ਦੁਆਰਾ ਪ੍ਰਕਾਸ਼ਿਤਪ੍ਰਬੰਧਨ
'ਤੇਜੂਨ 26, 2016
The ERW steel pipe is also known as straight joint pipe.根据墙密度,the bonded tube is categorized into typical types and thick-walled types.我们可以根据客户要求提供个性化壁厚的产品’厚度偏差不大于0.25ਮਿਲੀੀਟਰ。大小介于1/2英寸和24ਇੰਚ,our ERW steel pipes go through rigorous examinations and tests,所以要保证焊接质量,external size precision,ovality,cut lengths,管端质量,wall density tolerance,and packaging quality are all conforming to API5L,ASTMA53, GB / T9711.1,or GB/T3091 standards. […]