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    SLD8bwin必赢手机登录入口有很强的韧性

    来源:/ 日期:2021-11-05 发布人:admin


    特殊钢SLD8是针对SKD11进行改良的新型bwin必赢手机登录入口,其技术规范载于日本工业标准(JIS)G4404。它克服了SKD11高温回火硬度和韧性不足的弱点,将在通用及精密模具领域取代SKD11的高强韧性通用bwin必赢手机登录入口。其韧性是SKD11的2倍,SLD8的韧性在bwin必赢手机登录入口中较为突出,用SLD8制造的工具很少出现裂纹和开裂,大大提高了使用寿命。
    Special steel sld8 is a new type of cold working die steel improved for SKD11. Its technical specifications are contained in Japanese industrial standard (JIS) g4404. It overcomes the weakness of SKD11's lack of high temperature tempering hardness and toughness, and will fully replace SKD11's high strength and toughness general cold working die steel in the field of general and precision dies. Its toughness is twice that of SKD11. The toughness of sld8 is more prominent in cold working die steel. There are few cracks and cracks in the tools made of sld8, which greatly improves the service life.
    七和SLD8模具钢化学成分:
    VII. Chemical composition of sld8 die steel:
    碳 C :1.00%|硅 Si:0.90%|锰 Mn:0.35%|
    C: 1.00% | Si: 0.90% | Mn: 0.35%|
    硫 S :≤0.030%|磷 P :≤0.030%|铬 Cr:8.00%|
    Sulfur s: ≤ 0.030% | phosphorus P: ≤ 0.030% | chromium Cr: 8.00%|
    钼 Mo:2.00%|钒 V :0.25%
    Mo: 2.00% | V: 0.25%
    bwin必赢手机登录入口
    七和SLD8模具钢实用特性:
    VII. Practical characteristics of sld8 die steel:
    (1)被切削性,被研磨性良好。被切削性,被研磨性皆比SKD11,所以加工工具寿命较长,加工工时数较省。
    (1) Good machinability and grindability. The machinability and grindability are better than SKD11, so the service life of machining tools is longer and the number of machining hours is less.
    (2)在热处理上之优点,淬火硬化能比SKD11高,所以可改善真空热处理时硬度不足之缺陷。
    (2) The advantage of heat treatment is that the quenching hardening energy is higher than SKD11, so the defect of insufficient hardness during vacuum heat treatment can be improved.
    (3)在线切割加工上之优点,藉高温回火可减轻残留应力及残留沃斯田铁,能防止线切割加工产生龟裂、变形之困扰。
    (3) The advantages of on-line cutting can reduce the residual stress and eliminate the residual wastian iron by high-temperature tempering, and can prevent the trouble of cracking and deformation in wire cutting.
    (4)在表面硬化处理上之优点,表面硬化处理后表面硬度比SKD11高,因此可提高模具性能。
    (4) The advantage of surface hardening treatment is that the surface hardness after surface hardening treatment is higher than SKD11, so the die performance can be improved.
    (5)在修补焊接作业上之优点,由于预热及后热温度均比SKD11低,所以修补焊接作业较简便。特点:通用bwin必赢手机登录入口,高硬度,高韧性。
    (5) The advantage of repair welding operation is that the preheating and post heating temperatures are lower than SKD11, so the repair welding operation is simpler. Features: general cold working die steel, high hardness and high toughness.
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