... Q345ASTM,GB,JIS,DIN0.4-1.9mm, 1000/1250mmWidely used in construction, furniture Automotive manufacturing, electric products, vehicles, ... PipeQ195-Q345ASTM, GB0.8-12mm,19-275mmMainly used in petroluem,chemical,power,gas,water,shipbuiding,construction,etcLow & mid-pressure ... Q345,etcGB,ASTM20-426mm,0.5-10mmMainly used in petroluem,natrual gas and heating pipelineStainless Steel AngleSS400-SS540 Series ...