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High chromium steel for high temperature member

Ooguro Takashi, +1 more
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TLDR
In this paper, the title steel having superior oxidation resistance, high temp. strength and good weldability, and consisting of each specified amt. of C, Si, Mn, Cr, V, Nb, Mo and/or W and the balance Fe.
Abstract: 
PURPOSE:To provide the title steel having superior oxidation resistance, high temp. strength and good weldability, and consisting of each specified amt. of C, Si, Mn, Cr, V, Nb, Mo and/or W and the balance Fe.

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Heat-resisting steel turbine part

Osamu Watanabe, +2 more
TL;DR: The creep rupture strength of this heat-resisting steel is much higher than that of a prior state-of-the-art 12-Cr heat-resistant steel as discussed by the authors.
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Heat treatment for welding zone

Yamamoto Akiyuki, +2 more
TL;DR: In this article, the authors proposed to improve the toughness of a weld zone and relieve residual welding stress by subjecting a heat-transfer pipe of a heat exchanger and a hub of a pipe plate to butt welding and then applying heat treatment to the weld zone under specific conditions.
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Heat resistant ferritic steel of high strength

Toshio Fujita, +2 more
TL;DR: In this article, the authors proposed a method to improve the creep rupture strength of a ferritic steel by adding a large amount of W and proper CONSTITUTION: The composition of a Ferritic steel for a boiler tube is composed of, by weight, 0.03W0.12% C,0.1W1.5% Nb
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Steel for boiler excellent in weldability and tenacity

Takashi Zaizen, +3 more
TL;DR: In this article, the weldability, tenacity and high temp strength of steel for a boiler were improved by using a predetermined ratio of C, Si, Mn, Mo, Cr, Ni, V and Nb.