The material is made of American standard wide-flange H-beam with the size standard of ASTM A6. The steel grade can be selected between ASTM A572 GR50 /GR60, ASTM A992 or Q355. The hot-dip galvanizing meets ASTM A123, ISO1461 and AS/NZS4680 standards. Of course, we are also happy to meet other quality standards and different HDG coating thickness for our customers, as it is our tradition to quickly respond to customer needs and act immediately. The company’s long-term inventory of the common specifications of the WF beams 2000 tons, to meet the customer’s fastest delivery requirements.