Work Item
ASTM WK97014
Revision of B163-22 Standard Specification for Seamless Nickel and Nickel Alloy Condenser and Heat-Exchanger Tubes
Rationale
Add new Alleima nickel alloy 51A6 (51Ni-33Cr-8Mo-N) to specification. The end-user supporting letter is from Marks Brothers inc. Data includes chemistries from 3 heats and mechanical properties from 3 heats. A patent application has been filed for this grade.
Work Item Status
Date Initiated: 11-12-2025
Technical Contact: Keith Hottle
Item: 000
Ballot:
Status: