... 5.Certificate:API5L,ISO9001,CE Item 42 inch solid steel pipe SizeOD: 1/2inch - 48 inch(DN15- ... CangZhou HengJia PipeLine Co., Ltd. Major steel production of seamless steel pipe, straight seam steel pipe, spiral steel pipe, galvanized steel pipe, steel sheet, strip ... the pipe one-stop service. Material drain: stainless steel, alloy steel, carbon steel, titanium (Ta2), copper, aluminum, Monel, Hastelloy, ...