尺寸：20 x 20和400 x 400mm
外径公差：±0.03
国际标准：BV和SGS
标准：astm-a53a，bs1387-1985和gb / t3091-2001
材料：Q195，Q215，Q235和Q345
技术：焊接
包装：捆绑
可接受定制包装方式
用途：用于低压液体输送，如水，气，油和结构
可用的加工技术：螺纹，联轴器和塑料帽保护
moq：10mt（10,000kg）

Sizes: 20 x 20 and 400 x 400mm
Outer diameter tolerance: ±0.03
International standards: BV and SGS
Standards: ASTM-A53A, BS1387-1985 and GB/T3091-2001
Materials: Q195, Q215, Q235 and Q345
Technique: welded
Packaging: in bundles
Customized packaging ways are accepted
Usage: for low pressure liquid delivery such as water, gas and oil and constructions
Processing technology available: threading, coupling and with plastic caps protected
MOQ: 10mT (10,000kg)