炉管127×4.5-5-6-7-8-10-12-14-16-20
20G高压锅炉管133×4.5-6-8-12-14-16-18-20-25-30
20G高压锅炉管140×5-6-7-8-9-10-12-14-16-20-22
20G高压锅炉管146×4.5-6-8-12-14-16-18-20-25-30
20G高压锅炉管152×4.5-6-8-12-14-16-18-20-25-30
20G高压锅炉管159×4.5-6-10-12-14
20G高压锅炉管159×16-18-20-22-25-30
20G高压锅炉管168×8-10-12-14-20-25-30-35
20G高压锅炉管180×8-12-16-25-30
20G高压锅炉管180×32-34-38-40-45-50
20G高压锅炉管194×6-8-12-16-20-25-30-40-45-50
20G高压锅炉管203×6-7-10-15-20-25-30
20G高压锅炉管203×32-36-40-45-50
20G高压锅炉管219×6-8-12-16-18-20-25
20G高压锅炉管219×30-40-45-50-55
20G高压锅炉管219×55-58-60-65-70
20G高压锅炉管245×8-10-14-17-20-22
20G高压锅炉管245×25-28-30-34-40
20G高压锅炉管273×7-9-12-15-18-20-25
20G高压锅炉管273×30-35-38-40-45-50
20G高压锅炉管299×8-12-16-20-24-28
20G高压锅炉管351×10-16-20-25-40
20G高压锅炉管355×6-18-20-25-30-40/52
20G高压锅炉管377×8-12-15-20-24-28
20G高压锅炉管377×30-37-40-45-50
20G高压锅炉管402×10-15-20-25-30-35
20G高压锅炉管406×10-20-25-28-35-40
20G高压锅炉管426×10-12-14-16-20-25-30-35-40
20G高压锅炉管450×10-12-14-16-20-25-34-40-50
20G高压锅炉管480×10-12-14-16-18-20-25-30-40
20G高压锅炉管500×10-12-14-16-20-25-34-40-50
20G高压锅炉管510×10-12-14-16-20-25-34-40-50
20G高压锅炉管530×10-12-14-16-18-20-30-40
20G高压锅炉管560×10-14-16-20-25-30-40-50-60
20G高压锅炉管580×10-14-16-20-30-40-50-70
20G高压锅炉管600×10-14-18-25-20-30-50-60
20G高压锅炉管610×10-14-18-25-20-30-50-60
20G高压锅炉管620×14-20-30-35-45-50-60
20G高压锅炉管630×10-20-30-40-55
20G高压锅炉管640×12-25-32-40-50-65
20G高压锅炉管650×15-20-30-40-50-60-65
20G高压锅炉管680×20-25-35-45-65
20G高压锅炉管710×10-20-30-45-50-65
20G高压锅炉管720×10-20-30-45-50-65
20G高压锅炉管750×20-35-45-60