... are issued by Shanghai No .5 Steel and Shanghai Steel and Iron Research Institution .We specialise in stainless steel pipes. We can supply pipes,round ... -405, Monel 450, Monel K-500, Monel S. 6.Special Steel-904L, 2205, 2507, Carpenter 20Cb3, 309S, 310S, 310Si, 316LMod, 316Ti ...