Duplex stainless steels are extremely corrosion resistant, work hardenable alloys. Duplex stainless steel plate contains relatively high levels of chromium (between 18% and 28%) and low to moderate amounts of nickel (between 1.5% and 8%).
Steel No. | Standard No. | Type | Chemical composition | Other | ||||||||||||
C | Si | S | P | Mn | Cr | Ni | Mo | Other | ób | ós | δ5 | HB | ||||
0Cr26Ni5Mo2 | GB1220 | Bar | 0.08 | 1 | 0.03 | 0.035 | 1.5 | 23-28 | 3-6 | 1-3 | 590 | 390 | 18 | 277 | ψ%:40 | |
0Cr26Ni5Mo2 | GB4237 | Plate | 0.08 | 1 | 0.03 | 0.035 | 1.5 | 23-28 | 3-6 | 1-3 | 590 | 390 | 18 | 277 | ||
0Cr26Ni5Mo2 | GB/T14976 | Pipe | 0.08 | 1 | 0.03 | 0.035 | 1.5 | 23-28 | 3-6 | 1-3 | 590 | 390 | 18 | |||
00Cr18Ni5Mo3Si2 | GB1220 | Bar | 0.03 | 1.3-2 | 0.03 | 0.035 | 1.2-1.6 | 18-19.5 | 4.5-5.5 | 2.5-3 | 590 | 390 | 20 | ψ%:40 | ||
00Cr18Ni5Mo3Si2 | GB4237 | Plate | 0.03 | 1.3-2 | 0.03 | 0.03 | 1.2-1.6 | 18-19.5 | 4.5-5.5 | 2.5-3 | N:0.1 | 590 | 390 | 20 | ||
HDR | Q/SJB11-99 | Pipe | 0.03 | 1 | 0.03 | 0.035 | 2 | 23-26 | 4.5-7.5 | 2-3 | 650 | 450 | 27 |