供应Cr30Ni70, Cr20Ni80镍铬合金光棒
十七 高电阻电热合金丝材/镍铬合金:Cr20Ni35、镍铬合金钢OCr25A15、高电阻电热合金Ocr21A16Nb、Ocr27A17Mo2、高电阻电热合金带Cr30Ni70, Cr20Ni80镍铬合金光棒, CR15NI60 CR20NI35镍铬合金板材 CR20NI14SI2高电阻电热合金板 Cr20Ni40,Cr15Ni60,30W4Cr2Va, 气阀钢0CR27AL7MO2,0CR21气阀钢AL6NB,21-12N, 气阀钢21-4NWNB,23-8N,X85CRMOV18-2,X60CRMNMOVBNB21-10气阀钢