鬆原45#大口徑厚壁無（wú）縫管

材質            規格（外徑×內孔×長度）mm   

45#             133×63×3000

45#             146×76×3000

45#              152×62×3000

45#              152×72×3000

45#              219×99×1535

45#              168×98×3000

45#              168×88×3000

45#              168×78×3000