SAE MA3378C

This specification covers metric bolts and screws with forged heads made from a corrosion and heat resistant nickel-base alloy of the type identified under the Unified Numbering System as UNS NO7001. The following specification designations and their properties are covered: MA3378 1210 MPa minimun ultimate tensile strength at room temperature; 520 MPa stress-rupture strength at 730 degrees C and MA3378-1 1210 MPa minimum ultimate tensile strength at room temperature; 726 MPa minimium ultimate shear strength at room temperature.