ERW steel pipe 

OD: 1/4 "---48" 

WT: SCH20 SCH30 SCH 40 SCH80 SCH160 

We can also produce big tube for dia. 377-4,000mm / thickness: 8-50mm and spiral 

pipe with the DN ranging from 219 to 3420 mm and 6-25mm thickness 

More information you can feel free to contact us. 

MSN: lgm_gq(at) 
http://hbscgy.en.china.cn