Steel grade · No. 186698

A249 Type 309HCb

Country or region United States
Standard systemASTM

Standards

Property data lives under a specific standard — numbers never mix across files.

ASTM A249/A249M:2014Standard Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes(2015a)
- Chemical composition
- Mechanical properties