AC冷轧钢带,SUP13弹簧钢,SUP13弹簧钢,SUP13弹簧钢带,SUP13弹簧钢板,SUP13弹簧钢棒,SUP13冷轧钢板,SUP13弹簧钢价格
标美SUP13弹簧钢化学成分:
碳 C :0.47~0.55 硅 Si:0.15~0.35 锰 Mn:0.65~0.95 硫 S :≤0.030磷 P :≤0.030 铬 Cr:0.80-1.10钒 V : 0.15-0.25
标美SUP13弹簧钢力学性能:
抗拉强度 σb (MPa):≥1275
屈服强度 σs (MPa):≥1130
伸长率 δ10 (%):≥10
断面收缩率 ψ (%):≥40
硬度 :热轧,≤321HB;冷拉 热处理,≤321HB
标美弹簧钢:
日本弹簧钢:SUP6 SUP7 SUP13 SUP13A SUP13 SUP11A SUP12 SUP13 SUJ2 SUJ3 SUJ4 SUJ5 SUP13-CSP SK55-CSP SK85-CSP S70C-CSP S65C-CSP S60C-CSP S55C-CSP S50C-CSP SK7 SK5 SK9
韩国弹簧钢:SPS1 SPS3 SPS4 SPS5 SPS5A SPS6 SPS7 SPS8 SPS9 STB1 STB2 STB3 STB4 STB5 SH590P SH590S
瑞典弹簧钢:1770 1774 1778 1912 1914 1922 1926 1940 1957 1973
英国弹簧钢:38Si7 45SiCrV6-2 46Si7 46SiCrMo6 50SiCrMo6 51CrV4 52CrMoV4 52SiCrNi5 54SiCr6 54SiCrV6 55Cr3 56Si7 56SiCr7 60Cr3 60CrMo3-1 60CrMo3-2 60CrMo3-3 60SiCrV7 61SiCr7 251A85 251A60 251H60 525A58 525A60 525H60 525A61 658A57 658A57 704A60 705A60 705H60 735A51 735H51 735A54 805H60 925A60 251A85 251A60 251H60 525A58 N525A60 535A99 805A20 832H13