... 4mm-18MM LENGTH :5.8-18M API ERW LINE PIPE Size 114.3--457.2mm Wall thickness 4 ... 5CT, EN10217, EN10219, GB/B9711.1, GB/T9711.2, SY/T5037-2000, GB/T3091-2008 Material Q235, ... and natural gas, building construction, water conveying, steel structure, shipbuilding, farm vehicle, the railway and highway guardrail ... strips into bundles,big sizes in loose (2)pipe ends protested by plastic caps or iron rings ...