SANDVIK SANICRO 67 COMPOSITE TUBE

Alloy Digest ◽  
2009 ◽  
Vol 58 (10) ◽  
Keyword(s):  
Physical Properties ◽  
Stress Corrosion ◽  
Stress Corrosion Cracking ◽  
Base Alloy ◽  
Corrosion Cracking ◽  
Nickel Base Alloy ◽  
Steel Company ◽  
Cracking Resistance ◽  
Composite Tube ◽  
Nickel Base

Abstract Sandvik Sanicro 67 is a composite tube for various boiler applications. The outer tube layer is of Sanicro 67, an austenitic nickel-base alloy with excellent corrosion and stress-corrosion cracking resistance. This datasheet provides information on composition and physical properties. It also includes information on forming and joining. Filing Code: Ni-673. Producer or source: Sandvik Steel Company and Sandvik AB.

Deformation, Recovery and Stress Corrosion Cracking of Nickel-Base Alloy 600 by X-ray Rocking-Curve Measurements

1989 ◽  
Vol 33 ◽  
pp. 33-53
Author(s):  
Chi Fung Lo ◽  
Gajiang Feng ◽  
William E. Mayo ◽  
Sigmund Weissmann
Keyword(s):  
Stress Corrosion ◽  
Stress Corrosion Cracking ◽  
Defect Structure ◽  
Base Alloy ◽  
Corrosion Cracking ◽  
Alloy 600 ◽  
Nickel Base Alloy ◽  
Rocking Curve ◽  
X Ray ◽  
Nickel Base

AbstractThe aim of this investigation was the establishment of a quantitative link between micro and macrodeformation and kinetic recovery of nickel-base Alloy 600 as well as the early detection of microcracks in this alloy when exposed to stress corrosion. To reach these objectives, X-ray rocking-curve measurements were carried out using the method known by its acronym CARCA (computer-aided rocking-curve analysis). Supported by transmission electron microscopy, a calibration curve was established relating dislocation density, X-ray rocking-curve halfwidth and strain. Applying CARCA, deformation levels and work-hardening characteristics of the alloys were measured by quantitative characterization of the induced defect structure. By correlating the analysis of the defect structure to the kinetic recovery of the alloys, including determination of the activation energies, it was possible to infer from the thermal stability of the alloys the dislocation obstacles responsible for hardening at different strain levels. It was shown that the recovery of the alloys was conditioned by their low stackingfault energy and that it depended on the strain level. Rapid recovery associated with grain boundary diffusion occurred at very small plastic strains up to about 0.7% with measured activation energies of recovery of about 25.6 Kcal/mol. At higher strains bulk diffusion was necessary to overcome the obstacles by dislocation climb with Q — 67 kcal/mol, The CARCA method proved itself to be a valuable research tool for assessing quantitatively the defect density and the mechanically and thermally induced changes. Relaxation effects, recorded by CARCA in the apex region of stressed C-rings exposed to a caustic medium, may open a path for early nondestructive detection of microcracks in stress-corrosion cracking.

SANDVIK SANICRO 41

Alloy Digest ◽  
1996 ◽  
Vol 45 (3) ◽  
Keyword(s):  
Corrosion Resistance ◽  
Physical Properties ◽  
Stress Corrosion ◽  
Tensile Properties ◽  
Base Alloy ◽  
Heat Treating ◽  
Nickel Base Alloy ◽  
Resistance To Stress ◽  
Nickel Base

Abstract Sandvik Sanicro 41 is an austenitic nickel-base alloy with excellent resistance to reducing acids, has better pitting resistance than Type 316SS, and has excellent resistance to stress-corrosion in chlorides and downhole environments. This datasheet provides information on composition, physical properties, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, and joining. Filing Code: Ni-505. Producer or source: Sandvik.

SANDVIK SANICRO 38/4L7

Alloy Digest ◽  
1996 ◽  
Vol 45 (8) ◽  
Keyword(s):  
Carbon Steel ◽  
Physical Properties ◽  
Base Alloy ◽  
Heat Treating ◽  
Nickel Base Alloy ◽  
Corrosion Resistant ◽  
Composite Tube ◽  
Nickel Base ◽  
Outside Diameter

Abstract Sandvik Sanicro 38/4L7 is a composite tube consisting of Sanicro 38, a corrosion-resistant nickel-base alloy on the outside diameter, and carbon steel (A210 GrA-1) for water-wetted service on the inside. The design is placed entirely on the inside tube; however, there is a contribution from both. This datasheet provides information on composition and physical properties. It also includes information on forming, heat treating, and joining. Filing Code: SA-483. Producer or source: Sandvik.

LSS 718 EP

Alloy Digest ◽  
2010 ◽  
Vol 59 (7) ◽  
Keyword(s):  
Physical Properties ◽  
Tensile Properties ◽  
Oil And Gas ◽  
Base Alloy ◽  
Heat Treating ◽  
Nickel Base Alloy ◽  
Steel Company ◽  
Exploration And Production ◽  
Nickel Base ◽  
Specialty Steel

Abstract Although LSS 718 EP is a premier aerospace nickel-base alloy, it has a significant presence in exploration and production (EP) of oil and gas and this modification is meant for those applications. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on forming, heat treating, machining, and joining. Filing Code: Ni-680. Producer or source: Latrobe Specialty Steel Company.

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