耐腐蚀不锈钢
奥氏体耐腐蚀不锈钢系列包含了更多的金属元素(例如镍,铬还有钼),它们都能抵抗在潮湿的化学反应下所引起的多种腐蚀反应,并仍能保持奥氏体的面心立方晶结构基质。以致我们能制造出各种各样的高品质不锈钢管。
奥氏体铁素体材料
MST designation | Nearest equivalent standard | Typical chemical composition 1) | Density | Min. mechanical prop. at RT | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
UNS | EN | Cmax | Cr | Ni | Mo | Cu | others | Rp0.2 Yield Strength | Rm Tensile Strength | |||||
g/cm3 | lb/in3 | MPa | ksi | MPa | ksi | |||||||||
DMV 18.5 | S31500 | 1.4424 | 0.03 | 18.5 | 4.8 | 2.7 | Si 1.7; N 0.1 | 7.8 | 0.28 | 440 | 64 | 630 | 92 | |
DMV 22.5 | S31803 | 1.4462 | 0.03 | 22.0 | 5.5 | 3.0 | N 0.17 2) | 7.8 | 0.28 | 450 | 65 | 620 | 90 | |
DMV 25.7 | S31260 | 0.03 | 25.0 | 6.5 | 3.0 | 0.5 | N 0.20; W 0.5 | 7.8 | 0.28 | 450 | 65 | 690 | 100 | |
DMV 25.7 Cu | S32550 | 1.4507 | 0.03 | 25.0 | 7.0 | 3.5 | 1.5 | N 0.22 2) | 7.8 | 0.28 | 550 | 80 | 760 | 110 |
DMV 25.7 N | S32760 | 1.4501 | 0.03 | 25.0 | 7.0 | 4.0 | 0.5 | N 0.25; W 0.5 2) | 7.8 | 0.28 | 550 | 80 | 750 | 109 |
DMV 25.7 NS | S32750 | 1.4410 | 0.03 | 25.5 | 7.0 | 4.0 | 0.25 | N 0.3 2) | 7.8 | 0.28 | 550 | 80 | 750 | 109 |
1) All figures in weight percentage. In case of order, the limits of the order specification will apply.
2) Min PRE value is controlled.