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.

Details

Developed by Subcommittee: B02.07

Committee: B02

Staff Manager: Jennifer Tursi

Work Item Status

Date Initiated: 11-12-2025

Technical Contact: Keith Hottle

Item: 000

Ballot:

Status: