GB 20Cr steel Annealing delivery hardenss less than 250HB.20Cr With a lower carbon content range, So GB 20Cr alloy steel have good weldability. BBN steel as China Steel Grade Standard GB/T 3077 20Cr Alloy Structure Steel stockholders and suppliers from china.we can Supply in GB 20Cr steel round bar, plate, sheet, square bar, flat bar, pipe
GB-T 5216 20CrNi2MoH Round bar,20CrNi2MoH Bearing Unitedsteel Hollow section factory is specialized in High frequency welded Hollow section, Submerged arc welded Hollow Section, Hot rolled and Cold drawn Seamless Hollow section exporting enterprises. The products are Square Pipe/tube, Rectangular Pipe/tube, low alloy Square Pipe/tube, GBT-307737SiMn2MoVRoundbar,37S
GB/T 8162-2008 English Version - GB/T 8162-2008 Seamless Steel Tubes for Structural Purposes (English Version):GB/T 8162-2008, GB 8162-2008, GBT 8162-2008, GB/T8162-2008, GB/T 8162, GB/T8162, GB8162-2008, GB 8162, GB8162, GBT8162-2008, GBT 8162, GBT8162
GB/T1591 Q345B carbon and low alloy steel - BEBON steelBBN steel offer GB/T1591 Q345B carbon and low alloy steel in China. Q345B material is low alloy structural steel with good mechanical properties, low temperature performance, plasticity and good weldability, it is mostly used in low pressure vessel, oil tank, vehicles, cranes, mining machinery, power stations, mechanical parts, building structure, general metal parts, Q345(E) steel plate is
GBT 8162 Q345D seamless steel pipe size --- Katalor Katalor is a professional manufacturer of cold drawn seamless steel pipe in China. Our GBT 8162 Q345D seamless steel pipe with very high precision of size.. OD:10.3mm - 965.2mm Wall thickness:1.0mm - 60mm. Advantages of our high precision seamless steel pipe:1.