Heat resistant steel pipe: 1.model number ... 3.steel grade:200/300/400/600 series heat resistant steel pipe/Seamless pipe/ pipe fittings/ as ... requirement Our products are corrosion and high-temperature resistant. we will supply you high quality , bottom ... latest priceSurfacepolish, primary colour,matt,mirror face ,wire drawingProductions requirementcold drawing, cold rolling, precision rollingMain ...