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304L
304L 是碳含量较低的304不锈钢的变种,用于需要焊接的场合。较低的碳含量使得在靠近焊缝的热影响区中所析出的碳化物减至最少,而碳化物的析出可能导致不锈钢在某些环境中产生晶间腐蚀(焊接侵蚀)。目前已广泛应用于光通讯行业。
|
喂料编号 |
化学成分 |
OSF |
密度 |
|||||||
|
C |
Cr |
Ni |
Si |
Mn |
S |
P |
Fe |
|||
|
FDC304LA |
≤0.03 |
18.0-20.0 |
8.0-12.0 |
≤0.75 |
≤2.00 |
≤0.03 |
≤0.045 |
Bal |
1.190 |
≥7.75 |
|
FDC304LB |
≤0.03 |
18.0-20.0 |
8.0-12.0 |
≤0.75 |
≤2.00 |
≤0.03 |
≤0.045 |
Bal |
1.167 |
≥7.75 |
|
FDC304LC |
≤0.03 |
18.0-20.0 |
8.0-12.0 |
≤0.75 |
≤2.00 |
≤0.03 |
≤0.045 |
Bal |
1.164 |
≥7.75 |
|
FDC304LW |
≤0.03 |
18.0-20.0 |
8.0-12.0 |
≤0.75 |
≤2.00 |
≤0.03 |
≤0.045 |
Bal |
1.164 |
≥7.75 |
|
FDC304LN |
≤0.03 |
18.0-20.0 |
8.0-12.0 |
≤0.75 |
≤2.00 |
≤0.03 |
≤0.045 |
Bal |
1.185 |
≥7.75 |