S32750是目前超級雙相不銹鋼系列中的典型代表，與普通2205雙相不銹鋼相比，Cr、Mo、N含量均有一定程度的提高，尤其是N含量，達到2800ppm左右，耐點腐蝕指數PREN達到43，因而具有更高的強度、更為優越的耐氯離子點蝕、耐應力腐蝕性能。適用于石油化工、煉油、真空制鹽、煙氣脫硫等腐蝕環境更為苛刻的領域。目前世界上只有極個別國家可以生產。
部分不銹鋼化學成份表
部分不銹鋼化學成份表 |
|
規格 |
化學成份(%) |
|
中國 |
|
C |
Si |
Mn |
P |
S |
Ni |
Cr |
Mo |
|
0Cr19Ni9 |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.035 |
8.00-10.50 |
18.00-20.00 |
|
|
0Cr19Ni11 |
≤0.030 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.035 |
9.00-13.00 |
18.00-20.00 |
|
|
0Cr17Ni12Mo2 |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.035 |
10.00-14.00 |
16.00-18.00 |
2.00-3.00 |
|
0Cr19Ni14Mo2 |
≤0.030 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.035 |
12.00-15.00 |
16.00-18.00 |
2.00-3.00 |
|
日本 |
SUS304 |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.040 |
≤0.040 |
8.00-11.00 |
18.00-20.00 |
|
|
SUS304L |
≤0.030 |
≤1.00 |
≤2.00 |
≤0.040 |
≤0.040 |
9.00-13.00 |
18.00-20.00 |
|
|
SUS316 |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.040 |
≤0.040 |
10.00-14.00 |
16.00-18.00 |
2.00-3.00 |
|
SUS316L |
≤0.030 |
≤1.00 |
≤2.00 |
≤0.040 |
≤0.040 |
12.00-16.00 |
16.00-18.00 |
2.00-3.00 |
|
美國 |
Tp304 |
≤0.08 |
≤0.75 |
≤2.00 |
≤0.040 |
≤0.040 |
8.00-11.00 |
18.00-20.00 |
|
|
Tp304L |
≤0.035 |
≤0.75 |
≤2.00 |
≤0.040 |
≤0.040 |
8.00-13.00 |
18.00-20.00 |
|
|
Tp316 |
≤0.08 |
≤0.75 |
≤2.00 |
≤0.040 |
≤0.040 |
11.00-14.00 |
16.00-18.00 |
2.00-3.00 |
|
Tp316L |
≤0.035 |
≤0.75 |
≤2.00 |
≤0.040 |
≤0.040 |
10.00-15.00 |
16.00-18.00 |
2.00-3.00 |
產 品 說 明 
