Bolts and Screws, UNS S66286, Corrosion and Heat Resistant Steel, Procurement Specification, Metric

Standard:
Revised:
  • 2011-06-07
 
  • HISTORICAL Access the latest revision: MA3374C
Publisher:
  • SAE International
Pages:
21
Scope:

This document covers metric bolts and screws 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: MA3374 900 MPa minimum ultimate tensile strength at room temperature; 480 MPa stress-rupture strength at 650 °C and MA3374-1 900 MPa minimum ultimate tensile strength at room temperature; 590 MPa minimum ultimate shear strength at room temperature.

Primarily for aerospace propulsion system applications where a combination of fatigue strength, tensile strength, stress-rupture strength and resistance to relaxation at elevated temperatures is required.

Rationale:

To revise paragraph 3.5 by adding “two to” three threads in agreement with NASM1312 test methodology and general updating of specifications and SAE formatting requirements.

History:
Standard Published Revision Status
MA3374C 2012-08-30 Latest Revised
2011-06-07 Historical Revised
2006-05-08 Historical Reaffirmed
1995-05-01 Historical Revised
AKA:
  • SAE MA 3374
Sector:
Topic:
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