--------------------此信息由本公司提供：材质，性能，化学成分，质量，规格，价格，材质对照。参数--------------------弹簧钢和轴承钢SPS1SPS3SPS4SPS5SPS5ASPS6SPS7SPS8SPS9高碳铬轴承钢STB1STB2STB3STB4STB5铁塔用高强度钢SH590PSH590SSPPV235SPPV315SPPV355SPPV450SPPV490S***45S***95SEV345SLA1235SLA1325SLA1360SCMV1SCMV2SCMV3SCMV4SCMV5SCMV6SBB410SBB450SBB450MSBB480SBB480MHRS1HRS2HRS3HRS4STHA12STHA13STHA20STHA22STHA23STHA24STHA25STHA26机械结构用碳素钢管STKM11ASTKM12ASTKM12BSTKM12CSTKM13ASTKM13BSTKM13CSTKM14ASTKM14BSTKM14CSTKM15ASTKM15CSTKM16ASTKM16CSTKM17ASTKM17CSTKM18ASTKM18BSTKM18CSTKM19ASTKM19CSTKM20A)