Modification of Surface Property for Controlling the Type 304 Stainless Steel Electrochemical Corrosion Potential in 288°C Water

CORROSION ◽  
2005 ◽  
Vol 61 (7) ◽  
pp. 648-654 ◽  
Author(s):  
Y-J. Kim ◽  
P. L. Andresen ◽  
E. Moran ◽  
D. Gray
Keyword(s):  
Stainless Steel ◽  
Surface Property ◽  
Corrosion Potential ◽  
Electrochemical Corrosion ◽  
304 Stainless Steel ◽  
Type 304 ◽  
Type 304 Stainless Steel

Detection of Stress Corrosion Cracking of Type 304 Stainless Steel Using Acoustic Emission and Corrosion Potential Fluctuation

2006 ◽  
Vol 13-14 ◽  
pp. 243-250 ◽  
Author(s):  
Akio Yonezu ◽  
Hideo Cho ◽  
Mikio Takemoto
Keyword(s):  
Stainless Steel ◽  
Corrosion Potential ◽  
Time Lag ◽  
Hydrogen Gas ◽  
Corrosion Products ◽  
304 Stainless Steel ◽  
Single Frequency ◽  
Potential Fluctuation ◽  
Type 304 ◽  
Type 304 Stainless Steel

This paper discusses the mechanism of chloride SCC of sensitized and non-sensitized Type-304 stainless steel based on the data obtained by simultaneous monitoring of AE and corrosion potential fluctuation (CPF). The steel produced transgranular SCC via corrosion pits filled with corrosion product (chromium oxy-hydroxides) in 35 mass % MgCl2 solution. Both the pitting corrosion and transgranular SCC did not produce primary AEs due to anodic dissolution, while they generated rapid drop (RD) type CPF. We, however, detected the secondary AEs from hydrogen gas evolution and fracture of corrosion products. Hydrogen gas was found to produce AE with single frequency component, while the fracture of corrosion products produced AEs with broad frequency components. The sensitized steel produced primary AEs due to the falling-off of grains as well as the secondary AEs. Microscopic progression of SCC was consistently interpreted by the timing and time-lag of AEs and CPFs.

OUTOKUMPU TYPE 630

Alloy Digest ◽  
2016 ◽  
Vol 65 (2) ◽  
Keyword(s):  
Fracture Toughness ◽  
Stainless Steel ◽  
Corrosion Resistance ◽  
Physical Properties ◽  
High Performance ◽  
High Strength ◽  
Heat Treating ◽  
304 Stainless Steel ◽  
Type 304 ◽  
Type 304 Stainless Steel

Abstract Outokumpu Type 630 is a martensitic age hardenable alloy of composition 17Cr-4Ni. The alloy has high strength and corrosion resistance similar to that of Type 304 stainless steel. This datasheet provides information on composition, physical properties, hardness, and tensile properties as well as fracture toughness. It also includes information on corrosion resistance as well as forming, heat treating, and joining. Filing Code: SS-1238. Producer or source: Outokumpu High Performance Stainless.

Sign in / Sign up

Export Citation Format

Share Document