冷鐓鋼 價格ML25 ML30鋼板 　　ML25 B 添加義項 ? 牌號:ML25 錳 Mn:0.30~0.60(答應偏差:±0.02) 硫 S :≤0.035 磷 P :≤0.035 鉻 Cr:答應殘餘含量≤0.020 鎳 Ni:答應殘餘含量≤0.020 銅 Cu:答應殘餘含量≤0.020 基本資訊 外文名稱 ML25 標準: GB/T 6478-1986 矽 Si :≤0.20 碳 C : 0.22~0.30(答應偏差:±0.01) 牌號:ML25 ●化學成份: 錳 Mn:0.30~0.60(答應偏差:±0.02) 硫 S :≤0.035 磷 P :≤0.035 鉻 Cr:答應殘餘含量≤0.020 鎳 Ni:答應殘餘含量≤0.020 銅 Cu:答應殘餘含量≤0.020 ●力學性能: 抗拉強度 σb (MPa):≥451(46) 屈服強度 σs (MPa):≥275(28) 伸長率 δ5 (%):≥23 斷面收縮率 ψ (%):≥50 硬度 :(熱軋)≤170HB,壓痕直徑≥4.6mm ●熱處理規範及金相組織: 熱處理規範:加熱到較AC3臨界點高30~50℃的溫度,保溫時間不少於30min,空冷。 ●交貨狀態:以熱軋狀態交貨。經雙方協議也可以經退火狀態交貨。 　　冷鐓鋼：ML04Al ML08Al Ml10Al ML15Al ML15 ML20 ML20Al ML18Mn ML22Mn ML20Cr ML25 ML30 ML35 ML40 ML45 ML15Mn ML25Mn ML30Mn ML35Mn ML37Cr ML40Cr ML30CrMo ML35CrMo ML42CrMo ML20B ML28B ML35B ML15MnB ML20MnB ML35MnB ML37CrB ML20MnTiB ML15MnVB ML20MnVB 　　U40048 U40088 U40108 U40158 U40152 U40208 U40202 U41188 W41228 A20204 U40252 U40302 U40352 U40402 U40452 L20158 U41252 U41302 U41352 A20374 A20404 A30304 A30354 A30424 A70204 A70284 A70354 A71154 A71204 A71354 A20378 A74204 A73154 A73204 　　 　　冷鐓鋼絲：ML10 ML15 ML18 ML20 ML25 ML30 ML35 ML40 ML45 ML20MnA ML30CrMnSiA ML16CrSiNi ML20CrMoA ML30CrMoA ML35CrMoA ML42CrMoA ML38CrA ML40CrNiMoA U10102 U40052 U4012 U40202 U40252 U40302 U40352 U40402 U40452 A00204 A24304 A45164 A30204 A30314 A30354 A30424 A20384 A50404 　　 　　冷墩鋼：SWRCH6R SWRCH8R SWRCH10R SWRCH12R SWRCH15R SWRCH17R SWRCH6A SWRCH8A SWRCH10A SWRCH12A SWRCH15A SWRCH16A SWRCH18A SWRCH19A SWRCH20A SWRCH22A SWRCH25A SWRCH10K SWRCH12K SWRCH15K SWRCH16K SWRCH17K SWRCH18K SWRCH20K SWRCH22K SWRCH24K SWRCH25K SWRCH27K SWRCH30K SWRCH33K SWRCH35K SWRCH38K SWRCH40K SWRCH41K SWRCH43K SWRCH45K SWRCH48K SWRCH50K