... 4.hastelloy,Monel,Inconel,Ti,Super duplex ss Features:1.904L / N08904 / DIN1.4539 plate2.Size: M6-M100(1/4-4 ... bolts,screws,nuts,washers and etc. Material: Super duplex stainless steel,Hastelloy ,Monel,Incoloy,Zirconium alloy and etc. Production standard: ... ,which material is special alloy. Material: Super duplex stainless steel,Hastelloy ,Monel,Incoloy,Zirconium alloy and etc. Production standard: ...