Zibo HITECH Material Co., Ltd is a specialized manufactuer and supplier fo stainless steel seamless pipe and stainless steel welded tube.Welded tube with small OD(1mm~30mm) is our strength.We have much experience in produing it. Our materials are following: TP304, TP304L,309S, 310S, 316, 316L, 316Ti,Duplex stainless steel 2205,2507 TP316(S31600) Type 316 is a molybdenum-bearing grade. This addition gives the better overall corrosion resistance properties than type 304 and higher creep strength at elevated temperatures. Type 316 gives useful service at room temperature in sulphuric acid of concentration of lower than 15% and higher than 85%. It also resists chloride attack and is often selected for use in marine atmospheres. Applications range: For use in the petroleum, chemical, medical equipment, boiler heat-exchanger and other fields Size: Seamless tube: 6mm~1524(OD)*0.5mm~24mm(WT) Welded tube: 1mm~120mm(OD)*0.1mm~10mm(WT) Standards:GB,JIS,EN,DIN,ISO,ASTM,ASME and so on.