Customers often ask us about the differences between hot rolled steel and cold rolled steel. There are some fundamental differences between these two types of metal. The differences between hot rolled steel and cold rolled steel relates to the way these metals are processed at the mill, and not the

Black Painted Seamless Steel Pipes is made of Q235 hot rolled or cold rolled strip steel or coil as the base material.The utility model relates to a hollow square lightweight thin-walled steel pipe made by cold bending process. Black hollow square steel pipe parameterThe thickness is generally about

For the material of carbon steel pipe fittings, there are some threaded types of fittings.BARREL NIPPLE: another name is long nipple, it is produced by cutting pipes and process with threading. The length can be customized, the usage is for connecting.KIM NIPPLE: some buyer call it king nipple, one

SMLS pipe is produced by heating a round billet of steel and then piercing it with a bullet-shaped piercer, over which the steel is stretched. This is followed by rolling and drawing to produce the desired dimensions. The final product is hydrostatically tested, inspected, coated if required, and st

PPGI is pre-painted galvanised iron, also known as pre-coated steel, coil coated steel, color coated steel etc., typically with a hot dip zinc coated steel substrate.The term is an extension of GI which is a traditional abbreviation for Galvanized Iron. Today the term GI typically refers to essentia