625 Alloy

Alloy name: 625
Diagram No.: 1087
Type of diagram: TTS
Chemical composition in weight %: 60.2% Ni, 22.2% Cr, 9.2% Mo, 4.1% Fe, 0.06% Cu, 0.06% W, 0.12% Mn, 0.08% Si, 0.17% Ti, 0.16% Al, 3.5% Cb, 0.04% N, 0.02% C, 0.007% P, 0.002% S
Alloy group: Nickel-based alloys
Note: Time-Temperature-Sensitization (TTS) diagram of Alloy 625, composition as indicated in Table, when tested according to ASTM G 28, method A5 over 120 h on a plate of 5 mm thickness. Numbers indicate corrosion loss (mm/year).
Fig. shows the Time-Temperature-Sensitization diagrams established a) for the soft annealed condition and b) for the solution annealed condition of alloy 625. In the soft annealed condition sensitization in terms of the 50 urn (2 mils) intercrystalline penetration criterion, occurs fastest at about 750C starting already after about 3 h aging at this temperature. The whole temperature range of sensitization as shown in Fig. a is in good agreement with the results of previous investigations3 where a distinct increase of corrosion rate in ASTM-G-28 A solution had been observed after 3 h aging at 700/750C.
Reference: Not shown in this demo version.

Transformation Diagram

Price: 30.00 US $
Buy Online Transformation Diagram

Other Steel Data links
Carbides in Steel
Etchants Database
Hardenability Diagrams of Steels
Macro Defects in Steel
Non-Metallic Inclusions in Steel
Tempering Diagrams of Steels
CCT and TTT Diagram Calculating Service
Transformation Diagrams of Non-Ferrous Alloys

Disclaimer: The information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other puposes. There is no representation that the recipient of this literature will receive updated editions as the become available.

Copyright © 2019 by Steel Data. All Rights Reserved.