标准
bs,EN,GB,AiSi,ASTM,DIN,JIS
材质
astm A53,q235b q345b s235jr s355jr
应用
流体管, 液压管, 煤气管, 输油管, 结构管
认证
API, PVOC, JIS, ISO9001
name
fire fighting steel pipe
Grade
q235b q345b s235jr s355jr
Zinc Coating
200g 300g 400g 600g
surface
galvanized ,color coated painted