以下为spiral--welded steel pipes详细参数信息，spiral--welded steel pipes图片由沧州切尔诺钢管有限公司销售六处提供，spiral--welded steel pipes

Features: 1) Spiral-welded 2) Diameter: 219 - 2020mm 3) Thickness: 6 - 20mm 4) Standards: SY/T5037-2001,GB/T9711.1-1997.API 5L 5) Galvanized spiral steel pipes are also available Packing: Bare bundle or custom packing