This document covers metric studs made from a corrosion and heat resistant, age hardenable iron base alloy of the type identified under the Unified Numbering System as UNS S66286. The following specification designations and their properties are covered:

MA3375 - 900 MPa minimum ultimate tensile strength at room temperature

MA3375-1 - 900 MPa minimum ultimate tensile strength at room temperature; 480 MPa stress-rupture strength at 650 Â°C

MA3375-2 - 900 MPa minimum ultimate tensile strength at room temperature; 590 MPa minimum ultimate shear strength at room temperature