供应 低中压锅炉用无缝管 （GB3087-99）天津庆硕伟业 用于低中压锅炉(工作压力一般不大于5.88MPa,工作温度在450℃以下)的受热面管子,集箱及蒸汽管道 22×2 140×6-6.5-8-10 32×3-4 159×4.5-5-5.5-6-6.5-7-8-9-10-11-12 38×3-3.5-4-5 168×5-6-6.5-7-8-9-10-11-12 42×3.5 180×6-7-8-9-10-12 45×3.5 194×6-7-8-9-10-11-12 51×3-3.5-6 219×6-6.5-7-8-9-10-11-12-14-15-16-18-20 57×3-3.5-5 245×7-8-9-10-11-12-14-16-18-20 60×3-4-4.5-5-6.3-7.1-8.8-10-11.5 273×7-8-9-9.5-10-11-12-14-15-16-18-20 63.5×3-3.5-4-4.5-5-6.3-7.1-8-8.8-9-10 325×8-9-10-12-13-14-15-16-18-20 70×3.5-4-5-5.5-6-6.5-7-8-9-10 356×9-10 73×3.5-4-4.5-5-5.5-6-7-8-9-9.5-10 377×9-10-11-13-14-16 76×4-4.5-5-6-7-8 402×9-10 83×4.5-10 426×9-10-11-12-13-17 89×4-4.5-5-6-7-8-10-12.5 450×10-14 102×4.5-5-5.5-6-7-8-10 457×10-11-14 108×4-4.5-5-6-7-8-9-10-12.5 508×10-13 114×4.5-6-9 530×9-20 133×4.5-5-6-7-8-8.5-10-12.5 022-26344333 http://www.tj-qswy.com