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Third-and domestic and foreign steel mills to establish long-term friendly cooperative partnership: Japan's Hitachi Metals' Hitachi H1TACH1 special steel, Daido Steel Great DA1DO Special Steel, Japan SUS series stainless steel, Sweden UDDEHOLM one-hundred ASSAB tool steel, the German Sa Site special steel, Austria Bluff BOHLER tool steel, the United States, Fen cola FKL special steel and ALCOA" Aluminum, the Japanese high-cycle KOSHUHI special Steel, the German Sa Site special steel, special steel Austria Bluff and other foreign tool steel. Baoshan Iron and Steel Co., Ltd. and China simultaneously, Fushun Fushun Special Steel Co., Ltd., Changcheng Special Steel Co., Ltd. Wuyang Iron and Steel in the long-term cooperation.
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 日本S55C
日本S55C中碳钢 
  供应S55C日本优质中碳模具钢 
    标准:JIS
    欢迎新老客户来人来电传真咨询订购!本公司定竭诚为您服务!
    跟单负责人:林木先生 手机号码:13433000657
    座机:0769-33260083 商务 QQ:1737415153
    传真:0769-85030218
    ●特性及适用范围:
    性能及应用:高强度中碳调质钢,具有一定的塑性和韧性,较高的强度,可加工性良好,采用调质处理可获得很好的综合力学性能,但该钢的焊接性能较低,仍可焊接,但焊前应将焊件进行预热,且焊后应进行退货处理,以除焊接应力;用作要求较高的强度和耐磨性或弹性、动载荷及冲击负荷不大的零件,如齿轮、轮缘、扁弹簧、曲轴等
    ●化学成份:
    碳C:0.52~0.60¨
    硅Si:0.17~0.37
    锰Mn:0.50~0.80
    硫S:≤0.035
    磷P:≤0.035
    铬Cr:≤0.25
    镍Ni:≤0.25
    铜Cu:≤0.25
    ●力学性能:
    抗拉强度σb (MPa):≥645(66)
    屈服强度σs (MPa):≥380(39)
    伸长率δ5 (%):≥13
    断面收缩率ψ (%):≥35
    硬度:未热处理,≤255HB;退火钢,≤217HB
    试样尺寸:试样尺寸为25mm
    ●热处理规范及金相组织:
    热处理规范:正火,820℃;淬火,820℃;回火,600℃。
    金相组织:索氏体。
    ●交货状态:以不热处理或热处理(退火、正火或高温回火)状态交货。要求热处理状态交货的应在合同中注明,未注明者按不热处理交货。
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