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    • CommentAuthorqzz10011
    • CommentTimeSep 5th 2017
    In the production or welding process cooling rate is not fast enough, the most likely occurrence of sigma phase formation. The higher the degree of alloying of steel, the higher the probability of sigma phase formation. Therefore, super double steel is the most prone to this problem.<a href="">300series 400 series stainless steel bar</a> The formation of the 475 degree embrittlement is due to a stage called �� '(��'). Although the worst temperature is 475 deg C, it can still be formed at temperatures as low as 300 degrees, which leads to the maximum temperature limit for double steel. This restriction further reduces the potential scope of the application.<a href="">���ڧ�ߧ֧ߧ�� �ѧݧ�ާڧߧڧ֧ӧ�� �ݧڧ�� 3003 h112</a> At the other end of the balance, compared with the austenitic grade, the use of duplex stainless steel is limited. Unlike austenitic steels, duplex stainless steels exhibit a ductile brittleness transition in impact tests.<a href="">Low carbon steel Black annealed tie wire</a> A typical test temperature is - 46 deg C, for offshore oil and gas applications, minus 80 degrees deg C is the lowest temperature normally encountered with duplex stainless steels.<a href="">E7018 varilla de soldadura de electrodo de longitud de 300-450 mm</a>
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