High quality carbon structural steel grade 08F / 08:
The grade 08F / 08 steel can be used to make steel pipes, gaskets, welding electrodes and carburizing and cyaniding structural parts with low strength requirements at the core.
High quality carbon structural steel grade 10F / 10:
The grade 10F / 10 steel can be used to manufacture boiler pipe, electric welding pipe, oil tank top cover, mechanical manufacturing operation parts, extrusion parts, steel strip, steel wire, steel plate and section steel.
High quality carbon structural steel grade 15F / 15:
The grade 15F / 15 steel is used in the production of carburized parts, fasteners, stamping die parts and low load parts that do not need heat treatment, such as bolts, screws, braces, flanges and chemical containers, steam boilers.
High quality carbon structural steel grade 20:
Grade 20 high quality carbon structural steel can be used for parts that do not bear great stress but require high toughness, such as pull rod, shaft sleeve, screw, lifting hook, etc. And it can be used to make pipes, carburizing and cyaniding parts for non corrosive media below 450℃with low strength in the center, such as shaft sleeve, roller, shaft, gear and sprocket.
High quality carbon structural steel grade 25:
Grade 25 steel is used to make non hot forging and hot stamping mechanical structure parts, carburizing and cyaniding parts on machine tools; Shafts, rollers, connectors, washers, bolts, nuts, etc. with little load in heavy and medium machinery.