销售***0769-85308212手机15899932581***2511189929刘鹏翔日本结构用钢棒材：SS330SS400SS490SS540***400A***400B***400C***490A***490B***490C***490YA***490YB***520YB***520YC***570SGD400SGD41-DSGD71-DSGD700-DSGD400-DSGD600SGD61-DSGD600-DSGD300SGD31-DSGD300-DSGD500SGD51-DSGD500-DSGD700耐候钢：***A400AW***A400BW***A400CW***A400AP***A400BP***A400CP***A490AW***A490BW***A490CW***A490CW***A490AP***A490BP***A490CP***A570W***A570PSPA-HSPA-CSE235SR295SD295ASD295BSD345SD390SD490压力容器用钢：SPV235SPV315SPV355SPV410SPV450SPV490SG255SG295SG325SG365碳素钢：SGV410SGV450SGV480SLA235SLA235BSLA325ASLA325BSLA365SLA410SL2N255SL3N255SL3N275SL3N440SL5N590SL9N520SL9N590S10CS12CS15CS17CS20CS22CS25CS28CS30CS33CS35CS38CS40CS43CS45CS48CS50CS55CS58CS09CKS15CKS20CKSNC631化学成份：碳C：0.27～0.35硅Si：0.15～0.35锰Mn：0.35～0.65硫S：允许残余含量≤0.030磷P：允许残余含量≤0.030铬Cr：0.60～1.00镍Ni：2.50～3.00铜Cu：允许残余含量≤0.030力学性能：抗拉强度σb(MPa)：≥980(100)屈服强度σs(MPa)：≥785(80)伸长率δ5(%)：≥9断面收缩率ψ(%)：≥45冲击功Akv(J)：≥63冲击韧性值αkv(J/cm2)：≥78(8)硬度：≤241HB试样尺寸：试样毛坯尺寸为25mm热处理规范及金相***：热处理规范：淬火820℃,油冷;回火500℃,水冷、油冷。●交货状态：以热处理（正火、退火或高温回火）或不热处理状态交货，交货状态应在合同中注明。)