ӷعܲôΪԭϣڳӹɡӷܿɷΪֱ캸ܺ֡ں;ͬζԺܱ
ѹöпӷܣΪGB/T3091-2008Q235A,Q235BQ345BȡҪˮúͺȡůˮ;һϵѹ塣ѹöпӷܣΪGB/T3092-2008ͬϡҪˮúͺȡůˮһϵѹ壬ȶппա
ͺӷܣGB/T14291-2000Q235AB.Ҫڿɽѹ硢ˮ˹ֱ캸ӷܡѹôֱ纸ܣΪGB/T14980-1994Q235ABҪˮˮúůȵѹ塣
еṹòֺӷܣΪGB/T12770-19910Cr131Cr1700Cr19Ni111Cr18Ni90Cr18Ni11NbȡҪڻегҾߡݺͷװμеṹ
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