Multi-pass arc welding techniques of 12 mm thick super-duplex stainless steel

2019 ◽  
Vol 271 ◽  
pp. 126-143 ◽  
Author(s):  
D. Arun ◽  
K. Devendranath Ramkumar ◽  
R. Vimala
Keyword(s):  
Stainless Steel ◽  
Duplex Stainless Steel ◽  
Arc Welding ◽  
Super Duplex Stainless Steel

scholarly journals Welding of Large Thickness Super Duplex Stainless Steel: Microstructure and Properties

Metals ◽  
2021 ◽  
Vol 11 (8) ◽  
pp. 1184
Author(s):  
Maria Asuncion Valiente Bermejo ◽  
Daniel Eyzop ◽  
Kjell Hurtig ◽  
Leif Karlsson
Keyword(s):  
Stainless Steel ◽  
Duplex Stainless Steel ◽  
Arc Welding ◽  
Gas Metal Arc Welding ◽  
Steel Plates ◽  
Super Duplex Stainless Steel ◽  
Steel Microstructure ◽  
Large Thickness ◽  
Time Required ◽  
Interpass Temperature

In this study, Submerged Arc Welding (SAW) and Gas Metal Arc Welding (GMAW) processes were used in multi-pass welding of 33 mm thickness super duplex stainless steel plates. Recommended and higher than recommended arc energy and interpass temperatures were used. Both GMAW and SAW processes were able to produce large thickness weldments meeting the microstructural, mechanical, and corrosion resistance requirements, and also when using higher than recommended arc energy and interpass temperature. It was possible to reduce the number of welding passes by half when using higher than recommended arc energy and interpass temperature. The SAW process needed only half of the welding time required for the GMAW process to produce a weldment with nearly the same number of weld passes, when using recommended arc energy and interpass temperature. Based on the results of this investigation, the practical recommendations for welding large thicknesses should be revised and updated.

ZERON 100

Alloy Digest ◽  
1993 ◽  
Vol 42 (11) ◽  
Keyword(s):  
Fracture Toughness ◽  
Stainless Steel ◽  
Corrosion Resistance ◽  
High Temperature ◽  
Duplex Stainless Steel ◽  
Heat Treating ◽  
Super Duplex Stainless Steel ◽  
Corrosion Performance ◽  
Temperature Performance ◽  
Offshore Oil

Abstract ZERON 100 is a super duplex stainless steel which is manufactured to give a guaranteed corrosion performance by using an equation to control the chemistry in those elements which will determine the corrosion resistance of the material. Major usages in seawater applications, particularly offshore oil gathering systems. This datasheet provides information on composition, hardness, and tensile properties as well as fracture toughness. It also includes information on low and high temperature performance as well as heat treating, machining, and joining. Filing Code: SS-555. Producer or source: Weir Material Services Ltd.

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