ER 2209yog tsim los vuam duplex stainless hlau xws li 2205 (UNS Number N31803).
ER 2553yog siv feem ntau los vuam cov hlau tsis xeb duplex uas muaj kwv yees li 25% chromium.
ER 2594yog ib txoj hlau vuam superduplex. Tus lej Pitting Resistance Equivalent Number (PREN) yog tsawg kawg yog 40, yog li ntawd tso cai rau cov hlau vuam hu ua hlau tsis xeb superduplex.
ER2209 ER2553 ER2594 Hlau vuamCov Tshuaj Lom Zem
| Qib | C | Mn | Si | P | S | Cr | Ni |
| ER2209 | 0.03 siab tshaj | 0.5 – 2.0 | siab tshaj 0.9 | 0.03 siab tshaj | 0.03 siab tshaj | 21.5 – 23.5 | 7.5 – 9.5 |
| ER2553 | siab tshaj 0.04 | 1.5 | 1.0 | siab tshaj 0.04 | 0.03 siab tshaj | 24.0 – 27.0 | 4.5 – 6.5 |
| ER2594 | 0.03 siab tshaj | 2.5 | 1.0 | 0.03 siab tshaj | 0.02 siab tshaj | 24.0 – 27.0 | 8.0 – 10.5 |
Lub sijhawm tshaj tawm: Lub Xya Hli-31-2023