Duplex stainless steel Chemical composition

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
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