Material:stainless Cast iron,carbon steel,alloy steel Certificate:ISO9001 best price and quality standard ... ,stable mechanical properties), widely used in construction industry.Commodity:unequal angle steelStandard: GB, JIS, ASTM, AS, DIN, AISI, ... used in construction industry.Others: We can also provide fabricated angle bars, including fabrication of cutting, drilling, welding, galvanizing, ussally ...