Carbon Steel Pipe

Carbon steel Chemical composition

Steel Grade Standard Number Type Chemical composition Other
C Si S P Mn Cr Ni Mo Other ób ós δ5 HB
20 GB/T699 Bar 0.17-0.23 0.17-0.37 0.035 0.035 0.35-0.65 0.25 0.3 Cu:0.25 410 245 25 156 ψ%:55
20 GB3087 0.17-0.23 0.17-0.37 0.035 0.035 0.35-0.65 0.25 0.3 Cu:0.25 410-550 245 20
20 GB/T8163 Pipe 0.17-0.23 0.17-0.37 0.035 0.035 0.35-0.65 0.25 0.3 Cu:0.25 410-550 245 20
20 GB9948 Pipe 0.17-0.24 0.17-0.37 0.035 0.035 0.35-0.65 0.25 0.25 Cu:0.25 410-550 245 21 Akv J:39
20 GB711 Plate 0.17-0.24 0.17-0.37 0.04 0.035 0.35-0.65 0.25 0.25 Cu:0.25 410 245 28
20G GB5310 Pipe 0.17-0.24 0.17-0.37 0.03 0.03 0.35-0.65 0.25 0.25 0.15 Cu:0.2;V:0.08 410-550 245 24 Akv J:35
20G GB6479 Pipe 0.17-0.24 0.17-0.37 0.035 0.035 0.35-0.65 410-550 245 24 ak J/cm2:49
20g GB713 Plate 0.2 0.15-0.3 0.035 0.035 0.5-0.9 400-530 245 26 Akv J:27;aku J/cm2:29
20R GB6654 Plate 0.2 0.15-0.3 0.03 0.035 0.4-0.9 400-520 245 25 Akv J:31
Q235A GB3724 Plate 0.14-0.22 0.3 0.05 0.045 0.3-0.65 375-500 235 26
Q235B GB3724 Plate 0.12-0.2 0.3 0.045 0.045 0.3-0.7 375-500 235 26 Akv J:27
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