Hexagon socket head round head bolts are made of iron and stainless steel bolts. The producible grades of iron are 4.8 grade bolts and 8.8 grade bolts.
Material Structure:A105, F304,F316 Steel, F51, Inconel, Monel etcWorking Pressure:Class150LB, Class300LB; Nominal Diameter:NPS2~8”,DN15~200mmWorkingTemperatur:-29to210ºCShipping & Delivery:20-25 days lead time; deliver by ship from Ningbo port or Shanghai
Standard: Standard: ISO2531,EN545,EN598 Pressure: PN10/PN16/PN25/PN40 Body material: Ductile iron Coating: a). Inside and outside with FBE ( fusion bonded epoxy) coating or Epoxy painting; b). Inside and outside with Epoxy painting; c). Inside and outside