
Stainless Steel Corrugated Tube for Heat Exchanger Power Plants 300 Series Tubes 316L 304 Pipes
Ti is added in the 321 stainless steel as a stable element, so it is better than 316 stainless steel under high temperature. 321 stainless steel owns good wear resistance and corrosion resistance in both organic acids and inorganic acids at different temperature and concentration, especially in...
- Product Introduction
Description
321 stainless steel seamless pipe is a common austenitic 18/8 stainless steel alloy with titanium added, making it ideal for high temperature environments up to 900 ° C. It has good welding and forming capabilities and is widely used. Operating temperature environment exceeding 500 °C.
Advantage
It can destroy the cast structure of the ingot, refine the grain of the steel, and eliminate the defects of the microstructure, so that the steel structure is compacted and the mechanical properties are improved. This improvement is mainly reflected in the rolling direction, Hangzhou 321 stainless steel seamless pipe so that the steel is no longer isotropic to a certain extent; bubbles, cracks and looseness formed during pouring can also be used in high temperature and pressure Under welding.
Chemical composition(WT%)
(C) :≤0.08
(Si) :≤1.00
(Mn) :≤2.00
(Cr) :17.0 to 19.0
(P) :≤0.035
(S) :≤0.030
(Ni) : 9.0 to 12.0
(Ti): ≥5×C%
Application
Petrochemical industry, chemical fertilizer industry, oil refining industry, oil and gas industry, light industry and food industry, pulp and paper industry, energy and environmental industries.
How much the Ti composition should be in 321 stainless steel?
According to ASTM A182-2008, the Ti composition should be more than 4 times than the carbon composition but can not exceed 0.7%. Generally, the carbon composition in 321 stainless steel is less than 0.08%.
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