种类铝板材材质齐全产地河南规格多样日本JIS标准结构钢牌号:SS330SS400SS490SS540SCM4400A***400B***400C***490A***490***490C***490YA***490YB***570SPV315SPV355SPV410SPV410SPV450SPV490SPV235SG255SG295SG325SG365SGV410SGV450SGV480SGV42SGV46SGV49SLA235ASLA235BSLA325BSLA325BSLA365SLA410SL2N255SL3N255日本JIS标准机械结构用钢牌号:S10CS12CS15CS17CS20CS22CS25CS28CS30CS33CS35CS38CS40CS43CS45CS48CS50CS53CS58CS09CKS15CKS20CK日本JIS标准淬透性结构用钢牌号:***n420H***n433H***n438H***n4443HSCr415HSCr420HSCr435HSCr440HSCM415HSCM418HSCM420HSCM435HSCM440HSCM822HSN***15H]、NC631HSNC220HSN***20H日本JIS标准易切削钢牌号:SUM11SUN12SUM21SUM22SUM22LSUM23SUM23LSUM24LSUM25SUM31SUM31LSUM41SUM42SUM43日本JIS标准轴承钢牌号:SUP10SUP11ASUP12SUP13SUJ1SUJ2SUJ3SUJ4SUJ5)