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GBT Q345

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(％) Mn(％) P(％) S(％) V(%) Nb(%) Al(%) Ti(%)
0.18 0.55 0.025 0.025 0.02-0.15 0.015-0.060 0.015 0.02-0.20

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