steel heavy duty pipe hose clamp 1 Material: galvanized steel or stainless steel 2 Bandwidth: 20mm 3.ISO9001-2008 2013 Hot steel heavy duty pipe hose clamp Haiyan Hongtai Metal Products Co.,Ltd. Wecan produced by your drawing, samples or description. 1) material: Carbon steel , galvanized sheet, stainless steel 304 ,brass2) surface treatment: Zinc , powder coat, hot-dip galvanized3) machining ...