Door hinge Stainless steel material precision casting Door hinge 1, It is used on the door and wildly used2,Material composition:Composition(C)%(SI)%(Mn)%(P)%(S)%(Cr)%(Ni)%(Mo)%3040.0780.851.120.0230.02817.078.023160.0780.671.100.0100.02016.68710.292.013,Surface: Mirror or Satin finished 4,Certificates to gurantee the quailty suck as CE,ISO,Mechnical certificates5,OEM is welcomed.6,We pack the ...